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Round|Lab Grown|IGI

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 $985 USD
As of October 29, 2026
Save $2,909 USD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,894 USD 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 I1 clarity (included), with a top-tier cut grade and certified by IGI LG492136662 or 492136662. Listed at 8 retailers as of October 29, 2026, with prices from $985 to $3,894, a $2,909 spread on the same certified stone. MOH London lists it at $3,894. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,894 USD|Low: $945 USD|High: $3,926 USD|Avg: $1,721 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 18, 2026
Retailer 3$985 USD
Retailer 6$1,071 USD
Retailer 4$1,142 USD
Retailer 8$1,142 USD
Retailer 9$1,679 USD
Retailer 5$1,826 USD
Retailer 7$2,141 USD
Retailer 2$2,461 USD
MOH London$3,894 USD

14 data points across 9 retailers

8 retailers$985 USD to $3,894 USD

B+
Cheapest Retailer
-
$985 USD
B+
Retailer 2
-
$1,071 USD
View
B+
Retailer 3
-
$1,142 USD
View
Retailer 4
-
$1,142 USD
View
Price last confirmed 19 days ago
B
Retailer 5
-
$1,826 USD
View
B
Retailer 6
-
$2,141 USD
View
B
Retailer 7
-
$2,461 USD
View
Most Expensive
B
MOH London
LG492136662 · Oct 29
$3,894 USD
£3,066 GBP
View
7 more retailers have this diamond
Prices start from $985 USDSave up to $2,909 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.

B+
1.81ct Round
$985 USD