Oval|Lab Grown|IGI

1.20ct D VVS1 Oval Lab Grown Diamond

EX • D/VVS1 • IGI LG816639329

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816639329

Diamond specifications and retailer prices

From £183 GBP
$244 USD
As of October 30, 2026
Save £1,274 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,457 GBP at Brilliant Earth · As of October 29, 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 LG816639329 or 816639329. Listed at 21 retailers as of October 29, 2026, with prices from £183 to £1,457, a £1,274 spread on the same certified stone. Brilliant Earth lists it at £1,457. 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 angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816639329
Dimensions8.84 × 5.91 × 3.68 mm
L/W Ratio1.50
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
8.84 mm5.91 mm1.20 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816639329
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.3%

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: £1,457 GBP|Low: £168 GBP|High: £1,457 GBP|Avg: £548 GBP
Brilliant Earth
Retailer 2
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Retailer 19
October 30, 2026
Retailer 2£183 GBP
Retailer 3£186 GBP
Retailer 17£231 GBP
Retailer 14£233 GBP
Retailer 9£252 GBP
Retailer 8£315 GBP
Retailer 16£342 GBP
Retailer 7£369 GBP
Retailer 10£398 GBP
Retailer 11£419 GBP
Retailer 6£430 GBP
Retailer 18£455 GBP
Retailer 5£599 GBP
Retailer 19£601 GBP
Retailer 15£659 GBP
Retailer 12£693 GBP
Retailer 4£873 GBP
Retailer 13£940 GBP
Brilliant Earth£1,457 GBP

35 data points across 19 retailers

21 retailers£183 GBP to £1,457 GBP

A
Cheapest Retailer
-
£183 GBP
$244 USD
Final sale: no returns
A
Retailer 2
-
£186 GBP
$248 USD
View
Retailer 3
-
£206 GBP
$274 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
£231 GBP
HK$2,400 HKD
View
A
Retailer 5
-
£233 GBP
View
B+
Retailer 6
-
£252 GBP
$335 USD
View
Retailer 7
-
£252 GBP
$336 USD
View
Price last confirmed 40 days ago
Retailer 8
-
£252 GBP
$336 USD
View
Price last confirmed 31 days ago
Retailer 9
-
£315 GBP
ZAR 6,779 ZAR
View
Price last confirmed 7 days ago
A
Retailer 10
-
£342 GBP
View
A
Retailer 11
-
£369 GBP
$492 USD
View
Retailer 12
-
£398 GBP
$530 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£430 GBP
$572 USD
View
B+
Retailer 14
-
£455 GBP
A$933 AUD
View
B+
Retailer 15
-
£599 GBP
$798 USD
View
B+
Retailer 16
-
£601 GBP
$800 USD
View
B
Retailer 17
-
£659 GBP
SGD 1,186 SGD
View
B
Retailer 18
-
£693 GBP
$923 USD
View
B
Retailer 19
-
£873 GBP
View
B
Retailer 20
-
£940 GBP
$1,252 USD
View
Most Expensive
B
Brilliant Earth
20592173A · Oct 29
£1,457 GBP
$1,940 USD
View
20 more retailers have this diamond
Prices start from £183 GBPSave up to £1,274 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
£183 GBP