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Cushion|Lab Grown|IGI

3.10ct H VVS2 Cushion Lab Grown Diamond

EX • H/VVS2 • IGI LG825620421

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG825620421

Diamond specifications and retailer prices

From $672 NZD
$379 USD
As of October 31, 2026
Save $722 NZD (52%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,394 NZD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825620421 or 825620421. Listed at 2 retailers as of October 31, 2026, with prices from $672 to $1,394, a $722 spread on the same certified stone. 77 Diamonds lists it at $1,394. 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

3.10
Carat
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825620421
Dimensions8.69 × 8.48 × 5.65 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.69 mm8.48 mm3.10 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825620421
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,394 NZD|Low: $672 NZD|High: $2,716 NZD|Avg: $1,625 NZD|-8.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2$672 NZD
Retailer 3$1,091 NZD
Retailer 6$1,267 NZD
77 Diamonds$1,394 NZD
Retailer 4$1,877 NZD
Retailer 5$2,716 NZD

40 data points across 6 retailers

2 retailers$672 NZD to $1,394 NZD

A
Cheapest Retailer
-
$672 NZD
$379 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
CUSTVSZQ7TXVXV · Nov 1
$1,394 NZD
£619 GBP
View
1 more retailer has this diamond
Prices start from $672 NZDSave up to $722 NZD

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.

A
3.10ct Cushion
$672 NZD