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Oval|Lab Grown|IGI

0.71ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445037755

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037755

Diamond specifications and retailer prices

From £328 GBP
$440 USD
As of October 31, 2026
Save £1,225 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,554 GBP at MOH London · As of November 1, 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 LG445037755 or 445037755. Listed at 11 retailers as of October 31, 2026, with prices from £328 to £1,554, a £1,225 spread on the same certified stone. MOH London lists it at £1,554. 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 angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037755
Dimensions7.45 × 4.89 × 3.04 mm
L/W Ratio1.52
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.45 mm4.89 mm0.71 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037755
Side View
Table 60.0%Crown 33.4°Girdle: STK-THKPavilion 41.7°Culet: NoneDepth 62.2%

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 31
Current: £1,554 GBP|Low: £328 GBP|High: £1,699 GBP|Avg: £749 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5£328 GBP
Retailer 7£341 GBP
Retailer 10£381 GBP
Retailer 8£422 GBP
Retailer 11£422 GBP
Retailer 12£530 GBP
Retailer 9£661 GBP
Retailer 2£712 GBP
Retailer 3£724 GBP
Retailer 6£1,137 GBP
MOH London£1,554 GBP
Retailer 4£1,699 GBP

26 data points across 12 retailers

11 retailers£328 GBP to £1,554 GBP

A
Cheapest Retailer
-
£328 GBP
$440 USD
A
Retailer 2
-
£341 GBP
$457 USD
View
B+
Retailer 3
-
£381 GBP
$511 USD
View
Final sale: no returns
B+
Retailer 4
-
£382 GBP
$512 USD
View
B+
Retailer 5
-
£422 GBP
$566 USD
View
Retailer 6
-
£422 GBP
$566 USD
View
Price last confirmed 16 days ago
B
Retailer 7
-
£661 GBP
$886 USD
View
B
Retailer 8
-
£712 GBP
€908 EUR
View
B
Retailer 9
-
£1,137 GBP
$1,523 USD
View
B
Retailer 10
-
£1,359 GBP
$1,821 USD
View
Most Expensive
B
MOH London
LG445037755 · Nov 1
£1,554 GBP
View
10 more retailers have this diamond
Prices start from £328 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
£328 GBP