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Round|Lab Grown|IGI

6.53ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG778661454

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778661454

Diamond specifications and retailer prices

From £1,170 GBP
$1,568 USD
As of November 1, 2026
Save £1,859 GBP (61%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,929 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 6.53ct lab-grown round diamond

This 6.53ct 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 LG778661454 or 778661454. Listed at 9 retailers as of October 31, 2026, with a 159% 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

6.53
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778661454
Dimensions12.02 × 12.06 × 7.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.02 mm12.06 mm6.53 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778661454
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.3%

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: Nov 1
Current: £3,929 GBP|Low: £974 GBP|High: £3,970 GBP|Avg: £1,997 GBP|-1.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9£974 GBP
Retailer 4£1,170 GBP
Retailer 2£1,248 GBP
Retailer 7£1,350 GBP
Retailer 8£1,375 GBP
Retailer 3£2,087 GBP
Retailer 6£2,934 GBP
Retailer 5£3,030 GBP
Rare Carat£3,929 GBP

42 data points across 9 retailers

9 retailers£1,170 GBP to £3,030 GBP

Retailer 1
-
£974 GBP
HK$10,200 HKD
Price last confirmed 58 days ago
A
Retailer 2
-
£1,170 GBP
$1,568 USD
View
A
Retailer 3
-
£1,248 GBP
View
A
Retailer 4
-
£1,350 GBP
€1,723 EUR
View
B+
Retailer 5
-
£1,375 GBP
$1,842 USD
View
B+
Retailer 6
-
£2,087 GBP
$2,797 USD
View
B
Retailer 7
-
£2,934 GBP
View
B
Retailer 8
-
£3,030 GBP
$4,059 USD
View
Most Expensive
Rare Carat
85619_l_778661454 · Oct 21
£3,929 GBP
$5,265 USD
View
Price last confirmed 11 days ago
8 more retailers have this diamond
Prices start from £1,170 GBPSave up to £1,859 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
6.53ct Round
£1,170 GBP