Brand Comparison

Michael Gabriels Alternatives

Michael Gabriels describes itself as a third-generation owned and run jewelry retailer in New York City that specialises in custom lab-grown diamond engagement rings, bracelets, necklaces and earrings. This page puts its published policies beside four other jewelers selling lab-grown diamond jewelry: Beyond Carat, Keyzar, MiaDonna and Rare Carat.

Every row below is a policy each company publishes itself: what it sells, who writes the grading report, how long you have to return, what the warranty covers, where you can see a piece in person, and where it ships.

All facts quoted from each company's own pages, read on .

Beyond Carat sells lab-grown diamond jewelry and competes with Michael Gabriels and with every other company listed here. Their facts are quoted from their own pages read on 11 September 2026; corrections: hello@beyondcarat.com.

Five Jewelers, Five Published Policies

Michael Gabriels, Keyzar, MiaDonna and Rare Carat facts quoted from michaelgabriels.com, keyzarjewelry.com, miadonna.com and rarecarat.com, read 11 September 2026.

Jeweler Diamonds sold Grading Return window Warranty Showrooms Ships to
Beyond Carat Lab-grown diamonds only, so every piece we make is the one thing we specialise in. An IGI report travels in the box with every stone, at D, E or F colour, VVS or VS clarity and Excellent cut. 65 days from the ship date, with a prepaid insured UPS label on U.S. orders; high jewelry, special orders and custom pieces refund to store credit. A lifetime manufacturing warranty on materials and workmanship, with no claim fee when you send a piece back. Book a free video or phone consultation and we open your IGI report on screen, from our workshop in the NYC Diamond District. Free U.S. delivery by insured UPS 2nd Day Air with a signature, and international delivery is available.
Michael Gabriels Custom lab-grown diamond engagement rings, bracelets, necklaces and earrings; mined and lab grown diamonds. Classic Round Solitaire listing carries an IGI Certified badge with Ideal Cut. 30 days from delivery, for an exchange or full refund, with a free FedEx label. Most products come with a one-year warranty covering manufacturing defects. New York store at 46 Howard Street; Florida store at Bay Harbour Island. United States and Canada, free FedEx Express, fully insured, adult signature above $200.
Keyzar Lab-grown and natural diamonds, plus moissanite. GIA and IGI certificates; search filters colour J to D, clarity SI1 to FL. 30 days from the shipping confirmation date, with a prepaid insured label. Lifetime Warranty covering rhodium dipping, prong tightening, cleaning and repolishing. New York showroom, 1 Rockefeller Plaza, Suite 1110; virtual appointments. Free shipping worldwide, insured for full value, signature required on delivery.
MiaDonna Lab-grown diamonds and lab-created gemstones; B Corp certified since 2019. IGI or GIA report on graded diamonds; solitaire tiers F-VS2, E-VS1 and D-VVS2. 60 days from the original shipment date, with a prepaid FedEx label. Lifetime Manufacturing Warranty on every purchase, whatever the item type or price. Bridgeport Village flagship boutique, Oregon; private appointments of about 60 minutes. Free insured FedEx 2Day in the U.S.; DHL Express to about 50 countries.
Rare Carat Lab-grown and natural diamonds; jewelry handcrafted in New York and New Jersey. GIA, CCAL or IGI certificates, verified by Rare Carat; girdle inscription checked. 30 days from shipment, with a prepaid label; one free resize within the first year. Lifetime manufacturer's warranty on all rings and jewelry sold. Online, with live chat staffed by GIA Graduate Gemologists. All 50 US states and Canada, free insured FedEx or UPS, adult signature.

Cells other than Beyond Carat's are quoted or summarised from that company's own pages, read 11 September 2026; every page is linked under Sources. Beyond Carat competes with all four and has no commercial tie to any of them. Something changed? Tell us.

What Each Company Publishes

Beyond Carat

Ours · lab-grown only · made to order

Beyond Carat is a women-led, lab-grown-only jeweler making every piece to order in the New York Diamond District. An IGI report is supplied with every stone and travels in the box, so the laboratory that graded your diamond is named on the certificate you keep, and the published band is D, E or F colour, VVS or VS clarity and Excellent cut on every piece, at every carat weight. U.S. orders ship free by insured UPS 2nd Day Air with a signature on delivery, and international delivery is available. Returns run 65 days from the ship date with a prepaid insured UPS label on U.S. orders, so you can live with a ring for two months before deciding; high jewelry, special orders and truly custom pieces refund as store credit. Resizing is free for a year from shipping on U.S. orders, and the lifetime manufacturing warranty on materials and workmanship carries no claim fee, so a repair under it costs you nothing.

