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Oval|Lab Grown|IGI

0.71ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG488141582

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG488141582

Diamond specifications and retailer prices

From £291 GBP
$390 USD
As of October 30, 2026
Save £1,643 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,934 GBP at MOH London · As of October 26, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488141582 or 488141582. Listed at 11 retailers as of October 26, 2026, with prices from £291 to £1,934, a £1,643 spread on the same certified stone. MOH London lists it at £1,934. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488141582
Dimensions7.40 × 4.91 × 3.10 mm
L/W Ratio1.51
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
7.40 mm4.91 mm0.71 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488141582
Side View
Table 54.5%Crown 32.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.1%

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 30
Current: £1,934 GBP|Low: £291 GBP|High: £1,953 GBP|Avg: £721 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2£291 GBP
Retailer 5£373 GBP
Retailer 8£417 GBP
Retailer 6£463 GBP
Retailer 9£463 GBP
Retailer 7£719 GBP
Retailer 3£770 GBP
Retailer 4£1,193 GBP
MOH London£1,934 GBP

42 data points across 9 retailers

11 retailers£291 GBP to £1,934 GBP

A
Cheapest Retailer
-
£291 GBP
$390 USD
B+
Retailer 2
-
£373 GBP
$500 USD
View
B+
Retailer 3
-
£417 GBP
$559 USD
View
Final sale: no returns
B+
Retailer 4
-
£418 GBP
$560 USD
View
B+
Retailer 5
-
£463 GBP
$620 USD
View
Retailer 6
-
£463 GBP
$620 USD
View
Price last confirmed 15 days ago
B
Retailer 7
-
£719 GBP
$964 USD
View
B
Retailer 8
-
£770 GBP
View
B
Retailer 9
-
£1,193 GBP
$1,599 USD
View
B
Retailer 10
-
£1,217 GBP
$1,630 USD
View
Most Expensive
B
MOH London
LG488141582 · Oct 26
£1,934 GBP
View
10 more retailers have this diamond
Prices start from £291 GBPSave up to £1,643 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
£291 GBP