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Round|Lab Grown|IGI

2.55ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG492134053

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492134053

Diamond specifications and retailer prices

From $1,420 USD
As of October 30, 2026
Save $8,298 USD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,718 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

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 LG492134053 or 492134053. Listed at 12 retailers as of October 29, 2026, with prices from $1,420 to $9,718, a $8,298 spread on the same certified stone. Cape Diamonds lists it at $9,718. 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 angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492134053
Dimensions8.70 × 8.73 × 5.44 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
8.70 mm8.73 mm2.55 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492134053
Side View
Table 55.0%Crown 35.9°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,718 USD|Low: $1,420 USD|High: $10,167 USD|Avg: $5,433 USD|-4.4%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$1,420 USD
Retailer 7$3,248 USD
Retailer 10$3,638 USD
Retailer 8$3,767 USD
Retailer 11$3,767 USD
Retailer 12$3,925 USD
Retailer 3$4,387 USD
Retailer 6$5,303 USD
Retailer 9$5,848 USD
Retailer 4$8,466 USD
Retailer 5$9,600 USD
Cape Diamonds$9,718 USD

20 data points across 12 retailers

12 retailers$1,420 USD to $9,718 USD

A
Cheapest Retailer
-
$1,420 USD
B+
Retailer 2
-
$3,248 USD
View
B+
Retailer 3
-
$3,534 USD
View
B+
Retailer 4
-
$3,638 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,767 USD
View
Retailer 6
-
$3,767 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$3,925 USD
View
B+
Retailer 8
-
$4,708 USD
View
B
Retailer 9
-
$5,303 USD
View
B
Retailer 10
-
$5,848 USD
View
B
Retailer 11
-
$9,600 USD
£7,559 GBP
View
Most Expensive
B
Cape Diamonds
cert_492134053 · Oct 29
$9,718 USD
ZAR 156,999 ZAR
View
11 more retailers have this diamond
Prices start from $1,420 USDSave up to $8,298 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
$1,420 USD