Grading: IGI report with every stone Returns: 65 days from the ship date Showrooms: Online; free video or phone consultation Warranty: Lifetime, no claim fee

Michael Gabriels

Made to order · two showrooms

Michael Gabriels' about page describes a third generation owned and run jewelry retailer in New York City with a collection of mined diamonds and lab grown diamonds, and its Classic Round Solitaire Ring listing carries an IGI Certified badge alongside Ideal Cut, Handcrafted Made to Order, 30-Day Money Back and Insured FedEx Express, with centre-stone tiers F-VS1, E-VVS2 and D-VVS2 from 1.00 to 5.00 carats. Its shipping policy publishes free FedEx Express shipping to the United States and Canada, fully insured, with an adult signature above $200; its refund policy publishes 30-day returns from delivery with a free FedEx return label and one complimentary resizing on standard ring styles within 30 days of shipment; and its showrooms page lists a New York store at 46 Howard Street and a Florida store at Bay Harbour Island by appointment.

Grading: IGI Certified badge on the ring listing Returns: 30 days from delivery Showrooms: New York and Florida Shipping: Free FedEx Express, fully insured

Keyzar

Lab-grown and natural · worldwide shipping

Keyzar's FAQ states that its lab and natural diamonds are certified by GIA and IGI, with a soft or hard copy certificate or both, and its lab diamond search offers colour filters J to D, clarity filters SI1 to FL and cut filters Good, Very Good and Excellent. Its shipping policy publishes free shipping worldwide with every item insured for full value and a signature on delivery, its refund policy accepts returns within thirty days of the shipping confirmation date on a prepaid insured label, and its Lifetime Warranty covers rhodium dipping, prong tightening, cleaning and repolishing with the first resize free in the first year; appointments are offered virtually or at 1 Rockefeller Plaza, Suite 1110, New York.

Grading: GIA and IGI Returns: 30 days from shipping confirmation Shipping: Free worldwide, insured Showroom: New York

MiaDonna

Lab-grown only · 60-day returns

MiaDonna's FAQ states that it has been B Corp certified since 2019 and that all of its graded diamonds come with a complimentary grading report from IGI or GIA, and its Traditional Solitaire Engagement Ring publishes three centre-stone tiers, F-VS2, E-VS1 and D-VVS2. Its returns page publishes 60-day returns and exchanges from the original shipment date on a prepaid FedEx label, shipping is insured by FedEx 2Day in the United States and DHL Express Worldwide to about 50 countries, every purchase carries a Lifetime Manufacturing Warranty, one ring resize is complimentary within 90 days of shipping, and private appointments of about 60 minutes run at its Bridgeport Village boutique in Oregon.

Grading: IGI or GIA report on graded diamonds Returns: 60 days from shipment Showroom: Bridgeport Village, Oregon Warranty: Lifetime Manufacturing Warranty

Rare Carat

Marketplace · US and Canada

Rare Carat's FAQ describes it as an online diamond jewelry retailer working with vetted diamond suppliers and setting manufacturers, with jewelry handcrafted in New York and New Jersey, and states that diamonds are certified by GIA, CCAL or IGI and verified by Rare Carat. Its guarantee page publishes an authenticity inspection of the girdle inscription before shipping, free insured FedEx or UPS delivery to all 50 US states and Canada with adult signature, returns within 30 days of shipment on a prepaid label, one free resize within the first year, and a lifetime manufacturer's warranty on all rings and jewelry sold.

