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Oval|Lab Grown|IGI

0.70ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG499115851

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG499115851

Diamond specifications and retailer prices

From £291 GBP
$390 USD
As of October 30, 2026
Save £1,624 GBP (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,915 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.7ct lab-grown oval diamond

This 0.7ct 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 LG499115851 or 499115851. Listed at 10 retailers as of October 29, 2026, with prices from £291 to £1,915, a £1,624 spread on the same certified stone. MOH London lists it at £1,915. 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

0.70
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499115851
Dimensions6.99 × 5.13 × 3.17 mm
L/W Ratio1.36
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
6.99 mm5.13 mm0.70 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499115851
Side View
Table 59.0%Crown 33.7°Girdle: THN-MEDPavilion 41.8°Culet: NoneDepth 61.8%

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: £1,915 GBP|Low: £291 GBP|High: £1,928 GBP|Avg: £781 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3£291 GBP
Retailer 5£368 GBP
Retailer 6£456 GBP
Retailer 8£456 GBP
Retailer 7£710 GBP
Retailer 2£753 GBP
Retailer 4£1,227 GBP
MOH London£1,915 GBP

42 data points across 8 retailers

10 retailers£291 GBP to £1,915 GBP

A
Cheapest Retailer
-
£291 GBP
$390 USD
B+
Retailer 2
-
£368 GBP
$493 USD
View
B+
Retailer 3
-
£412 GBP
$552 USD
View
B+
Retailer 4
-
£456 GBP
$611 USD
View
Retailer 5
-
£456 GBP
$611 USD
View
Price last confirmed 15 days ago
B
Retailer 6
-
£710 GBP
$951 USD
View
B
Retailer 7
-
£753 GBP
View
B
Retailer 8
-
£1,200 GBP
$1,608 USD
View
B
Retailer 9
-
£1,227 GBP
$1,644 USD
View
Most Expensive
B
MOH London
LG499115851 · Oct 29
£1,915 GBP
View
9 more retailers have this diamond
Prices start from £291 GBPSave up to £1,624 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
0.70ct Oval
£291 GBP