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Round|Lab Grown|IGI

6.80ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG596344366

Shape and cutting style on the report: Round brilliant

Certificate IGI LG596344366

Diamond specifications and retailer prices

From £822 GBP
$1,102 USD
As of October 29, 2026
Save £4,387 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,209 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 LG596344366 or 596344366. Listed at 22 retailers as of October 29, 2026, with prices from £822 to £5,209, a £4,387 spread on the same certified stone. Brilliant Earth lists it at £5,209. 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 angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596344366
Dimensions12.19 × 12.12 × 7.46 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
12.19 mm12.12 mm6.80 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596344366
Side View
Table 58.0%Crown 34.7°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 61.4%

Caratlytics Score

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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: £5,209 GBP|Low: £704 GBP|High: £5,687 GBP|Avg: £2,080 GBP|-1.6%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 22
October 30, 2026
Retailer 7£822 GBP
Retailer 20£895 GBP
Retailer 4£921 GBP
Retailer 3£954 GBP
Retailer 21£954 GBP
Retailer 22£1,255 GBP
Retailer 8£1,314 GBP
Retailer 5£1,358 GBP
Retailer 2£1,377 GBP
Retailer 16£1,378 GBP
Retailer 11£1,519 GBP
Retailer 19£1,766 GBP
Retailer 6£1,788 GBP
Retailer 13£1,846 GBP
Retailer 9£1,935 GBP
Retailer 10£2,265 GBP
Retailer 14£2,763 GBP
Retailer 12£2,898 GBP
Retailer 18£3,070 GBP
Retailer 15£3,336 GBP
Retailer 17£5,027 GBP
Brilliant Earth£5,209 GBP

33 data points across 22 retailers

22 retailers£822 GBP to £5,209 GBP

A
Cheapest Retailer
-
£822 GBP
$1,102 USD
A
Retailer 2
-
£895 GBP
$1,199 USD
View
A
Retailer 3
-
£921 GBP
$1,234 USD
View
Final sale: no returns
Retailer 4
-
£954 GBP
$1,278 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£954 GBP
$1,278 USD
View
Retailer 6
-
£1,255 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
£1,314 GBP
$1,760 USD
View
A
Retailer 8
-
£1,358 GBP
$1,820 USD
View
A
Retailer 9
-
£1,377 GBP
View
A
Retailer 10
-
£1,378 GBP
€1,759 EUR
View
B+
Retailer 11
-
£1,519 GBP
$2,035 USD
View
Retailer 12
-
£1,766 GBP
A$3,641 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£1,788 GBP
$2,396 USD
View
B+
Retailer 14
-
£1,846 GBP
ZAR 39,962 ZAR
View
B+
Retailer 15
-
£1,935 GBP
$2,593 USD
View
B+
Retailer 16
-
£2,265 GBP
$3,035 USD
View
B
Retailer 17
-
£2,763 GBP
$3,702 USD
View
Retailer 18
-
£2,898 GBP
$3,883 USD
View
Price last confirmed 19 days ago
B
Retailer 19
-
£3,070 GBP
View
B
Retailer 20
-
£3,336 GBP
$4,469 USD
View
B
Retailer 21
-
£5,027 GBP
$6,735 USD
View
Most Expensive
B
Brilliant Earth
7956783A · Oct 29
£5,209 GBP
$6,980 USD
View
21 more retailers have this diamond
Prices start from £822 GBPSave up to £4,387 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
£822 GBP