Radiant|Lab Grown|IGI

6.60ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG735525999

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

Certificate IGI LG735525999

Diamond specifications and retailer prices

From £659 GBP
$883 USD
As of October 30, 2026
Save £5,192 GBP (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £5,851 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.6ct lab-grown radiant diamond

This 6.6ct 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 LG735525999 or 735525999. Listed at 12 retailers as of October 30, 2026, with prices from £659 to £5,851, a £5,192 spread on the same certified stone. Do Amore Diamonds lists it at £5,851. 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

6.60
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735525999
Dimensions12.95 × 9.18 × 6.29 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.95 mm9.18 mm6.60 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735525999
Side View
Table 67.0%Crown 45.8°Girdle: MediumPavilion 36°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £5,851 GBP|Low: £659 GBP|High: £6,508 GBP|Avg: £2,107 GBP|-10.1%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
October 31, 2026
Retailer 16£659 GBP
Retailer 14£716 GBP
Retailer 11£906 GBP
Retailer 6£1,130 GBP
Retailer 8£1,218 GBP
Retailer 18£1,227 GBP
Retailer 13£1,228 GBP
Retailer 7£1,327 GBP
Retailer 2£1,563 GBP
Retailer 17£1,581 GBP
Retailer 15£1,700 GBP
Retailer 9£2,093 GBP
Retailer 3£2,200 GBP
Retailer 5£2,444 GBP
Retailer 12£2,876 GBP
Retailer 10£3,317 GBP
Retailer 4£4,239 GBP
Do Amore Diamonds£5,851 GBP

34 data points across 18 retailers

12 retailers£659 GBP to £5,851 GBP

A
Cheapest Retailer
-
£659 GBP
$883 USD
A
Retailer 2
-
£716 GBP
$960 USD
View
A
Retailer 3
-
£906 GBP
View
B+
Retailer 4
-
£1,227 GBP
$1,644 USD
View
B+
Retailer 5
-
£1,228 GBP
$1,645 USD
View
B+
Retailer 6
-
£1,563 GBP
A$3,222 AUD
View
A
Retailer 7
-
£1,581 GBP
$2,119 USD
View
A
Retailer 8
-
£1,700 GBP
$2,278 USD
View
B+
Retailer 9
-
£2,200 GBP
$2,948 USD
View
B+
Retailer 10
-
£2,876 GBP
View
B
Retailer 11
-
£4,239 GBP
$5,680 USD
View
Most Expensive
B
Do Amore Diamonds
27-76256656C · Oct 31
£5,851 GBP
$7,840 USD
View
11 more retailers have this diamond
Prices start from £659 GBPSave up to £5,192 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
6.60ct Radiant
£659 GBP