Oval|Lab Grown|IGI

1.20ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG845665255

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG845665255

Diamond specifications and retailer prices

From £414 GBP
$551 USD
As of October 23, 2026
Save £9 GBP (2%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £862 GBP at Reve Diamonds · As of October 23, 2026
View at Reve Diamonds

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845665255 or 845665255. Listed at 10 retailers as of October 23, 2026, with a relatively tight 2% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845665255
Dimensions8.48 × 5.89 × 3.78 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.48 mm5.89 mm1.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845665255
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: £414 GBP|Low: £140 GBP|High: £862 GBP|Avg: £430 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 23, 2026
Retailer 7£140 GBP
Retailer 5£216 GBP
Retailer 4£233 GBP
Retailer 3£292 GBP
Retailer 6£302 GBP
Retailer 1£414 GBP
Retailer 2£423 GBP
Retailer 8£541 GBP
Retailer 9£596 GBP
Reve Diamonds£862 GBP

2 data points across 10 retailers

10 retailers£414 GBP to £423 GBP

Retailer 1
-
£140 GBP
$186 USD
Price last confirmed 7 days ago
Retailer 2
-
£216 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
£233 GBP
$310 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£292 GBP
ZAR 6,287 ZAR
View
Price last confirmed 7 days ago
Retailer 5
-
£302 GBP
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£414 GBP
$551 USD
View
B+
Retailer 7
-
£423 GBP
A$866 AUD
View
Retailer 8
-
£541 GBP
$720 USD
View
Price last confirmed 7 days ago
Retailer 9
-
£596 GBP
$794 USD
View
Price last confirmed 8 days ago
Most Expensive
Reve Diamonds
9E49A49AD · Oct 23
£862 GBP
$1,148 USD
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from £414 GBPSave up to £9 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.

B+
1.20ct Oval
£414 GBP