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 $830 USD
As of October 28, 2026
Save $2,298 USD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,010 USD 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 277% 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
Color
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 28
Current: $4,010 USD|Low: $647 USD|High: $4,050 USD|Avg: $2,001 USD|-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$647 USD
Retailer 7$728 USD
Retailer 2$830 USD
Retailer 16$965 USD
Retailer 12$1,041 USD
Retailer 15$1,117 USD
Retailer 6$1,541 USD
Retailer 3$1,548 USD
Retailer 10$1,807 USD
Retailer 5$2,088 USD
Retailer 11$2,320 USD
Retailer 8$2,352 USD
Retailer 4$2,377 USD
Retailer 14$2,844 USD
Retailer 17$3,128 USD
Retailer 9$3,289 USD
Rare Carat$4,010 USD

24 data points across 17 retailers

16 retailers$830 USD to $3,128 USD

Retailer 1
-
$728 USD
Price last confirmed 15 days ago
A
Retailer 2
-
$830 USD
View
A
Retailer 3
-
$965 USD
View
A
Retailer 4
-
$1,041 USD
€991 EUR
View
A
Retailer 5
-
$1,117 USD
£880 GBP
View
Retailer 6
-
$1,541 USD
A$2,371 AUD
View
Price last confirmed 12 days ago
Retailer 7
-
$1,548 USD
ZAR 25,006 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,807 USD
View
B+
Retailer 9
-
$2,088 USD
£1,644 GBP
View
B+
Retailer 10
-
$2,320 USD
View
B+
Retailer 11
-
$2,352 USD
View
B+
Retailer 12
-
$2,377 USD
View
B+
Retailer 13
-
$2,844 USD
SGD 3,843 SGD
View
B
Retailer 14
-
$3,128 USD
£2,463 GBP
View
Retailer 15
-
$3,289 USD
A$5,060 AUD
View
Price last confirmed 24 days ago
Most Expensive
Rare Carat
CN211-36A · Oct 19
$4,010 USD
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $830 USDSave up to $2,298 USD

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
$830 USD