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Round|Lab Grown|IGI

2.56ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG494173902

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494173902

Diamond specifications and retailer prices

From $1,430 USD
As of October 30, 2026
Save $8,324 USD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,754 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 2.56ct lab-grown round diamond

This 2.56ct 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 LG494173902 or 494173902. Listed at 12 retailers as of October 29, 2026, with prices from $1,430 to $9,754, a $8,324 spread on the same certified stone. Cape Diamonds lists it at $9,754. 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

2.56
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494173902
Dimensions8.94 × 8.97 × 5.24 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
8.94 mm8.97 mm2.56 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494173902
Side View
Table 59.5%Crown 32.9°GirdlePavilion 40.2°Culet: NoneDepth 58.5%

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 30
Current: $9,754 USD|Low: $1,430 USD|High: $10,204 USD|Avg: $5,949 USD|-4.4%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,430 USD
Retailer 6$3,651 USD
Retailer 7$3,940 USD
Retailer 8$4,402 USD
Retailer 4$5,216 USD
Retailer 5$5,871 USD
Retailer 9$8,499 USD
Retailer 3$9,635 USD
Cape Diamonds$9,754 USD

19 data points across 9 retailers

12 retailers$1,430 USD to $9,754 USD

A
Cheapest Retailer
-
$1,430 USD
B+
Retailer 2
-
$3,260 USD
View
B+
Retailer 3
-
$3,547 USD
View
B+
Retailer 4
-
$3,651 USD
View
Final sale: no returns
Retailer 5
-
$3,781 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$3,781 USD
View
B+
Retailer 7
-
$3,940 USD
View
B
Retailer 8
-
$4,725 USD
View
B
Retailer 9
-
$5,216 USD
View
B
Retailer 10
-
$5,871 USD
View
B
Retailer 11
-
$9,635 USD
£7,587 GBP
View
Most Expensive
B
Cape Diamonds
cert_494173902 · Oct 29
$9,754 USD
ZAR 157,574 ZAR
View
11 more retailers have this diamond
Prices start from $1,430 USDSave up to $8,324 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
2.56ct Round
$1,430 USD