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2.05ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG451055558

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055558

Diamond specifications and retailer prices

From $1,726 NZD
As of November 5, 2026
Save $10,384 NZD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,109 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 2.05ct lab-grown round diamond

This 2.05ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055558 or 451055558. Listed at 11 retailers as of November 3, 2026, with prices from $1,726 to $12,109, a $10,384 spread on the same certified stone. MOH London lists it at $12,109. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.05
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055558
Dimensions8.17 × 8.19 × 4.93 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.17 mm8.19 mm2.05 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055558
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.2%

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: Nov 5
Current: $12,109 NZD|Low: $1,726 NZD|High: $15,971 NZD|Avg: $6,586 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 5$1,726 NZD
Retailer 4$3,848 NZD
Retailer 8$4,308 NZD
Retailer 6$4,463 NZD
Retailer 9$4,463 NZD
Retailer 10$4,759 NZD
Retailer 11$5,676 NZD
Retailer 7$6,972 NZD
Retailer 2$6,995 NZD
MOH London$12,109 NZD
Retailer 3$15,971 NZD

12 data points across 11 retailers

11 retailers$1,726 NZD to $12,109 NZD

A
Cheapest Retailer
-
$1,726 NZD
B+
Retailer 2
-
$3,848 NZD
View
B+
Retailer 3
-
$4,186 NZD
View
B+
Retailer 4
-
$4,308 NZD
View
Final sale: no returns
B+
Retailer 5
-
$4,463 NZD
View
Retailer 6
-
$4,463 NZD
View
Price last confirmed 26 days ago
B+
Retailer 7
-
$4,759 NZD
View
B
Retailer 8
-
$6,135 NZD
View
B
Retailer 9
-
$6,972 NZD
View
B
Retailer 10
-
$6,995 NZD
View
Most Expensive
B
MOH London
LG451055558 · Nov 3
$12,109 NZD
£5,360 GBP
View
10 more retailers have this diamond
Prices start from $1,726 NZDSave up to $10,384 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
2.05ct Round
$1,726 NZD