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Oval|Lab Grown|IGI

1.23ct D VS2 Oval Lab Grown Diamond

EX • D/VS2 • IGI LG758585027

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG758585027

Diamond specifications and retailer prices

From £354 GBP
$474 USD
As of October 30, 2026
Save £500 GBP (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £854 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG758585027 or 758585027. Listed at 8 retailers as of October 29, 2026, with prices from £354 to £854, a £500 spread on the same certified stone. MOH London lists it at £854. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758585027
Dimensions8.60 × 6.04 × 3.79 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.60 mm6.04 mm1.23 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758585027
Side View
Table 59.0%Crown 35.3°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 62.7%

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 30
Current: £854 GBP|Low: £212 GBP|High: £860 GBP|Avg: £444 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3£212 GBP
Retailer 7£354 GBP
Retailer 5£360 GBP
Retailer 2£398 GBP
Retailer 6£448 GBP
Retailer 4£489 GBP
MOH London£854 GBP

38 data points across 7 retailers

8 retailers£354 GBP to £854 GBP

Retailer 1
-
£212 GBP
$284 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£354 GBP
$474 USD
View
A
Retailer 3
-
£360 GBP
$482 USD
View
B+
Retailer 4
-
£398 GBP
View
B+
Retailer 5
-
£448 GBP
$600 USD
View
Retailer 6
-
£489 GBP
$655 USD
View
Price last confirmed 10 days ago
Retailer 7
-
£721 GBP
$966 USD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
LG758585027 · Oct 29
£854 GBP
View
7 more retailers have this diamond
Prices start from £354 GBPSave up to £500 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
1.23ct Oval
£354 GBP