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Round|Lab Grown|IGI

2.57ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG517284792

Shape and cutting style on the report: Round brilliant

Certificate IGI LG517284792

Diamond specifications and retailer prices

From $757 SGD
$592 USD
As of October 29, 2026
Save $3,322 SGD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,922 SGD at Rare Carat · As of July 12, 2026
View at Rare Carat

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 LG517284792 or 517284792. Listed at 15 retailers as of October 26, 2026, with a 439% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517284792
Dimensions8.79 × 8.75 × 5.45 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
8.79 mm8.75 mm2.57 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517284792
Side View
Table 56.5%Crown 34.4°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $6,922 SGD|Low: $603 SGD|High: $6,922 SGD|Avg: $2,295 SGD
Rare Carat
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 9$757 SGD
Retailer 13$846 SGD
Retailer 10$938 SGD
Retailer 6$1,106 SGD
Retailer 12$1,262 SGD
Retailer 11$1,439 SGD
Retailer 3$1,532 SGD
Retailer 5$1,964 SGD
Retailer 2$2,264 SGD
Retailer 8$2,328 SGD
Retailer 4$3,035 SGD
Retailer 7$4,078 SGD
Rare Carat$6,922 SGD

25 data points across 13 retailers

15 retailers$757 SGD to $4,078 SGD

A
Cheapest Retailer
-
$757 SGD
$592 USD
A
Retailer 2
-
$846 SGD
$662 USD
View
Final sale: no returns
A
Retailer 3
-
$848 SGD
$663 USD
View
Retailer 4
-
$938 SGD
$734 USD
View
Price last confirmed 14 days ago
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Retailer 5
-
$938 SGD
$734 USD
View
A
Retailer 6
-
$1,106 SGD
$865 USD
View
A
Retailer 7
-
$1,262 SGD
$987 USD
View
A
Retailer 8
-
$1,439 SGD
$1,126 USD
View
A
Retailer 9
-
$1,532 SGD
$1,198 USD
View
A
Retailer 10
-
$2,264 SGD
ZAR 28,606 ZAR
View
A
Retailer 11
-
$2,328 SGD
$1,821 USD
View
A
Retailer 12
-
$2,467 SGD
$1,930 USD
View
A
Retailer 13
-
$3,035 SGD
$2,374 USD
View
A
Retailer 14
-
$4,078 SGD
£2,512 GBP
View
Most Expensive
Rare Carat
919459 · Jul 12
$6,922 SGD
$5,414 USD
View
Price last confirmed 110 days ago
14 more retailers have this diamond
Prices start from $757 SGDSave up to $3,322 SGD

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
$757 SGD