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Oval|Lab Grown|IGI

0.71ct D SI2 Oval Lab Grown Diamond

ID • D/SI2 • IGI LG842660979

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG842660979

Diamond specifications and retailer prices

From £89 GBP
$119 USD
As of October 27, 2026
Save £309 GBP (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £839 GBP at MOH London · As of October 21, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842660979 or 842660979. Listed at 9 retailers as of October 27, 2026, with a 345% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842660979
Dimensions7.30 × 4.87 × 3.03 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm4.87 mm0.71 ctD / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG842660979
Side View
Table 60.0%Crown 37.7°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 62.2%

Caratlytics Score

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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 27
Current: £839 GBP|Low: £89 GBP|High: £839 GBP|Avg: £272 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7£89 GBP
Retailer 9£115 GBP
Retailer 5£180 GBP
Retailer 6£180 GBP
Retailer 8£200 GBP
Retailer 3£246 GBP
Retailer 2£280 GBP
Retailer 4£358 GBP
Retailer 10£398 GBP
MOH London£839 GBP

6 data points across 10 retailers

9 retailers£89 GBP to £398 GBP

A
Cheapest Retailer
-
£89 GBP
$119 USD
Final sale: no returns
A
Retailer 2
-
£115 GBP
HK$1,200 HKD
View
A
Retailer 3
-
£180 GBP
$240 USD
View
B+
Retailer 4
-
£200 GBP
$266 USD
View
B+
Retailer 5
-
£246 GBP
View
B+
Retailer 6
-
£280 GBP
SGD 504 SGD
View
B+
Retailer 7
-
£358 GBP
$477 USD
View
B+
Retailer 8
-
£398 GBP
$530 USD
View
Most Expensive
B
MOH London
LG842660979 · Oct 21
£839 GBP
View
Price last confirmed 8 days ago
8 more retailers have this diamond
Prices start from £89 GBPSave up to £309 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
£89 GBP