G Color

Live pricing and availability for G color diamonds across natural and lab-grown origins.

Total listings
1,977,271
Natural median (NZD)
$3,951/ct
Lab-grown median (NZD)
$861/ct

What G Color Means for Buyers

G sits on the GIA color scale that runs from D (colorless) at the top through to Z (faint yellow or brown). The higher up you go toward D, the rarer the stone and the steeper the price curve. But a huge number of buyers never tell the difference between two adjacent grades in a finished ring, especially once the diamond is mounted in yellow or rose gold.

Right now we're tracking 1,977,271 active G color listings across our retailer network. The typical natural G diamond trades around $3,951/ct while the lab-grown equivalent sits at $861/ct. Roughly a 78% gap that reflects the broader natural-vs-lab pricing gap, not a quality difference at this grade.

At -0.6% above the neighboring H grade, the premium for G is subtle. Barely enough to move the needle on total budget. Unless you specifically want the paper grade, H is interchangeable for most buyers and leaves money on the table for cut or carat weight.

G shows up most often in ROUND. About 548,537 listings at this moment. Followed by ROUND. Most of the supply clusters around the 0.5-0.99ct carat range, where demand is strongest and retailers keep the deepest inventory. If you're shopping an unusual shape or carat, expect thinner selection.

For most engagement-ring buyers, the practical sweet spot for color is G or H. Colorless-appearing face-up, still a near-colorless grade on paper, and priced 30 to 50% below the D-E tier. If you're setting the stone in yellow or rose gold, you can comfortably go down to I or J without the stone looking warm. Save the money for a better cut grade; cut drives sparkle far more than the last step of color.

Breakdown by Shape

ShapeOriginListingsMedian (NZD)
ROUNDnatural548,537$3,786/ct
ROUNDlab grown274,334$1,310/ct
OVALnatural133,630$4,700/ct
EMERALDnatural111,440$3,836/ct
PEARnatural109,268$3,823/ct
OVALlab grown102,102$742/ct
EMERALDlab grown101,637$770/ct
RADIANTlab grown85,853$720/ct
PEARlab grown81,935$885/ct
HEARTnatural64,799$3,767/ct
CUSHIONnatural55,590$4,543/ct
PRINCESSnatural49,415$3,980/ct
PRINCESSlab grown48,037$792/ct
CUSHIONlab grown46,388$734/ct
MARQUISElab grown44,801$653/ct
RADIANTnatural26,420$5,165/ct
MARQUISEnatural24,946$3,714/ct
HEARTlab grown23,585$833/ct
ASSCHERnatural23,229$4,381/ct
ASSCHERlab grown15,855$868/ct
OTHERnatural1,968$4,481/ct
OTHERlab grown1,882$1,057/ct
BAGUETTEnatural484$4,430/ct
BAGUETTElab grown456$813/ct
TRILLIONnatural362$6,888/ct
TRILLIONlab grown284$1,079/ct
ROUNDunknown55$2,992/ct
SQ_RADIANTlab grown25$656/ct
SQ_RADIANTnatural18$2,070/ct
RADIANTunknown15$7,393/ct
EMERALDunknown13$3,010/ct
OVALunknown11$17,077/ct

Breakdown by Carat

CaratOriginListingsMedian (NZD)
0.5-0.99ctnatural472,910$3,338/ct
0.5-0.99ctlab grown76,827$2,369/ct
0.5-0.99ctunknown26$3,350/ct
1.0-1.49ctnatural229,575$6,092/ct
1.0-1.49ctlab grown128,977$833/ct
1.0-1.49ctunknown21$7,393/ct
1.5-1.99ctnatural92,062$10,263/ct
1.5-1.99ctlab grown119,013$771/ct
1.5-1.99ctunknown11$12,071/ct
2.0-2.99ctnatural59,364$16,308/ct
2.0-2.99ctlab grown174,677$769/ct
2.0-2.99ctunknown15$16,858/ct
3.0ct+natural25,336$27,626/ct
3.0ct+lab grown262,728$643/ct
3.0ct+unknown8$956/ct
under-0.5ctnatural270,859$2,809/ct
under-0.5ctlab grown64,952$2,274/ct
under-0.5ctunknown23$2,793/ct
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