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Oval|Lab Grown|IGI

1.20ct D VVS1 Oval Lab Grown Diamond

EX • D/VVS1 • IGI LG815650325

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815650325

Diamond specifications and retailer prices

From £170 GBP
$227 USD
As of October 29, 2026
Save £1,470 GBP (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,640 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 LG815650325 or 815650325. Listed at 22 retailers as of October 27, 2026, with prices from £170 to £1,640, a £1,470 spread on the same certified stone. Queensmith lists it at £1,640. 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 angle36°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815650325
Dimensions8.29 × 6.03 × 3.75 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.29 mm6.03 mm1.20 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815650325
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.2%

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 29
Current: £394 GBP|Low: £190 GBP|High: £1,006 GBP|Avg: £503 GBP|+4.3%
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
October 29, 2026
Retailer 5£190 GBP
Retailer 3£212 GBP
Retailer 10£340 GBP
Retailer 7£363 GBP
Retailer 1£394 GBP
Retailer 11£424 GBP
Retailer 4£448 GBP
Retailer 8£516 GBP
Retailer 13£555 GBP
Retailer 6£677 GBP
Retailer 12£751 GBP
Retailer 9£849 GBP
Retailer 2£976 GBP

43 data points across 13 retailers

22 retailers£170 GBP to £1,640 GBP

A
Cheapest Retailer
-
£170 GBP
$227 USD
A
Retailer 2
-
£190 GBP
$253 USD
View
Final sale: no returns
A
Retailer 3
-
£197 GBP
$263 USD
View
A
Retailer 4
-
£212 GBP
$282 USD
View
A
Retailer 5
-
£212 GBP
$282 USD
View
A
Retailer 6
-
£285 GBP
$380 USD
View
A
Retailer 7
-
£340 GBP
€431 EUR
View
A
Retailer 8
-
£363 GBP
ZAR 7,815 ZAR
View
A
Retailer 9
-
£394 GBP
View
B+
Retailer 10
-
£424 GBP
A$868 AUD
View
B+
Retailer 11
-
£436 GBP
$581 USD
View
B+
Retailer 12
-
£448 GBP
$597 USD
View
B+
Retailer 13
-
£516 GBP
A$1,057 AUD
View
B+
Retailer 14
-
£555 GBP
$739 USD
View
B+
Retailer 15
-
£677 GBP
A$1,386 AUD
View
B
Retailer 16
-
£680 GBP
$905 USD
View
B
Retailer 17
-
£719 GBP
$958 USD
View
B+
Retailer 18
-
£751 GBP
$1,000 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
£849 GBP
View
B
Retailer 20
-
£961 GBP
$1,280 USD
View
B
Retailer 21
-
£976 GBP
$1,300 USD
View
Most Expensive
B
Queensmith
LG815650325 · Oct 27
£1,640 GBP
View
21 more retailers have this diamond
Prices start from £170 GBPSave up to £1,470 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
£170 GBP