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Cushion|Lab Grown|IGI

2.51ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG598379280

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG598379280

Diamond specifications and retailer prices

From $643 USD
As of November 2, 2026
Save $2,907 USD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,550 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG598379280 or 598379280. Listed at 9 retailers as of November 2, 2026, with prices from $643 to $3,550, a $2,907 spread on the same certified stone. Do Amore Diamonds lists it at $3,550. 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 angle37.7°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598379280
Dimensions7.62 × 7.54 × 5.16 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
7.62 mm7.54 mm2.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598379280
Side View
Table 64.0%Crown 37.7°Girdle: MediumPavilion 35.7°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
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: Nov 2
Current: $3,550 USD|Low: $643 USD|High: $3,550 USD|Avg: $1,415 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9$643 USD
Retailer 6$645 USD
Retailer 8$778 USD
Retailer 7$786 USD
Retailer 3$1,029 USD
Retailer 4$1,214 USD
Retailer 2$1,319 USD
Retailer 11$1,463 USD
Retailer 10$1,908 USD
Retailer 5$2,019 USD
Do Amore Diamonds$3,550 USD

21 data points across 11 retailers

9 retailers$643 USD to $3,550 USD

A
Cheapest Retailer
-
$643 USD
A
Retailer 2
-
$645 USD
View
A
Retailer 3
-
$778 USD
View
A
Retailer 4
-
$786 USD
View
A
Retailer 5
-
$1,214 USD
A$1,868 AUD
View
A
Retailer 6
-
$1,319 USD
ZAR 21,308 ZAR
View
B+
Retailer 7
-
$1,908 USD
View
B+
Retailer 8
-
$2,019 USD
£1,590 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D1FC1585D · Nov 2
$3,550 USD
View
8 more retailers have this diamond
Prices start from $643 USDSave up to $2,907 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
$643 USD