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Cushion|Lab Grown|IGI

3.98ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG817689710

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817689710

Diamond specifications and retailer prices

From $643 SGD
$503 USD
As of November 1, 2026
Save $588 SGD (48%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,849 SGD at Rare Carat · As of October 19, 2026
View at Rare Carat

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 LG817689710 or 817689710. Listed at 3 retailers as of November 1, 2026, with a 91% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.9°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817689710
Dimensions11.19 × 8.13 × 5.40 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.19 mm8.13 mm3.98 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817689710
Side View
Table 63.0%Crown 34.9°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,849 SGD|Low: $643 SGD|High: $3,907 SGD|Avg: $1,866 SGD|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3$643 SGD
Retailer 5$1,124 SGD
Retailer 2$1,232 SGD
Retailer 4$1,362 SGD
Retailer 6$2,071 SGD
Retailer 7$2,413 SGD
Rare Carat$3,849 SGD

38 data points across 7 retailers

3 retailers$643 SGD to $1,232 SGD

A
Cheapest Retailer
-
$643 SGD
$503 USD
Final sale: no returns
A
Retailer 2
-
$1,232 SGD
£758 GBP
View
Most Expensive
Rare Carat
817689710 · Oct 19
$3,849 SGD
$3,010 USD
View
Price last confirmed 15 days ago
2 more retailers have this diamond
Prices start from $643 SGDSave up to $588 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