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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 $3,862 NZD
As of November 5, 2026
Save $8,293 NZD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,155 NZD 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 $3,862 to $12,155, a $8,293 spread on the same certified stone. MOH London lists it at $12,155. 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
Colour
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: $12,155 NZD|Low: $3,707 NZD|High: $12,317 NZD|Avg: $6,748 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$3,862 NZD
Retailer 6$4,202 NZD
Retailer 4$4,479 NZD
Retailer 8$5,678 NZD
Retailer 7$6,159 NZD
Retailer 5$7,000 NZD
Retailer 2$7,021 NZD
Retailer 9$10,024 NZD
MOH London$12,155 NZD

14 data points across 9 retailers

8 retailers$3,862 NZD to $12,155 NZD

B+
Cheapest Retailer
-
$3,862 NZD
B
Retailer 2
-
$4,202 NZD
View
Retailer 3
-
$4,479 NZD
View
Price last confirmed 26 days ago
B
Retailer 4
-
$4,479 NZD
View
B
Retailer 5
-
$6,159 NZD
View
B
Retailer 6
-
$7,000 NZD
View
B
Retailer 7
-
$7,021 NZD
View
Most Expensive
B
MOH London
LG451055386 · Nov 3
$12,155 NZD
£5,380 GBP
View
7 more retailers have this diamond
Prices start from $3,862 NZDSave up to $8,293 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+
1.82ct Round
$3,862 NZD