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Round|Lab Grown|IGI

6.54ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG845612271

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845612271

Diamond specifications and retailer prices

From £869 GBP
HK$9,100 HKD
As of October 25, 2026
Save £1,185 GBP (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,907 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 6.54ct lab-grown round diamond

This 6.54ct 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 LG845612271 or 845612271. Listed at 10 retailers as of October 25, 2026, with a 136% 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

6.54
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845612271
Dimensions12.07 × 12.12 × 7.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.07 mm12.12 mm6.54 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845612271
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.8%

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 25
Current: £3,907 GBP|Low: £869 GBP|High: £3,907 GBP|Avg: £2,137 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 5£869 GBP
Retailer 9£1,070 GBP
Retailer 2£1,108 GBP
Retailer 7£1,184 GBP
Retailer 4£1,193 GBP
Retailer 6£2,054 GBP
Retailer 8£2,551 GBP
Retailer 3£2,762 GBP
Retailer 10£3,593 GBP
Rare Carat£3,907 GBP

12 data points across 10 retailers

10 retailers£869 GBP to £2,054 GBP

A
Cheapest Retailer
-
£869 GBP
HK$9,100 HKD
Retailer 2
-
£1,070 GBP
$1,434 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£1,108 GBP
View
Retailer 4
-
£1,184 GBP
$1,586 USD
View
Price last confirmed 9 days ago
Retailer 5
-
£1,193 GBP
€1,523 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£2,054 GBP
$2,752 USD
View
Retailer 7
-
£2,551 GBP
$3,418 USD
View
Price last confirmed 8 days ago
Retailer 8
-
£2,762 GBP
View
Price last confirmed 7 days ago
Retailer 9
-
£3,593 GBP
$4,814 USD
View
Price last confirmed 8 days ago
Most Expensive
Rare Carat
KI2716122KF845 · Oct 21
£3,907 GBP
$5,235 USD
View
Price last confirmed 11 days ago
9 more retailers have this diamond
Prices start from £869 GBPSave up to £1,185 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
6.54ct Round
£869 GBP