CaratHunter
Plans
Cushion|Lab Grown|IGI

10.31ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG828608848

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG828608848

Diamond specifications and retailer prices

From $6,196 NZD
$3,486 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: $6,196 NZD at Loose Grown Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Loose Grown Diamond

About this 10.31ct lab-grown cushion diamond

This 10.31ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828608848 or 828608848. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.31
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle21.7°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828608848
Dimensions15.99 × 9.97 × 6.81 mm
L/W Ratio1.60
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.99 mm9.97 mm10.31 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828608848
Side View
Table 59.0%Crown 21.7°Girdle: MED-THKPavilion 42.1°Culet: LargeDepth 68.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,196 NZD|Low: $6,196 NZD|High: $25,386 NZD|Avg: $13,451 NZD|-11.7%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Loose Grown Diamond$6,196 NZD
Retailer 2$9,596 NZD
Retailer 3$12,219 NZD
Retailer 4$25,386 NZD

2 data points across 4 retailers

1 retailer

B+
Loose Grown Diamond
828608848 · Nov 1
$6,196 NZD
$3,486 USD
View

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
10.31ct Cushion
$6,196 NZD