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Cushion|Lab Grown|IGI

3.90ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG817679960

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817679960

Diamond specifications and retailer prices

From $639 SGD
$500 USD
As of November 1, 2026
Save $4,272 SGD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,911 SGD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 3.9ct lab-grown cushion diamond

This 3.9ct 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 LG817679960 or 817679960. Listed at 4 retailers as of November 1, 2026, with prices from $639 to $4,911, a $4,272 spread on the same certified stone. Brilliant Earth lists it at $4,911. 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

3.90
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817679960
Dimensions10.90 × 8.14 × 5.44 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm8.14 mm3.90 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817679960
Side View
Table 64.0%Crown 35.3°Girdle: MED-THKPavilion 35.4°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: $4,911 SGD|Low: $639 SGD|High: $5,077 SGD|Avg: $2,265 SGD|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3$639 SGD
Retailer 6$1,113 SGD
Retailer 2$1,209 SGD
Retailer 5$1,349 SGD
Retailer 7$1,994 SGD
Retailer 8$2,391 SGD
Retailer 4$3,773 SGD
Brilliant Earth$4,911 SGD

39 data points across 8 retailers

4 retailers$639 SGD to $4,911 SGD

A
Cheapest Retailer
-
$639 SGD
$500 USD
Final sale: no returns
A
Retailer 2
-
$1,209 SGD
£744 GBP
View
Retailer 3
-
$3,773 SGD
$2,950 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
21245808A · Nov 1
$4,911 SGD
$3,840 USD
View
3 more retailers have this diamond
Prices start from $639 SGDSave up to $4,272 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
3.90ct Cushion
$639 SGD