Round|Lab Grown|IGI

1.82ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG451057635

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057635

Diamond specifications and retailer prices

From $1,290 USD
As of October 29, 2026
Save $3,655 USD (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,945 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.82ct lab-grown round diamond

This 1.82ct 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 LG451057635 or 451057635. Listed at 11 retailers as of October 29, 2026, with prices from $1,290 to $4,945, a $3,655 spread on the same certified stone. MOH London lists it at $4,945. 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

1.82
Carat
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057635
Dimensions7.92 × 7.93 × 4.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.92 mm7.93 mm1.82 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057635
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,945 USD|Low: $1,054 USD|High: $4,978 USD|Avg: $2,217 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 7$1,290 USD
Retailer 6$1,320 USD
Retailer 10$1,436 USD
Retailer 12$1,477 USD
Retailer 8$1,531 USD
Retailer 13$1,531 USD
Retailer 2$1,786 USD
Retailer 4$2,118 USD
Retailer 9$2,422 USD
Retailer 3$2,854 USD
Retailer 11$2,870 USD
Retailer 5$3,425 USD
MOH London$4,945 USD

21 data points across 13 retailers

11 retailers$1,290 USD to $4,945 USD

A
Cheapest Retailer
-
$1,290 USD
A
Retailer 2
-
$1,320 USD
View
B+
Retailer 3
-
$1,436 USD
View
B+
Retailer 4
-
$1,477 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,531 USD
View
B+
Retailer 6
-
$1,531 USD
View
Price last confirmed 16 days ago
B+
Retailer 7
-
$1,786 USD
£1,407 GBP
View
B
Retailer 8
-
$2,422 USD
View
B
Retailer 9
-
$2,854 USD
View
B
Retailer 10
-
$2,870 USD
View
Most Expensive
B
MOH London
LG451057635 · Oct 29
$4,945 USD
£3,894 GBP
View
10 more retailers have this diamond
Prices start from $1,290 USDSave up to $3,655 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.

A
1.82ct Round
$1,290 USD