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Oval|Lab Grown|IGI

1.20ct D VVS1 Oval Lab Grown Diamond

EX • D/VVS1 • IGI LG846689138

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG846689138

Diamond specifications and retailer prices

From £218 GBP
As of October 27, 2026
Save £1,223 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,440 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG846689138 or 846689138. Listed at 16 retailers as of October 27, 2026, with prices from £218 to £1,440, a £1,223 spread on the same certified stone. Brilliant Earth lists it at £1,440. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846689138
Dimensions9.10 × 5.92 × 3.53 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.10 mm5.92 mm1.20 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846689138
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 59.6%

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: £465 GBP|Low: £180 GBP|High: £904 GBP|Avg: £489 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 27, 2026
Retailer 4£180 GBP
Retailer 9£218 GBP
Retailer 15£302 GBP
Retailer 14£322 GBP
Retailer 10£348 GBP
Retailer 7£381 GBP
Retailer 8£386 GBP
Retailer 3£428 GBP
Retailer 1£465 GBP
Retailer 2£639 GBP
Retailer 13£648 GBP
Retailer 6£651 GBP
Retailer 11£667 GBP
Retailer 5£755 GBP
Retailer 12£891 GBP
Retailer 16£904 GBP

7 data points across 16 retailers

16 retailers£218 GBP to £1,440 GBP

A
Cheapest Retailer
-
£218 GBP
A
Retailer 2
-
£302 GBP
$405 USD
View
Retailer 3
-
£322 GBP
ZAR 6,963 ZAR
View
Price last confirmed 7 days ago
A
Retailer 4
-
£348 GBP
View
A
Retailer 5
-
£381 GBP
$511 USD
View
A
Retailer 6
-
£386 GBP
$517 USD
View
B+
Retailer 7
-
£428 GBP
$573 USD
View
B+
Retailer 8
-
£465 GBP
A$959 AUD
View
B+
Retailer 9
-
£639 GBP
CA$1,190 CAD
View
B+
Retailer 10
-
£648 GBP
$868 USD
View
B
Retailer 11
-
£651 GBP
$873 USD
View
B
Retailer 12
-
£667 GBP
A$1,375 AUD
View
B
Retailer 13
-
£755 GBP
$1,011 USD
View
B
Retailer 14
-
£891 GBP
View
B
Retailer 15
-
£904 GBP
$1,211 USD
View
Most Expensive
B
Brilliant Earth
22270124A · Oct 28
£1,440 GBP
$1,930 USD
View
15 more retailers have this diamond
Prices start from £218 GBPSave up to £1,223 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
1.20ct Oval
£218 GBP