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Cushion|Lab Grown|IGI

3.10ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG838648256

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

Certificate IGI LG838648256

Diamond specifications and retailer prices

From $1,998 NZD
$1,126 USD
As of November 2, 2026
Save $3,994 NZD (67%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,992 NZD at MOH London · As of November 1, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838648256 or 838648256. Listed at 4 retailers as of November 1, 2026, with prices from $1,998 to $5,992, a $3,994 spread on the same certified stone. MOH London lists it at $5,992. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838648256
Dimensions7.82 × 7.58 × 5.47 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm7.58 mm3.10 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838648256
Side View
Table 58.0%Crown 36.9°Girdle: THK-VTKPavilion 30.4°Culet: NoneDepth 72.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $5,992 NZD|Low: $1,998 NZD|High: $5,992 NZD|Avg: $3,487 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$1,998 NZD
Retailer 4$2,289 NZD
Retailer 2$5,522 NZD
MOH London$5,992 NZD

3 data points across 4 retailers

4 retailers$1,998 NZD to $5,992 NZD

A
Cheapest Retailer
-
$1,998 NZD
$1,126 USD
A
Retailer 2
-
$2,289 NZD
$1,290 USD
View
B
Retailer 3
-
$5,522 NZD
$3,112 USD
View
Most Expensive
B
MOH London
LG838648256 · Nov 1
$5,992 NZD
£2,659 GBP
View
3 more retailers have this diamond
Prices start from $1,998 NZDSave up to $3,994 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
$1,998 NZD