Oval|Lab Grown|IGI

1.20ct D VVS1 Oval Lab Grown Diamond

ID • D/VVS1 • IGI LG844657840

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844657840

Diamond specifications and retailer prices

From £150 GBP
$200 USD
As of October 23, 2026
Save £1,299 GBP (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,449 GBP at Brilliant Earth · As of October 26, 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 LG844657840 or 844657840. Listed at 19 retailers as of October 23, 2026, with prices from £150 to £1,449, a £1,299 spread on the same certified stone. Brilliant Earth lists it at £1,449. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844657840
Dimensions8.98 × 5.76 × 3.66 mm
L/W Ratio1.56
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.98 mm5.76 mm1.20 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844657840
Side View
Table 62.0%Crown 36.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.5%

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 23
Current: £428 GBP|Low: £150 GBP|High: £892 GBP|Avg: £426 GBP|-0.3%
Retailer 1
Retailer 2
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Retailer 5
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Retailer 11
Retailer 12
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Retailer 19
October 26, 2026
Retailer 11£150 GBP
Retailer 12£165 GBP
Retailer 8£173 GBP
Retailer 2£185 GBP
Retailer 3£185 GBP
Retailer 16£209 GBP
Retailer 18£249 GBP
Retailer 10£315 GBP
Retailer 14£324 GBP
Retailer 5£424 GBP
Retailer 1£428 GBP
Retailer 9£456 GBP
Retailer 13£590 GBP
Retailer 7£594 GBP
Retailer 15£598 GBP
Retailer 6£625 GBP
Retailer 17£628 GBP
Retailer 19£666 GBP
Retailer 4£865 GBP

7 data points across 19 retailers

19 retailers£150 GBP to £1,449 GBP

A
Cheapest Retailer
-
£150 GBP
$200 USD
A
Retailer 2
-
£173 GBP
$230 USD
View
A
Retailer 3
-
£185 GBP
$246 USD
View
A
Retailer 4
-
£185 GBP
$246 USD
View
A
Retailer 5
-
£209 GBP
View
B+
Retailer 6
-
£249 GBP
$332 USD
View
A
Retailer 7
-
£315 GBP
ZAR 6,779 ZAR
View
A
Retailer 8
-
£324 GBP
View
A
Retailer 9
-
£424 GBP
$565 USD
View
A
Retailer 10
-
£428 GBP
$570 USD
View
B+
Retailer 11
-
£456 GBP
A$934 AUD
View
B+
Retailer 12
-
£590 GBP
$786 USD
View
B+
Retailer 13
-
£594 GBP
$791 USD
View
B+
Retailer 14
-
£598 GBP
SGD 1,076 SGD
View
B+
Retailer 15
-
£625 GBP
$832 USD
View
B+
Retailer 16
-
£628 GBP
$837 USD
View
B
Retailer 17
-
£666 GBP
A$1,364 AUD
View
B
Retailer 18
-
£865 GBP
View
Most Expensive
B
Brilliant Earth
22282408A · Oct 26
£1,449 GBP
$1,930 USD
View
18 more retailers have this diamond
Prices start from £150 GBPSave up to £1,299 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
£150 GBP