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Oval|Lab Grown|IGI

1.81ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG447000090

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000090

Diamond specifications and retailer prices

From £1,532 GBP
As of November 5, 2026
Save £3,528 GBP (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,059 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.81ct lab-grown oval diamond

This 1.81ct lab-grown oval 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 LG447000090 or 447000090. Listed at 8 retailers as of November 5, 2026, with prices from £1,532 to £5,059, a £3,528 spread on the same certified stone. MOH London lists it at £5,059. 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

1.81
Carat
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000090
Dimensions9.43 × 6.97 × 4.37 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.43 mm6.97 mm1.81 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000090
Side View
Table 57.5%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: £5,059 GBP|Low: £1,470 GBP|High: £5,141 GBP|Avg: £2,734 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£1,532 GBP
Retailer 7£1,666 GBP
Retailer 4£1,776 GBP
Retailer 8£2,264 GBP
Retailer 6£2,442 GBP
Retailer 5£2,779 GBP
Retailer 2£2,849 GBP
Retailer 9£3,975 GBP
MOH London£5,059 GBP

14 data points across 9 retailers

8 retailers£1,532 GBP to £5,059 GBP

B+
Cheapest Retailer
-
£1,532 GBP
B+
Retailer 2
-
£1,666 GBP
View
Retailer 3
-
£1,776 GBP
View
Price last confirmed 26 days ago
B
Retailer 4
-
£1,776 GBP
View
B
Retailer 5
-
£2,442 GBP
View
B
Retailer 6
-
£2,779 GBP
View
B
Retailer 7
-
£2,849 GBP
View
Most Expensive
B
MOH London
LG447000090 · Nov 5
£5,059 GBP
View
7 more retailers have this diamond
Prices start from £1,532 GBPSave up to £3,528 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+
1.81ct Oval
£1,532 GBP