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Oval|Lab Grown|IGI

1.50ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG451055759

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055759

Diamond specifications and retailer prices

From £1,272 GBP
As of November 5, 2026
Save £2,932 GBP (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,204 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown oval diamond

This 1.5ct 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 LG451055759 or 451055759. Listed at 9 retailers as of November 5, 2026, with prices from £1,272 to £4,204, a £2,932 spread on the same certified stone. MOH London lists it at £4,204. 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

1.50
Carat
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055759
Dimensions9.31 × 6.43 × 3.95 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.31 mm6.43 mm1.50 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055759
Side View
Table 59.5%Crown 33.6°Girdle: STK-THKPavilion 41.7°Culet: NoneDepth 61.4%

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: £4,204 GBP|Low: £1,222 GBP|High: £4,273 GBP|Avg: £2,361 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4£1,272 GBP
Retailer 8£1,384 GBP
Retailer 5£1,476 GBP
Retailer 9£1,968 GBP
Retailer 2£2,270 GBP
Retailer 6£2,319 GBP
Retailer 3£2,545 GBP
Retailer 7£2,767 GBP
Retailer 10£3,304 GBP
MOH London£4,204 GBP

40 data points across 10 retailers

9 retailers£1,272 GBP to £4,204 GBP

B+
Cheapest Retailer
-
£1,272 GBP
B+
Retailer 2
-
£1,384 GBP
View
Retailer 3
-
£1,476 GBP
View
Price last confirmed 25 days ago
B
Retailer 4
-
£1,476 GBP
View
B
Retailer 5
-
£2,270 GBP
View
B
Retailer 6
-
£2,319 GBP
View
B
Retailer 7
-
£2,545 GBP
View
B
Retailer 8
-
£2,767 GBP
View
Most Expensive
B
MOH London
LG451055759 · Nov 5
£4,204 GBP
View
8 more retailers have this diamond
Prices start from £1,272 GBPSave up to £2,932 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+
1.50ct Oval
£1,272 GBP