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Round|Lab Grown|IGI

2.57ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG476186868

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476186868

Diamond specifications and retailer prices

From $2,390 USD
As of October 29, 2026
Save $7,399 USD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,789 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

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 LG476186868 or 476186868. Listed at 12 retailers as of October 29, 2026, with prices from $2,390 to $9,789, a $7,399 spread on the same certified stone. Cape Diamonds lists it at $9,789. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476186868
Dimensions8.74 × 8.78 × 5.34 mm
L/W Ratio1.00
Girdle conditionFaceted
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
8.74 mm8.78 mm2.57 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476186868
Side View
Table 59.5%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.9%

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: Oct 29
Current: $9,789 USD|Low: $2,390 USD|High: $10,241 USD|Avg: $5,948 USD|-4.4%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3$2,390 USD
Retailer 6$3,664 USD
Retailer 7$3,950 USD
Retailer 8$4,417 USD
Retailer 4$5,235 USD
Retailer 5$5,891 USD
Retailer 9$8,532 USD
Retailer 2$9,671 USD
Cape Diamonds$9,789 USD

18 data points across 9 retailers

12 retailers$2,390 USD to $9,789 USD

A
Cheapest Retailer
-
$2,390 USD
B+
Retailer 2
-
$3,272 USD
View
B+
Retailer 3
-
$3,560 USD
View
B+
Retailer 4
-
$3,664 USD
View
Final sale: no returns
Retailer 5
-
$3,795 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$3,795 USD
View
B+
Retailer 7
-
$3,950 USD
View
B+
Retailer 8
-
$4,742 USD
View
B
Retailer 9
-
$5,235 USD
View
B
Retailer 10
-
$5,891 USD
View
B
Retailer 11
-
$9,671 USD
£7,615 GBP
View
Most Expensive
B
Cape Diamonds
cert_476186868 · Oct 29
$9,789 USD
ZAR 158,150 ZAR
View
11 more retailers have this diamond
Prices start from $2,390 USDSave up to $7,399 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
$2,390 USD