Radiant|Lab Grown|IGI

12.07ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG660444435

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG660444435

Diamond specifications and retailer prices

From £1,649 GBP
$2,210 USD
As of October 31, 2026
Save £6,150 GBP (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £7,799 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.07ct lab-grown radiant diamond

This 12.07ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG660444435 or 660444435. Listed at 17 retailers as of October 31, 2026, with prices from £1,649 to £7,799, a £6,150 spread on the same certified stone. Brilliant Earth lists it at £7,799. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.07
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660444435
Dimensions16.54 × 11.11 × 7.32 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.54 mm11.11 mm12.07 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660444435
Side View
Table 63.0%Crown 43.7°Girdle: MediumPavilion 31.7°Culet: NoneDepth 65.9%

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 31
Current: £7,799 GBP|Low: £1,586 GBP|High: £7,807 GBP|Avg: £3,421 GBP|-0.1%
Brilliant Earth
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
November 1, 2026
Retailer 7£1,586 GBP
Retailer 9£1,649 GBP
Retailer 14£1,932 GBP
Retailer 11£2,159 GBP
Retailer 13£2,178 GBP
Retailer 10£2,252 GBP
Retailer 12£2,357 GBP
Retailer 8£2,401 GBP
Retailer 2£2,821 GBP
Retailer 3£3,151 GBP
Retailer 4£4,103 GBP
Retailer 6£5,087 GBP
Retailer 5£5,339 GBP
Retailer 15£6,265 GBP
Brilliant Earth£7,799 GBP

36 data points across 15 retailers

17 retailers£1,649 GBP to £7,799 GBP

A
Cheapest Retailer
-
£1,649 GBP
$2,210 USD
A
Retailer 2
-
£1,932 GBP
$2,589 USD
View
A
Retailer 3
-
£2,159 GBP
View
B+
Retailer 4
-
£2,178 GBP
$2,918 USD
View
A
Retailer 5
-
£2,252 GBP
$3,018 USD
View
A
Retailer 6
-
£2,333 GBP
$3,126 USD
View
A
Retailer 7
-
£2,357 GBP
ZAR 51,018 ZAR
View
A
Retailer 8
-
£2,401 GBP
€3,064 EUR
View
A
Retailer 9
-
£2,821 GBP
A$5,815 AUD
View
B+
Retailer 10
-
£3,151 GBP
View
B+
Retailer 11
-
£3,920 GBP
$5,253 USD
View
B+
Retailer 12
-
£4,103 GBP
$5,497 USD
View
Retailer 13
-
£4,708 GBP
$6,309 USD
View
Price last confirmed 69 days ago
B
Retailer 14
-
£5,087 GBP
SGD 9,211 SGD
View
B
Retailer 15
-
£5,339 GBP
$7,153 USD
View
B
Retailer 16
-
£6,265 GBP
$8,395 USD
View
Most Expensive
B
Brilliant Earth
15379964A · Oct 31
£7,799 GBP
$10,450 USD
View
16 more retailers have this diamond
Prices start from £1,649 GBPSave up to £6,150 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
12.07ct Radiant
£1,649 GBP