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Round|Lab Grown|IGI

2.57ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG516242498

Shape and cutting style on the report: Round brilliant

Certificate IGI LG516242498

Diamond specifications and retailer prices

From $592 USD
As of October 29, 2026
Save $2,598 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,190 USD at MOH London · As of October 26, 2026
View at MOH London

About this 2.57ct lab-grown round diamond

This 2.57ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG516242498 or 516242498. Listed at 14 retailers as of October 26, 2026, with prices from $592 to $3,190, a $2,598 spread on the same certified stone. MOH London lists it at $3,190. 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

2.57
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG516242498
Dimensions8.71 × 8.68 × 5.46 mm
L/W Ratio1.00
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
8.71 mm8.68 mm2.57 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG516242498
Side View
Table 55.0%Crown 35.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.8%

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 29
Current: $3,190 USD|Low: $592 USD|High: $3,225 USD|Avg: $1,586 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 8$592 USD
Retailer 12$662 USD
Retailer 9$734 USD
Retailer 6$865 USD
Retailer 11$987 USD
Retailer 10$1,126 USD
Retailer 13$1,198 USD
Retailer 2$1,771 USD
Retailer 7$1,821 USD
Retailer 3$2,179 USD
Retailer 4$2,374 USD
Retailer 5$2,457 USD
MOH London$3,190 USD

27 data points across 13 retailers

14 retailers$592 USD to $3,190 USD

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Cheapest Retailer
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$592 USD
A
Retailer 2
-
$662 USD
View
Final sale: no returns
A
Retailer 3
-
$663 USD
View
A
Retailer 4
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$734 USD
View
Price last confirmed 13 days ago
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Retailer 5
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$734 USD
View
A
Retailer 6
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$865 USD
View
A
Retailer 7
-
$987 USD
View
A
Retailer 8
-
$1,126 USD
View
A
Retailer 9
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$1,198 USD
View
A
Retailer 10
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$1,771 USD
ZAR 28,606 ZAR
View
A
Retailer 11
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$1,821 USD
View
A
Retailer 12
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$1,930 USD
View
A
Retailer 13
-
$2,374 USD
View
Most Expensive
A
MOH London
LG516242498 · Oct 26
$3,190 USD
£2,512 GBP
View
13 more retailers have this diamond
Prices start from $592 USDSave up to $2,598 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
2.57ct Round
$592 USD