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1.81ct J I1 Round Lab Grown Diamond

ID • J/I1 • IGI LG492136662

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492136662

Diamond specifications and retailer prices

From $1,748 NZD
$985 USD
As of November 1, 2026
Save $5,125 NZD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,873 NZD at MOH London · As of November 1, 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 I1 clarity (included), with a top-tier cut grade and certified by IGI LG492136662 or 492136662. Listed at 8 retailers as of November 1, 2026, with prices from $1,748 to $6,873, a $5,125 spread on the same certified stone. MOH London lists it at $6,873. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
J
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136662
Dimensions7.85 × 7.93 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.85 mm7.93 mm1.81 ctJ / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136662
Side View
Table 59.5%Crown 32.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,873 NZD|Low: $1,677 NZD|High: $6,965 NZD|Avg: $3,065 NZD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$1,748 NZD
Retailer 6$1,900 NZD
Retailer 4$2,026 NZD
Retailer 8$2,026 NZD
Retailer 9$2,979 NZD
Retailer 5$3,240 NZD
Retailer 7$3,799 NZD
Retailer 2$4,367 NZD
MOH London$6,873 NZD

15 data points across 9 retailers

8 retailers$1,748 NZD to $6,873 NZD

B+
Cheapest Retailer
-
$1,748 NZD
$985 USD
B+
Retailer 2
-
$1,900 NZD
$1,071 USD
View
B+
Retailer 3
-
$2,026 NZD
$1,142 USD
View
Retailer 4
-
$2,026 NZD
$1,142 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
$3,240 NZD
$1,826 USD
View
B
Retailer 6
-
$3,799 NZD
$2,141 USD
View
B
Retailer 7
-
$4,367 NZD
$2,461 USD
View
Most Expensive
B
MOH London
LG492136662 · Nov 1
$6,873 NZD
£3,050 GBP
View
7 more retailers have this diamond
Prices start from $1,748 NZDSave up to $5,125 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.

B+
1.81ct Round
$1,748 NZD