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Radiant|Lab Grown|IGI

6.50ct G VVS2 Radiant Lab Grown Diamond

EX • G/VVS2 • IGI LG646450965

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

Certificate IGI LG646450965

Diamond specifications and retailer prices

From £1,095 GBP
$1,467 USD
As of October 30, 2026
Save £1,646 GBP (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,347 GBP at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 6.5ct lab-grown radiant diamond

This 6.5ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG646450965 or 646450965. Listed at 7 retailers as of October 30, 2026, with a 150% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.50
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle28.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646450965
Dimensions13.64 × 9.12 × 6.07 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.64 mm9.12 mm6.50 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG646450965
Side View
Table 70.0%Crown 28.2°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 66.6%

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 30
Current: £4,347 GBP|Low: £1,055 GBP|High: £4,588 GBP|Avg: £2,123 GBP|-5.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 5£1,095 GBP
Retailer 4£1,128 GBP
Retailer 2£1,204 GBP
Retailer 6£2,228 GBP
Retailer 3£2,689 GBP
Rare Carat£4,347 GBP

40 data points across 6 retailers

7 retailers£1,095 GBP to £2,741 GBP

A
Cheapest Retailer
-
£1,095 GBP
$1,467 USD
B+
Retailer 2
-
£1,128 GBP
$1,512 USD
View
A
Retailer 3
-
£1,204 GBP
View
B+
Retailer 4
-
£2,228 GBP
$2,985 USD
View
B+
Retailer 5
-
£2,689 GBP
View
B+
Retailer 6
-
£2,741 GBP
$3,673 USD
View
Most Expensive
Rare Carat
616-5_l_646450965 · Oct 19
£4,347 GBP
$5,825 USD
View
Price last confirmed 13 days ago
6 more retailers have this diamond
Prices start from £1,095 GBPSave up to £1,646 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
6.50ct Radiant
£1,095 GBP