Radiant|Lab Grown|IGI

6.67ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG600336031

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

Certificate IGI LG600336031

Diamond specifications and retailer prices

From £629 GBP
$843 USD
As of October 30, 2026
Save £3,685 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,314 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.67ct lab-grown radiant diamond

This 6.67ct 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 LG600336031 or 600336031. Listed at 20 retailers as of October 29, 2026, with prices from £629 to £4,314, a £3,685 spread on the same certified stone. Brilliant Earth lists it at £4,314. 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

6.67
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600336031
Dimensions13.03 × 9.31 × 6.36 mm
L/W Ratio1.40
Culet sizePointed
Top View
13.03 mm9.31 mm6.67 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600336031
Side View
Table 66.0%Crown 43.3°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.3%

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: £4,314 GBP|Low: £622 GBP|High: £4,314 GBP|Avg: £1,527 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 4£629 GBP
Retailer 19£685 GBP
Retailer 9£705 GBP
Retailer 6£730 GBP
Retailer 21£730 GBP
Retailer 3£786 GBP
Retailer 16£862 GBP
Retailer 7£1,113 GBP
Retailer 2£1,122 GBP
Retailer 10£1,175 GBP
Retailer 17£1,266 GBP
Retailer 18£1,352 GBP
Retailer 15£1,413 GBP
Retailer 20£1,678 GBP
Retailer 8£2,002 GBP
Retailer 5£2,053 GBP
Retailer 12£2,285 GBP
Retailer 11£2,311 GBP
Retailer 14£2,531 GBP
Retailer 13£2,752 GBP
Brilliant Earth£4,314 GBP

37 data points across 21 retailers

20 retailers£629 GBP to £4,314 GBP

A
Cheapest Retailer
-
£629 GBP
$843 USD
A
Retailer 2
-
£685 GBP
$918 USD
View
A
Retailer 3
-
£730 GBP
$978 USD
View
Retailer 4
-
£730 GBP
$978 USD
View
Price last confirmed 14 days ago
Retailer 5
-
£786 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
£862 GBP
$1,155 USD
View
A
Retailer 7
-
£1,113 GBP
$1,491 USD
View
A
Retailer 8
-
£1,122 GBP
View
B+
Retailer 9
-
£1,175 GBP
$1,575 USD
View
Retailer 10
-
£1,266 GBP
€1,615 EUR
View
Price last confirmed 8 days ago
Retailer 11
-
£1,352 GBP
A$2,787 AUD
View
Price last confirmed 10 days ago
A
Retailer 12
-
£1,413 GBP
ZAR 30,584 ZAR
View
B+
Retailer 13
-
£1,678 GBP
$2,249 USD
View
B+
Retailer 14
-
£2,002 GBP
$2,682 USD
View
B+
Retailer 15
-
£2,053 GBP
$2,751 USD
View
B+
Retailer 16
-
£2,285 GBP
$3,062 USD
View
Retailer 17
-
£2,311 GBP
$3,096 USD
View
Price last confirmed 20 days ago
B+
Retailer 18
-
£2,531 GBP
$3,391 USD
View
B+
Retailer 19
-
£2,752 GBP
View
Most Expensive
B
Brilliant Earth
8407499A · Oct 29
£4,314 GBP
$5,780 USD
View
19 more retailers have this diamond
Prices start from £629 GBPSave up to £3,685 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
6.67ct Radiant
£629 GBP