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Oval|Lab Grown|IGI

0.71ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG502108745

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG502108745

Diamond specifications and retailer prices

From £336 GBP
$450 USD
As of October 31, 2026
Save £1,225 GBP (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,561 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.71ct lab-grown oval diamond

This 0.71ct lab-grown oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG502108745 or 502108745. Listed at 10 retailers as of October 29, 2026, with prices from £336 to £1,561, a £1,225 spread on the same certified stone. MOH London lists it at £1,561. 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

0.71
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502108745
Dimensions7.33 × 4.92 × 2.95 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.33 mm4.92 mm0.71 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502108745
Side View
Table 56.0%Crown 33.4°Girdle: STK-THKPavilion 37.4°Culet: NoneDepth 60.0%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £1,561 GBP|Low: £328 GBP|High: £1,572 GBP|Avg: £666 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4£336 GBP
Retailer 6£341 GBP
Retailer 3£400 GBP
Retailer 7£422 GBP
Retailer 9£422 GBP
Retailer 10£530 GBP
Retailer 8£661 GBP
Retailer 2£712 GBP
Retailer 11£724 GBP
Retailer 5£1,137 GBP
MOH London£1,561 GBP

19 data points across 11 retailers

10 retailers£336 GBP to £1,561 GBP

A
Cheapest Retailer
-
£336 GBP
$450 USD
A
Retailer 2
-
£341 GBP
$457 USD
View
B+
Retailer 3
-
£382 GBP
$512 USD
View
B+
Retailer 4
-
£422 GBP
$566 USD
View
Retailer 5
-
£422 GBP
$566 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
£661 GBP
$886 USD
View
B
Retailer 7
-
£712 GBP
€908 EUR
View
B
Retailer 8
-
£1,137 GBP
$1,523 USD
View
B
Retailer 9
-
£1,359 GBP
$1,821 USD
View
Most Expensive
B
MOH London
LG502108745 · Oct 29
£1,561 GBP
View
9 more retailers have this diamond
Prices start from £336 GBPSave up to £1,225 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
0.71ct Oval
£336 GBP