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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 €440 EUR
$493 USD
As of November 1, 2026
Save €2,525 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,965 EUR 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 €440 to €2,965, a €2,525 spread on the same certified stone. Helzberg Diamonds lists it at €2,965. 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: €2,965 EUR|Low: €388 EUR|High: €2,965 EUR|Avg: €1,249 EUR
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
Retailer 19
November 2, 2026
Retailer 10€430 EUR
Retailer 5€440 EUR
Retailer 13€460 EUR
Retailer 3€735 EUR
Retailer 18€736 EUR
Retailer 8€764 EUR
Retailer 16€768 EUR
Retailer 14€797 EUR
Retailer 19€1,081 EUR
Retailer 6€1,094 EUR
Retailer 12€1,174 EUR
Retailer 2€1,180 EUR
Retailer 7€1,535 EUR
Retailer 9€1,594 EUR
Retailer 17€1,681 EUR
Retailer 15€1,788 EUR
Retailer 4€2,175 EUR
Retailer 11€2,648 EUR
Helzberg Diamonds€2,965 EUR

21 data points across 19 retailers

19 retailers€440 EUR to €2,965 EUR

Retailer 1
-
€430 EUR
$482 USD
Price last confirmed 8 days ago
A
Retailer 2
-
€440 EUR
$493 USD
View
Final sale: no returns
A
Retailer 3
-
€460 EUR
£407 GBP
View
A
Retailer 4
-
€735 EUR
$824 USD
View
A
Retailer 5
-
€736 EUR
$825 USD
View
A
Retailer 6
-
€764 EUR
$857 USD
View
A
Retailer 7
-
€768 EUR
View
A
Retailer 8
-
€797 EUR
£704 GBP
View
B+
Retailer 9
-
€1,081 EUR
A$1,865 AUD
View
A
Retailer 10
-
€1,094 EUR
$1,227 USD
View
B+
Retailer 11
-
€1,174 EUR
ZAR 21,271 ZAR
View
B+
Retailer 12
-
€1,180 EUR
$1,323 USD
View
B
Retailer 13
-
€1,535 EUR
SGD 2,326 SGD
View
B+
Retailer 14
-
€1,594 EUR
$1,788 USD
View
B+
Retailer 15
-
€1,681 EUR
$1,885 USD
View
B+
Retailer 16
-
€1,788 EUR
£1,579 GBP
View
B
Retailer 17
-
€2,175 EUR
$2,440 USD
View
B
Retailer 18
-
€2,648 EUR
$2,970 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPMKGL · Nov 1
€2,965 EUR
$3,325 USD
View
18 more retailers have this diamond
Prices start from €440 EURSave up to €2,525 EUR

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
€440 EUR