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Cushion|Lab Grown|IGI

3.98ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG816646718

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816646718

Diamond specifications and retailer prices

From $643 SGD
$503 USD
As of November 1, 2026
Save $4,370 SGD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,013 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.98ct lab-grown cushion diamond

This 3.98ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816646718 or 816646718. Listed at 4 retailers as of October 31, 2026, with prices from $643 to $5,013, a $4,370 spread on the same certified stone. Brilliant Earth lists it at $5,013. 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

3.98
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816646718
Dimensions11.30 × 8.07 × 5.39 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.30 mm8.07 mm3.98 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816646718
Side View
Table 65.0%Crown 35.1°Girdle: MED-THKPavilion 37.4°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $5,013 SGD|Low: $643 SGD|High: $5,013 SGD|Avg: $2,167 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3$643 SGD
Retailer 6$1,124 SGD
Retailer 2$1,221 SGD
Retailer 5$1,362 SGD
Retailer 7$2,071 SGD
Retailer 8$2,413 SGD
Retailer 4$3,849 SGD
Brilliant Earth$5,013 SGD

37 data points across 8 retailers

4 retailers$643 SGD to $5,013 SGD

A
Cheapest Retailer
-
$643 SGD
$503 USD
Final sale: no returns
A
Retailer 2
-
$1,221 SGD
£752 GBP
View
Retailer 3
-
$3,849 SGD
$3,010 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
21257521A · Oct 31
$5,013 SGD
$3,920 USD
View
3 more retailers have this diamond
Prices start from $643 SGDSave up to $4,370 SGD

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
3.98ct Cushion
$643 SGD