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1.81ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG447099803

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447099803

Diamond specifications and retailer prices

From $1,792 NZD
$1,010 USD
As of October 30, 2026
Save $6,577 NZD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,369 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099803 or 447099803. Listed at 10 retailers as of October 29, 2026, with prices from $1,792 to $8,369, a $6,577 spread on the same certified stone. MOH London lists it at $8,369. 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

1.81
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099803
Dimensions7.86 × 7.89 × 4.77 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.86 mm7.89 mm1.81 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099803
Side View
Table 56.0%Crown 33°GirdlePavilion 40.4°Culet: NoneDepth 60.5%

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: $8,369 NZD|Low: $1,792 NZD|High: $8,437 NZD|Avg: $4,128 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,792 NZD
Retailer 3$2,234 NZD
Retailer 6$2,502 NZD
Retailer 4$2,590 NZD
Retailer 8$3,609 NZD
Retailer 5$4,104 NZD
Retailer 7$4,830 NZD
Retailer 9$5,795 NZD
MOH London$8,369 NZD

14 data points across 9 retailers

10 retailers$1,792 NZD to $8,369 NZD

A
Cheapest Retailer
-
$1,792 NZD
$1,010 USD
B+
Retailer 2
-
$2,234 NZD
$1,259 USD
View
B+
Retailer 3
-
$2,431 NZD
$1,370 USD
View
B+
Retailer 4
-
$2,502 NZD
$1,410 USD
View
Final sale: no returns
Retailer 5
-
$2,590 NZD
$1,460 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,590 NZD
$1,460 USD
View
B
Retailer 7
-
$4,104 NZD
$2,313 USD
View
B
Retailer 8
-
$4,830 NZD
$2,722 USD
View
B
Retailer 9
-
$4,856 NZD
$2,737 USD
View
Most Expensive
B
MOH London
LG447099803 · Oct 29
$8,369 NZD
£3,714 GBP
View
9 more retailers have this diamond
Prices start from $1,792 NZDSave up to $6,577 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
1.81ct Round
$1,792 NZD