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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 $2,520 NZD
$1,420 USD
As of October 31, 2026
Save $14,724 NZD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $17,243 NZD 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 $2,520 to $17,243, a $14,724 spread on the same certified stone. Cape Diamonds lists it at $17,243. 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
Colour
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 31
Current: $17,243 NZD|Low: $2,520 NZD|High: $18,039 NZD|Avg: $9,624 NZD|-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
November 1, 2026
Retailer 5$2,520 NZD
Retailer 7$5,763 NZD
Retailer 10$6,455 NZD
Retailer 8$6,684 NZD
Retailer 11$6,684 NZD
Retailer 12$6,964 NZD
Retailer 3$7,784 NZD
Retailer 6$9,409 NZD
Retailer 9$10,376 NZD
Retailer 4$15,022 NZD
Retailer 2$16,943 NZD
Cape Diamonds$17,243 NZD

21 data points across 12 retailers

12 retailers$2,520 NZD to $17,243 NZD

A
Cheapest Retailer
-
$2,520 NZD
$1,420 USD
B+
Retailer 2
-
$5,763 NZD
$3,248 USD
View
B+
Retailer 3
-
$6,270 NZD
$3,534 USD
View
B+
Retailer 4
-
$6,455 NZD
$3,638 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,684 NZD
$3,767 USD
View
Retailer 6
-
$6,684 NZD
$3,767 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$6,964 NZD
$3,925 USD
View
B+
Retailer 8
-
$8,353 NZD
$4,708 USD
View
B
Retailer 9
-
$9,409 NZD
$5,303 USD
View
B
Retailer 10
-
$10,376 NZD
$5,848 USD
View
B
Retailer 11
-
$16,943 NZD
£7,519 GBP
View
Most Expensive
B
Cape Diamonds
cert_492134053 · Oct 29
$17,243 NZD
ZAR 156,999 ZAR
View
11 more retailers have this diamond
Prices start from $2,520 NZDSave up to $14,724 NZD

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
$2,520 NZD