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Round|Lab Grown|IGI

6.72ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG604301151

Shape and cutting style on the report: Round brilliant

Certificate IGI LG604301151

Diamond specifications and retailer prices

From £778 GBP
$1,042 USD
As of October 29, 2026
Save £2,287 GBP (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £9,672 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 6.72ct lab-grown round diamond

This 6.72ct 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 LG604301151 or 604301151. Listed at 12 retailers as of October 27, 2026, with a 294% 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

6.72
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604301151
Dimensions11.94 × 11.99 × 7.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.94 mm11.99 mm6.72 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604301151
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: £9,672 GBP|Low: £622 GBP|High: £9,964 GBP|Avg: £2,693 GBP|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 11£778 GBP
Retailer 13£871 GBP
Retailer 15£1,118 GBP
Retailer 2£1,375 GBP
Retailer 12£1,439 GBP
Retailer 8£1,440 GBP
Retailer 10£1,671 GBP
Retailer 7£1,704 GBP
Retailer 14£1,886 GBP
Retailer 3£3,032 GBP
Retailer 9£3,064 GBP
Retailer 6£3,103 GBP
Retailer 5£3,467 GBP
Retailer 4£4,255 GBP
Brilliant Earth£9,672 GBP

22 data points across 15 retailers

12 retailers£778 GBP to £3,064 GBP

A
Cheapest Retailer
-
£778 GBP
$1,042 USD
A
Retailer 2
-
£846 GBP
$1,134 USD
View
A
Retailer 3
-
£871 GBP
$1,167 USD
View
Final sale: no returns
A
Retailer 4
-
£1,118 GBP
HK$11,700 HKD
View
A
Retailer 5
-
£1,375 GBP
€1,755 EUR
View
B+
Retailer 6
-
£1,439 GBP
$1,928 USD
View
A
Retailer 7
-
£1,440 GBP
$1,930 USD
View
Retailer 8
-
£1,671 GBP
A$3,444 AUD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
£1,691 GBP
$2,266 USD
View
B+
Retailer 10
-
£1,886 GBP
$2,527 USD
View
B
Retailer 11
-
£3,064 GBP
View
Most Expensive
Brilliant Earth
15433416A · Oct 28
£9,672 GBP
$12,960 USD
View
Price under review
11 more retailers have this diamond
Prices start from £778 GBPSave up to £2,287 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
6.72ct Round
£778 GBP