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Cushion|Lab Grown|IGI

2.51ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG516248469

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG516248469

Diamond specifications and retailer prices

From $557 USD
As of October 28, 2026
Save $1,270 USD (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,827 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 2.51ct lab-grown cushion diamond

This 2.51ct lab-grown cushion sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG516248469 or 516248469. Listed at 3 retailers as of October 28, 2026, with prices from $557 to $1,827, a $1,270 spread on the same certified stone. The Diamond Guys lists it at $1,827. 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
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG516248469
Dimensions7.57 × 7.48 × 5.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.57 mm7.48 mm2.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG516248469
Side View
Table 68.0%Crown 32.2°Girdle: MED-VTKPavilion 39.2°Culet: NoneDepth 71.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $557 USD|Low: $301 USD|High: $2,410 USD|Avg: $1,320 USD|-20.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
September 13, 2026
Retailer 1$557 USD
Retailer 3$629 USD
Retailer 6$685 USD
Retailer 4$877 USD
Retailer 2$1,381 USD
Retailer 5$1,642 USD
The Diamond Guys$1,827 USD

32 data points across 7 retailers

3 retailers$557 USD to $1,827 USD

B+
Cheapest Retailer
-
$557 USD
B+
Retailer 2
-
$1,381 USD
CA$1,918 CAD
View
Most Expensive
B+
The Diamond Guys
1779253076 · Oct 30
$1,827 USD
View
2 more retailers have this diamond
Prices start from $557 USDSave up to $1,270 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.

B+
2.51ct Cushion
$557 USD