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Round|Lab Grown|IGI

6.80ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG597392423

Shape and cutting style on the report: Round brilliant

Certificate IGI LG597392423

Diamond specifications and retailer prices

From £787 GBP
$1,054 USD
As of October 29, 2026
Save £6,109 GBP (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,896 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.8ct lab-grown round diamond

This 6.8ct 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 LG597392423 or 597392423. Listed at 12 retailers as of October 29, 2026, with prices from £787 to £6,896, a £6,109 spread on the same certified stone. Brilliant Earth lists it at £6,896. 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

6.80
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597392423
Dimensions12.10 × 12.01 × 7.51 mm
L/W Ratio1.01
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
12.10 mm12.01 mm6.80 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597392423
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £6,896 GBP|Low: £629 GBP|High: £7,426 GBP|Avg: £2,479 GBP|-7.1%
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 13£856 GBP
Retailer 12£881 GBP
Retailer 15£1,137 GBP
Retailer 8£1,391 GBP
Retailer 11£1,454 GBP
Retailer 9£1,455 GBP
Retailer 10£1,690 GBP
Retailer 7£1,722 GBP
Retailer 14£1,908 GBP
Retailer 3£3,062 GBP
Retailer 2£3,112 GBP
Retailer 4£3,173 GBP
Retailer 6£3,506 GBP
Retailer 5£4,301 GBP
Brilliant Earth£6,896 GBP

23 data points across 15 retailers

12 retailers£787 GBP to £6,896 GBP

A
Cheapest Retailer
-
£787 GBP
$1,054 USD
A
Retailer 2
-
£856 GBP
$1,147 USD
View
A
Retailer 3
-
£881 GBP
$1,181 USD
View
Final sale: no returns
A
Retailer 4
-
£1,137 GBP
HK$11,900 HKD
View
A
Retailer 5
-
£1,391 GBP
€1,775 EUR
View
B+
Retailer 6
-
£1,454 GBP
$1,948 USD
View
A
Retailer 7
-
£1,455 GBP
$1,950 USD
View
Retailer 8
-
£1,690 GBP
A$3,484 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£1,711 GBP
$2,292 USD
View
B+
Retailer 10
-
£1,908 GBP
$2,556 USD
View
B
Retailer 11
-
£3,112 GBP
View
Most Expensive
B
Brilliant Earth
15433910A · Oct 29
£6,896 GBP
$9,240 USD
View
11 more retailers have this diamond
Prices start from £787 GBPSave up to £6,109 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
6.80ct Round
£787 GBP