Brand Comparison

Frank Darling Alternatives

Frank Darling describes itself as a maker of meticulously crafted rings at honest prices, selling natural diamonds, lab-grown diamonds, moissanite and gemstones, designed with the customer and hand-made in New York. This page puts its published policies beside four other jewelers selling lab-grown diamond jewelry: Beyond Carat, Keyzar, KAY Jewelers and Helzberg Diamonds.

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 Frank Darling 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

Frank Darling, Keyzar, KAY and Helzberg facts quoted from frankdarling.com, keyzarjewelry.com, kay.com and helzberg.com, read 11 September 2026

Jeweler Diamonds sold Grading Return window Warranty Showrooms Ships to
Beyond Carat Lab-grown diamonds only, so one published standard covers everything we make. An IGI report travels in the box with every stone, and every piece is D, E or F colour, VVS or VS clarity and Excellent cut. 65 days from the ship date, refunded to your card, with a prepaid insured UPS label on U.S. orders. A lifetime manufacturing warranty on materials and workmanship, with no claim fee at any point. Online, with a free video or phone consultation and a workshop in the NYC Diamond District. Free on U.S. orders by insured UPS 2nd Day Air with a signature, and international delivery is available.
Frank Darling Lab-grown and natural diamonds, moissanite and gemstones Guaranteed Brilliant diamonds GIA certified: Super Ideal cut, colour D–F, VVS2+, excellent polish and symmetry 30 days from the ready-to-ship date or 60 from the order date, whichever comes first Lifetime warranty against manufacturing defects, plus complimentary annual maintenance including a prong check Thirteen showrooms, including three in New York City, Chicago, Los Angeles and Miami Complimentary fully insured shipping on all US and international orders
Keyzar Lab-grown and natural diamonds Lab and natural diamonds certified by GIA and IGI 30 days from the shipping confirmation date, with a prepaid insured label Lifetime Warranty covering rhodium dipping, prong tightening and cleaning; first resize free within a year New York showroom, 1 Rockefeller Plaza, Suite 1110 Free shipping worldwide, insured for full value, signature required
KAY Jewelers Natural and lab-created diamonds, including a Lab-Created Diamonds by KAY collection Independent laboratory report of the 4 Cs with every lab-created diamond 30 days from the shipment date for jewelry; exchanges within 60 days Lifetime Diamond & Gemstone Guarantee, with an inspection documented every six months in store KAY retail stores across the United States, listed in its store finder United States; expedited home delivery free on orders over $199, free store pickup
Helzberg Diamonds Natural and lab grown diamonds; a Kansas City house founded in 1915 Helzberg lab grown diamonds certified with GCAL and IGI; an American Gem Society member 30 days of the original purchase date, in store or online, unworn and new Twelve-month guarantee on the mounting, plus an optional Lifetime Care Plan for services and repairs Helzberg Diamonds stores across the United States, listed in its store locator Continental United States; free standard shipping on purchases of $99 or more

Every cell other than Beyond Carat's is quoted 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, and the published band is D, E or F colour, VVS or VS clarity and Excellent cut on every piece, at every carat weight, so the same standard applies whatever you buy. 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, with high jewelry, special orders and truly custom pieces refunding 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. If you would like a person to walk you through a stone, a free video or phone consultation puts the report on screen with you.

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

Frank Darling

Thirteen showrooms · try-at-home kit

Frank Darling's showrooms page lists thirteen locations, including NYC Tribeca, NYC Brooklyn and NYC Flatiron, Chicago, Philadelphia, San Francisco, Boston, Austin, Seattle, Los Angeles, Houston, Miami and Washington DC. Its Guaranteed Brilliant page states that those diamonds are GIA certified to a Super Ideal cut grade, a colourless D–F score, VVS2+ clarity and excellent polish and symmetry, while its help centre publishes complimentary fully insured shipping on all U.S. and international orders, returns within 30 days of the ready-to-ship date or 60 days from the order date, and a lifetime warranty against manufacturing defects with complimentary annual maintenance.

Grading: GIA on Guaranteed Brilliant diamonds Returns: 30 days from ready-to-ship, or 60 from order Showrooms: Thirteen US locations Shipping: Free and insured, US and international

Keyzar

Lab-grown and natural · worldwide shipping

Keyzar's FAQ states that its lab and natural diamonds are certified by the Gemological Institute of America and the International Gemological Institute, with certificates supplied as a soft or hard copy or both. Its policies publish free shipping worldwide insured for full value with a signature on delivery, returns within thirty days of the shipping confirmation date on an insured prepaid label, a Lifetime Warranty covering rhodium dipping, prong tightening, cleaning and repolishing with the first resize free within the first year, and appointments offered virtually or at its New York showroom at 1 Rockefeller Plaza.

