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Round|Lab Grown|IGI

2.55ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG649406005

Shape and cutting style on the report: Round brilliant

Certificate IGI LG649406005

Diamond specifications and retailer prices

From $642 USD
As of October 30, 2026
Save $1,070 USD (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,712 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.55ct lab-grown round diamond

This 2.55ct 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 LG649406005 or 649406005. Listed at 10 retailers as of October 29, 2026, with prices from $642 to $1,712, a $1,070 spread on the same certified stone. MOH London lists it at $1,712. 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

2.55
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649406005
Dimensions8.84 × 8.79 × 5.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.84 mm8.79 mm2.55 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649406005
Side View
Table 55.0%Crown 33.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

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: $1,712 USD|Low: $535 USD|High: $1,723 USD|Avg: $1,013 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 21, 2026
Retailer 7$535 USD
Retailer 3$642 USD
Retailer 4$694 USD
Retailer 5$851 USD
Retailer 2$1,260 USD
Retailer 6$1,559 USD
MOH London$1,712 USD

7 data points across 7 retailers

10 retailers$642 USD to $1,712 USD

B+
Cheapest Retailer
-
$642 USD
A
Retailer 2
-
$694 USD
View
A
Retailer 3
-
$851 USD
View
Retailer 4
-
$1,130 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$1,130 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$1,135 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$1,222 USD
View
Price last confirmed 75 days ago
Retailer 8
-
$1,260 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$1,559 USD
View
Most Expensive
A
MOH London
LG649406005 · Oct 29
$1,712 USD
£1,348 GBP
View
9 more retailers have this diamond
Prices start from $642 USDSave up to $1,070 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
2.55ct Round
$642 USD