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Round|Lab Grown|IGI

6.63ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG642457111

Shape and cutting style on the report: Round brilliant

Certificate IGI LG642457111

Diamond specifications and retailer prices

From £594 GBP
$796 USD
As of October 29, 2026
Save £4,682 GBP (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,277 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.63ct lab-grown round diamond

This 6.63ct lab-grown round 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 LG642457111 or 642457111. Listed at 10 retailers as of October 29, 2026, with prices from £594 to £5,277, a £4,682 spread on the same certified stone. Do Amore Diamonds lists it at £5,277. 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

6.63
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642457111
Dimensions12.10 × 12.04 × 7.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.10 mm12.04 mm6.63 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642457111
Side View
Table 56.0%Crown 34°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 61.3%

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 29
Current: £5,277 GBP|Low: £594 GBP|High: £5,874 GBP|Avg: £2,327 GBP|-10.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7£594 GBP
Retailer 3£999 GBP
Retailer 8£1,113 GBP
Retailer 5£1,116 GBP
Retailer 2£1,409 GBP
Retailer 6£1,639 GBP
Retailer 9£1,707 GBP
Retailer 4£2,866 GBP
Retailer 10£4,829 GBP
Do Amore Diamonds£5,277 GBP

30 data points across 10 retailers

10 retailers£594 GBP to £5,277 GBP

A
Cheapest Retailer
-
£594 GBP
$796 USD
A
Retailer 2
-
£999 GBP
View
B+
Retailer 3
-
£1,113 GBP
$1,491 USD
View
A
Retailer 4
-
£1,116 GBP
$1,495 USD
View
B+
Retailer 5
-
£1,409 GBP
A$2,905 AUD
View
B+
Retailer 6
-
£1,639 GBP
$2,196 USD
View
B+
Retailer 7
-
£1,707 GBP
$2,287 USD
View
B
Retailer 8
-
£2,866 GBP
View
B
Retailer 9
-
£4,829 GBP
$6,470 USD
View
Most Expensive
B
Do Amore Diamonds
27-4CBDDF0A5 · Oct 31
£5,277 GBP
$7,070 USD
View
9 more retailers have this diamond
Prices start from £594 GBPSave up to £4,682 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
6.63ct Round
£594 GBP