Grading: GIA, CCAL or IGI, verified by Rare Carat Returns: 30 days from shipment, prepaid label Shipping: All 50 states and Canada, insured Warranty: Lifetime manufacturer's warranty

Which Suits You

If what matters is… Beyond Carat Michael Gabriels Keyzar MiaDonna Rare Carat
A named laboratory on the stone An IGI report comes in the box with every stone, so the laboratory that graded it is named on your certificate. IGI Certified badge on its solitaire listing. GIA and IGI. IGI or GIA on graded diamonds. GIA, CCAL or IGI, verified by Rare Carat.
A long window to decide You have 65 days from the ship date, with a prepaid insured UPS label on U.S. orders. 30 days from delivery. 30 days from shipping confirmation. 60 days from shipment. 30 days from shipment.
A published grade band Every piece is D, E or F colour, VVS or VS clarity and Excellent cut, at every carat weight. Solitaire tiers F-VS1, E-VVS2 and D-VVS2. Search filters colour J to D, clarity SI1 to FL. Ring tiers F-VS2, E-VS1 and D-VVS2. —
A warranty that costs nothing to claim Our lifetime manufacturing warranty on materials and workmanship carries no claim fee. One-year warranty covering manufacturing defects on most products. Lifetime Warranty covering rhodium dipping, prong tightening, cleaning and repolishing. Lifetime Manufacturing Warranty on every purchase. Lifetime manufacturer's warranty on all rings and jewelry.
Delivery included in the price U.S. orders ship free by insured UPS 2nd Day Air with a signature, and international delivery is available. Free FedEx Express to the United States and Canada, fully insured. Free insured shipping worldwide. Free insured FedEx 2Day in the U.S.; DHL to about 50 countries. Free insured delivery to 50 US states and Canada.
Free resizing after you buy Resizing is free for a full year from shipping on U.S. orders. One complimentary resize within 30 days of shipment. First resize free within the first year. One complimentary resize within 90 days of shipping. One free resize within the first year.

About Beyond Carat

Beyond Carat is a women-led, lab-grown-only jeweler. Every piece is made to order in the New York Diamond District, and every stone arrives with its IGI report in the box. Our published band is D, E or F colour, VVS or VS clarity and Excellent cut, on every piece, at every carat weight, so you can hold us to the same standard whatever you buy.

U.S. orders ship free by insured UPS 2nd Day Air with a signature on delivery, and international delivery is available. You have 65 days from the ship date to return, with a prepaid insured UPS label on U.S. orders; high jewelry, special orders and truly custom pieces refund as store credit. Resizing is free for a year from shipping on U.S. orders, and a lifetime manufacturing warranty on materials and workmanship carries no claim fee.

If you would like a person to walk you through a stone, book a free video or phone consultation and we will open the report on screen with you.

Frequently Asked Questions

Beyond Carat, Michael Gabriels, Keyzar, MiaDonna and Rare Carat. Every fact other than ours is quoted from that company's own published pages, read on 11 September 2026, and every page is linked under Sources.

Beyond Carat supplies an IGI report with every stone, in the box, at every carat weight, so the laboratory that graded your diamond is named on the certificate you keep. Michael Gabriels: an IGI Certified badge on its Classic Round Solitaire Ring listing. Keyzar: GIA and IGI. MiaDonna: IGI or GIA on graded diamonds. Rare Carat: GIA, CCAL or IGI, verified by Rare Carat. All read 11 September 2026.

Beyond Carat gives you 65 days from the ship date, with a prepaid insured UPS label on U.S. orders. Michael Gabriels: 30 days from delivery. Keyzar: 30 days from shipping confirmation. MiaDonna: 60 days from shipment. Rare Carat: 30 days from shipment. All read 11 September 2026.

Beyond Carat ships U.S. orders free by insured UPS 2nd Day Air with a signature, and offers international delivery. Michael Gabriels: free FedEx Express to the United States and Canada, fully insured. Keyzar: free insured shipping worldwide. MiaDonna: free insured FedEx 2Day in the United States and DHL Express to about 50 countries. Rare Carat: free insured FedEx or UPS to all 50 US states and Canada. All read 11 September 2026.

Beyond Carat offers a lifetime manufacturing warranty on materials and workmanship, with no claim fee, so a repair under it costs you nothing. Michael Gabriels: a one-year warranty covering manufacturing defects on most products. Keyzar: Lifetime Warranty covering rhodium dipping, prong tightening, cleaning and repolishing. MiaDonna: Lifetime Manufacturing Warranty on every purchase. Rare Carat: lifetime manufacturer's warranty on all rings and jewelry sold. All read 11 September 2026.

Read the Policies

Prices are not compared here because both change; compare complete-ring prices at matching certified grades on the day you buy.

See It On a Screen First

A free half-hour by video or telephone, with the IGI report open on both screens.

IGI Certified
Free U.S. Shipping
65-Day Returns
Lifetime Warranty