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Cushion|Lab Grown|IGI

2.51ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG831696405

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831696405

Diamond specifications and retailer prices

From $493 USD
As of November 1, 2026
Save $2,832 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,325 USD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 2.51ct lab-grown cushion diamond

This 2.51ct lab-grown cushion sits in the two to three carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831696405 or 831696405. Listed at 19 retailers as of November 1, 2026, with prices from $493 to $3,325, a $2,832 spread on the same certified stone. Helzberg Diamonds lists it at $3,325. 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

2.51
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696405
Dimensions10.07 × 6.65 × 4.48 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.07 mm6.65 mm2.51 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696405
Side View
Table 64.0%Crown 31.8°Girdle: STK-THKPavilion 37.4°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,325 USD|Low: $435 USD|High: $3,325 USD|Avg: $1,402 USD
Helzberg Diamonds
Retailer 2
Retailer 3
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Retailer 19
November 3, 2026
Retailer 10$482 USD
Retailer 5$493 USD
Retailer 15$516 USD
Retailer 3$824 USD
Retailer 18$825 USD
Retailer 8$857 USD
Retailer 17$861 USD
Retailer 2$902 USD
Retailer 19$1,212 USD
Retailer 6$1,227 USD
Retailer 14$1,317 USD
Retailer 13$1,323 USD
Retailer 7$1,721 USD
Retailer 9$1,788 USD
Retailer 12$1,897 USD
Retailer 16$2,005 USD
Retailer 4$2,440 USD
Retailer 11$2,970 USD
Helzberg Diamonds$3,325 USD

22 data points across 19 retailers

19 retailers$493 USD to $3,325 USD

Retailer 1
-
$482 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$493 USD
View
Final sale: no returns
A
Retailer 3
-
$516 USD
£407 GBP
View
A
Retailer 4
-
$824 USD
View
A
Retailer 5
-
$825 USD
View
A
Retailer 6
-
$857 USD
View
A
Retailer 7
-
$861 USD
€820 EUR
View
A
Retailer 8
-
$902 USD
£710 GBP
View
B+
Retailer 9
-
$1,212 USD
A$1,865 AUD
View
A
Retailer 10
-
$1,227 USD
View
B+
Retailer 11
-
$1,317 USD
ZAR 21,271 ZAR
View
B+
Retailer 12
-
$1,323 USD
View
B
Retailer 13
-
$1,721 USD
SGD 2,326 SGD
View
B+
Retailer 14
-
$1,788 USD
View
B+
Retailer 15
-
$1,897 USD
View
B+
Retailer 16
-
$2,005 USD
£1,579 GBP
View
B
Retailer 17
-
$2,440 USD
View
B
Retailer 18
-
$2,970 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPMKGL · Nov 1
$3,325 USD
View
18 more retailers have this diamond
Prices start from $493 USDSave up to $2,832 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
2.51ct Cushion
$493 USD