CaratHunter
Plans
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 £1,613 GBP
As of November 5, 2026
Save £3,464 GBP (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,077 GBP 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 £1,613 to £5,077, a £3,464 spread on the same certified stone. MOH London lists it at £5,077. 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
undefined
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £5,077 GBP|Low: £1,548 GBP|High: £5,144 GBP|Avg: £2,818 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3£1,613 GBP
Retailer 6£1,755 GBP
Retailer 4£1,871 GBP
Retailer 8£2,372 GBP
Retailer 7£2,572 GBP
Retailer 5£2,924 GBP
Retailer 2£2,933 GBP
Retailer 9£4,187 GBP
MOH London£5,077 GBP

14 data points across 9 retailers

8 retailers£1,613 GBP to £5,077 GBP

B+
Cheapest Retailer
-
£1,613 GBP
B
Retailer 2
-
£1,755 GBP
View
Retailer 3
-
£1,871 GBP
View
Price last confirmed 26 days ago
B
Retailer 4
-
£1,871 GBP
View
B
Retailer 5
-
£2,572 GBP
View
B
Retailer 6
-
£2,924 GBP
View
B
Retailer 7
-
£2,933 GBP
View
Most Expensive
B
MOH London
LG451055386 · Nov 3
£5,077 GBP
View
7 more retailers have this diamond
Prices start from £1,613 GBPSave up to £3,464 GBP

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
£1,613 GBP