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

KAY Jewelers

Natural and lab-created · US stores

KAY's lab-grown diamonds FAQ states that each lab-created diamond is accompanied by an independent laboratory report detailing its 4 Cs, with stones of a fifth of a carat and larger laser-inscribed on the girdle. Returns run 30 days from the purchase shipment date and exchanges 60 days, and the complimentary Lifetime Diamond & Gemstone Guarantee replaces a covered stone chipped, broken or lost from its setting during normal wear where the inspection is documented every six months at a KAY store, with the mounting guaranteed for twelve months.

Grading: Independent laboratory report on lab-created stones Returns: 30 days from shipment Stores: Across the United States Trade-in: Toward a diamond at least double the value

Helzberg Diamonds

US stores · trade-up programme

Helzberg's about page dates the house to Kansas City in 1915 and records its acquisition by Berkshire Hathaway, and its lab grown diamonds page states that it works with the Gem Certification & Assurance Lab (GCAL) and the International Gemological Institute (IGI) to certify its lab grown diamonds. Its jewelry guarantee publishes 30 days from the original purchase date for merchandise in unworn and new condition, a twelve-month guarantee of material and workmanship on the mounting, free standard shipping on purchases of $99 or more within the continental U.S., and an optional Lifetime Care Plan covering services and eligible repairs.

Grading: GCAL and IGI on lab grown diamonds Returns: 30 days from purchase Stores: Across the United States Trade-up: Value applied toward a new piece

Which Suits You

If what matters is… Beyond Carat Others compared here
A third-party report with the stone An IGI report comes in the box with every stone, so the lab that graded it is named on the certificate. Frank Darling: GIA certified Guaranteed Brilliant; Keyzar: GIA and IGI
A long window to decide 65 days from the ship date, refunded to your card, with a prepaid insured UPS label on U.S. orders. KAY, Keyzar and Helzberg: 30 days; Frank Darling: 30 days from ready-to-ship
Cover that runs on past year one A lifetime manufacturing warranty on materials and workmanship, with no claim fee to pay at any point. Keyzar and Frank Darling: lifetime warranties; Helzberg: optional Lifetime Care Plan
What delivery costs Every U.S. order ships free by insured UPS 2nd Day Air with a signature, and international delivery is available. Keyzar: free worldwide insured shipping; Frank Darling: complimentary insured US and international shipping
Resizing Free resizing for one year from shipping on U.S. orders, so the fit can be put right later. Keyzar: first resize free within a year; Helzberg: resizing under the Lifetime Care Plan
A published grade band D, E or F colour, VVS or VS clarity and Excellent cut on every piece, at every carat weight. Frank Darling: Guaranteed Brilliant D–F colour, VVS2+ clarity, Super Ideal cut

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

Frank Darling, Beyond Carat, Keyzar, KAY Jewelers and Helzberg Diamonds. Each fact is quoted from that company's own published pages, read on 11 September 2026, and every page used is linked under Sources.

Beyond Carat supplies an IGI report with every stone, and publishes D, E or F colour, VVS or VS clarity and Excellent cut on every piece. Frank Darling's Guaranteed Brilliant page states that those diamonds are GIA certified, to a Super Ideal cut grade, a colourless D to F score, VVS2 or above clarity and excellent polish and symmetry (frankdarling.com/guaranteed-brilliant, read 11 September 2026).

Beyond Carat: 65 days from the ship date, with a prepaid insured UPS label on U.S. orders. Frank Darling: 30 days from the ready-to-ship date or 60 days from the order date, whichever comes first. Keyzar: 30 days from the shipping confirmation date. KAY: 30 days from the purchase shipment date, with exchanges within 60 days. Helzberg: 30 days of the original purchase date, in store or online, in unworn and new condition. All read 11 September 2026.

Beyond Carat sends a prepaid insured UPS label on U.S. orders and refunds to the original payment method, with nothing deducted. Frank Darling's help centre publishes free returns and exchanges on eligible items, with a prepaid insured label sent once a return is started and refunds issued to the original form of payment 3 to 5 business days after receipt (frankdarling.com help centre, read 11 September 2026).

Beyond Carat sells online and offers a free video or phone consultation, with a workshop in the NYC Diamond District. Frank Darling lists thirteen showrooms with addresses: NYC Tribeca, NYC Brooklyn and NYC Flatiron, Chicago, Philadelphia, San Francisco, Boston, Austin, Seattle, Los Angeles, Houston, Miami and Washington DC. Keyzar lists a New York showroom at 1 Rockefeller Plaza, Suite 1110. KAY lists retail stores across the United States in its store finder, and Helzberg lists its stores in a store locator. All read 11 September 2026.

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