Round|Lab Grown|IGI

1.82ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG451055386

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055386

Diamond specifications and retailer prices

From $2,171 USD
As of November 5, 2026
Save $4,662 USD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,833 USD at MOH London · As of November 3, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055386 or 451055386. Listed at 8 retailers as of November 3, 2026, with prices from $2,171 to $6,833, a $4,662 spread on the same certified stone. MOH London lists it at $6,833. 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
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055386
Dimensions8.01 × 8.04 × 4.67 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.01 mm8.04 mm1.82 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055386
Side View
Table 59.0%Crown 31.5°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 58.1%

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: Nov 5
Current: $6,833 USD|Low: $2,084 USD|High: $6,924 USD|Avg: $3,793 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$2,171 USD
Retailer 6$2,362 USD
Retailer 4$2,518 USD
Retailer 8$3,192 USD
Retailer 7$3,462 USD
Retailer 5$3,935 USD
Retailer 2$3,947 USD
Retailer 9$5,635 USD
MOH London$6,833 USD

14 data points across 9 retailers

8 retailers$2,171 USD to $6,833 USD

B+
Cheapest Retailer
-
$2,171 USD
B
Retailer 2
-
$2,362 USD
View
Retailer 3
-
$2,518 USD
View
Price last confirmed 26 days ago
B
Retailer 4
-
$2,518 USD
View
B
Retailer 5
-
$3,462 USD
View
B
Retailer 6
-
$3,935 USD
View
B
Retailer 7
-
$3,947 USD
View
Most Expensive
B
MOH London
LG451055386 · Nov 3
$6,833 USD
£5,380 GBP
View
7 more retailers have this diamond
Prices start from $2,171 USDSave up to $4,662 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+
1.82ct Round
$2,171 USD