A buyer at a Midwest jewelry store ordered a mixed parcel of 100 loose moissanites last spring: 60 graded D-F and 40 graded G-H. By August, the G-H boxes were empty while nearly half the D-F stones were still in the tray. The buyer did not overbuy white; she misread which color grade wins in which product category. D-F and G-H are not just a price tier gap. They are two different retail jobs, and stocking them as one bucket is how cash gets stuck.
This guide is for wholesale buyers and boutique owners who already know the 4Cs and now need an allocation rule: how much D-F versus G-H to hold, for which settings, and where the color actually shows up to the customer.
What D-F and G-H mean on a moissanite parcel
Moissanite color grading borrows the GIA diamond color scale concept, but it is not the same scale. GIA grades diamond on a D-to-Z scale where D is colorless and Z is fancy yellow; see GIA's 4Cs education for the diamond baseline. Moissanite is graded on a similar letter ladder by most Chinese labs (GRA, NGTC, and others), but because moissanite is a silicon carbide crystal with higher dispersion, a G-H moissanite face-up often looks whiter than a G-H diamond would. The warm tint sits on the pavilion and through the culet, not on the table. Wholesale buyers who compare them under a colorless master stone will see the difference; a retail customer buying off a white-gold band may not.
That gap between expert-visible and customer-visible is the whole commercial argument for holding both grades. We break the cut-level differences down in which shapes move fastest at wholesale, and the per-carat step-ups in moissanite carat weight pricing tiers.
Where D-F earns its margin
D-F (colorless) moissanite is the bridal grade. Engagement rings, solitaires, and three-stone mounts are typically shown next to a customer's existing white-glove or platinum band, and any faint body color reads as yellow in that comparison. In a 6.5 mm and larger stone, the table is wide enough that a G-H tint can be spotted by a careful shopper. Hold D-F for:
- Solitaire engagement mounts 6.0 mm and up.
- Three-stone and halo rings where the center stone is compared face-up to side stones.
- Pendants and necklaces worn against skin, where the customer tilts the stone to a window light.
- Custom pieces marketed as "white diamond equivalent."
D-F carries a wholesale premium of roughly 15-25% over G-H at the same size and clarity, and retail accounts will pay it because the bridal buyer expects colorless. Our piece on eye-clean clarity standards pairs naturally with this decision: D-F stones should also be eye-clean, because color and flaws are both judged at arm's length in a solitaire.
Where G-H sells faster
G-H (near-colorless) moissanite is the everyday-jewelry grade. Stud earrings, fashion rings, tennis bracelets, and men's bands are viewed at arm's length or on the move, and the faint warm tint is invisible at that distance. G-H also costs less to stock, which lets the boutique price a pair of studs under $99 retail without slashing margin. Hold G-H for:
- Stud earrings 4-7 mm, where the customer buys two and never puts them next to a diamond.
- Stackable bands and right-hand rings worn stacked with other pieces.
- Men's wedding bands, where the stone is small and the setting is usually brushed.
- Wholesale lots aimed at fashion retailers who need price-per-piece under a target.
If you are buying matched pairs for earrings, read stud earring sizes for resale before you place the order; color consistency within a pair matters more than the absolute grade.
A practical 60/40 split rule
For a mixed bridal-and-fashion boutique, stock 60% D-F and 40% G-H across the 5.0-7.0 mm range. Push to 70/30 in shops that lean bridal, and to 50/50 in shops that lean fashion. Below 4.0 mm the color difference is not worth paying for; buy G-H melee. Above 8.0 mm, go back to 100% D-F because large faces show body color. The wholesale buyer who ignores this split ends up with two-year-old D-F melee and empty G-H stud trays.
Is G-H moissanite noticeable next to a real diamond?
In a side-by-side under a daylight lamp with a master stone, yes. In normal retail lighting at arm's length, most customers cannot tell a G-H moissanite from a D-F one. The exception is a 2 ct-plus stone, where the larger face gives the tint room to show.
Does GIA grade moissanite?
GIA grades diamond and gemstones but does not issue commercial moissanite grading reports at scale; moissanite is typically graded by GRA, NGTC, and similar labs. We cover the lab difference in GIA vs GRA certificates.
Can I resell G-H moissanite as "colorless"?
No. The FTC Jewelry Guides (16 CFR Part 23) require truthful disclosure of gemstone grading. Label the grade as the certificate states and describe the look face-up honestly.
Does the metal setting change how color reads?
Yes. Yellow gold warms the stone and hides a G-H tint; platinum or white gold cools it and makes a warm tint more visible. A G-H stone in a yellow-gold mount is effectively invisible-tint; the same stone in platinum needs to be D-F.
Order from HOLYCOME. We stock both D-F VVS and G-H VS moissanite in round, oval, cushion, and princess cuts from 3.0 to 9.0 mm, with GRA certificate per stone. Tell us your bridal-to-fashion mix and we will split the parcel so the D-F lands in your solitaire cabinet and the G-H fills your stud trays. Apply for a wholesale account and request the current color-tier price list — minimum order 20 stones, mixed grades and cuts allowed.
