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Cushion|Lab Grown|IGI

3.10ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG821624381

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821624381

Diamond specifications and retailer prices

From $1,234 SGD
$965 USD
As of October 26, 2026
Save $2,765 SGD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,126 SGD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821624381 or 821624381. Listed at 16 retailers as of October 26, 2026, with a 224% 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

3.10
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821624381
Dimensions10.49 × 7.38 × 4.65 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.49 mm7.38 mm3.10 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821624381
Side View
Table 65.0%Crown 46°Girdle: MED-STKPavilion 31.2°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $5,126 SGD|Low: $827 SGD|High: $5,178 SGD|Avg: $2,558 SGD|-1.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 28, 2026
Retailer 13$827 SGD
Retailer 7$931 SGD
Retailer 2$1,061 SGD
Retailer 16$1,234 SGD
Retailer 12$1,330 SGD
Retailer 15$1,428 SGD
Retailer 6$1,970 SGD
Retailer 3$1,979 SGD
Retailer 10$2,310 SGD
Retailer 5$2,669 SGD
Retailer 11$2,966 SGD
Retailer 8$3,007 SGD
Retailer 4$3,039 SGD
Retailer 14$3,636 SGD
Retailer 17$3,999 SGD
Retailer 9$4,205 SGD
Rare Carat$5,126 SGD

24 data points across 17 retailers

16 retailers$1,234 SGD to $3,999 SGD

Retailer 1
-
$931 SGD
$728 USD
Price last confirmed 16 days ago
Retailer 2
-
$1,061 SGD
$830 USD
View
Price last confirmed 5 days ago
A
Retailer 3
-
$1,234 SGD
$965 USD
View
A
Retailer 4
-
$1,330 SGD
€991 EUR
View
A
Retailer 5
-
$1,428 SGD
£880 GBP
View
Retailer 6
-
$1,970 SGD
A$2,371 AUD
View
Price last confirmed 12 days ago
Retailer 7
-
$1,979 SGD
ZAR 25,006 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$2,310 SGD
$1,807 USD
View
B+
Retailer 9
-
$2,669 SGD
£1,644 GBP
View
B+
Retailer 10
-
$2,966 SGD
$2,320 USD
View
B+
Retailer 11
-
$3,007 SGD
$2,352 USD
View
B+
Retailer 12
-
$3,039 SGD
$2,377 USD
View
B+
Retailer 13
-
$3,636 SGD
View
B
Retailer 14
-
$3,999 SGD
£2,463 GBP
View
Retailer 15
-
$4,205 SGD
A$5,060 AUD
View
Price last confirmed 24 days ago
Most Expensive
Rare Carat
CN211-36A · Oct 19
$5,126 SGD
$4,010 USD
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $1,234 SGDSave up to $2,765 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
3.10ct Cushion
$1,234 SGD