CaratHunter
Plans
Oval|Lab Grown|IGI

1.51ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG442066530

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG442066530

Diamond specifications and retailer prices

From £597 GBP
$800 USD
As of October 29, 2026
Save £2,528 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,125 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442066530 or 442066530. Listed at 11 retailers as of October 25, 2026, with prices from £597 to £3,125, a £2,528 spread on the same certified stone. MOH London lists it at £3,125. 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

1.51
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442066530
Dimensions8.82 × 6.43 × 4.10 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
8.82 mm6.43 mm1.51 ctI / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442066530
Side View
Table 60.5%Crown 36.1°Girdle: STK-VTKPavilion 41.3°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,125 GBP|Low: £597 GBP|High: £3,163 GBP|Avg: £1,435 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 7£597 GBP
Retailer 6£837 GBP
Retailer 11£911 GBP
Retailer 12£937 GBP
Retailer 8£971 GBP
Retailer 13£971 GBP
Retailer 4£1,388 GBP
Retailer 2£1,449 GBP
Retailer 9£1,546 GBP
Retailer 10£1,820 GBP
Retailer 3£1,970 GBP
Retailer 5£2,174 GBP
MOH London£3,125 GBP

38 data points across 13 retailers

11 retailers£597 GBP to £3,125 GBP

A
Cheapest Retailer
-
£597 GBP
$800 USD
B+
Retailer 2
-
£837 GBP
$1,122 USD
View
B+
Retailer 3
-
£911 GBP
$1,221 USD
View
B+
Retailer 4
-
£937 GBP
$1,256 USD
View
Final sale: no returns
Retailer 5
-
£971 GBP
$1,301 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
£971 GBP
$1,301 USD
View
B+
Retailer 7
-
£1,449 GBP
View
B
Retailer 8
-
£1,546 GBP
$2,071 USD
View
B
Retailer 9
-
£1,820 GBP
$2,439 USD
View
B
Retailer 10
-
£1,970 GBP
$2,640 USD
View
Most Expensive
B
MOH London
LG442066530 · Oct 25
£3,125 GBP
View
10 more retailers have this diamond
Prices start from £597 GBPSave up to £2,528 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.

A
1.51ct Oval
£597 GBP