Round|Lab Grown|IGI

8.15ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG597360518

Shape and cutting style on the report: Round brilliant

Certificate IGI LG597360518

Diamond specifications and retailer prices

From £939 GBP
$1,258 USD
As of October 29, 2026
Save £5,815 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £6,754 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 8.15ct lab-grown round diamond

This 8.15ct 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 LG597360518 or 597360518. Listed at 20 retailers as of October 29, 2026, with prices from £939 to £6,754, a £5,815 spread on the same certified stone. Brilliant Earth lists it at £6,754. 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

8.15
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597360518
Dimensions12.96 × 12.89 × 7.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.96 mm12.89 mm8.15 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597360518
Side View
Table 57.0%Crown 35.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £6,754 GBP|Low: £939 GBP|High: £7,635 GBP|Avg: £2,210 GBP|-4.8%
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 4£939 GBP
Retailer 18£1,022 GBP
Retailer 8£1,051 GBP
Retailer 11£1,089 GBP
Retailer 21£1,089 GBP
Retailer 13£1,217 GBP
Retailer 20£1,433 GBP
Retailer 5£1,472 GBP
Retailer 15£1,529 GBP
Retailer 9£1,725 GBP
Retailer 2£1,787 GBP
Retailer 16£1,827 GBP
Retailer 17£2,017 GBP
Retailer 6£2,030 GBP
Retailer 3£2,041 GBP
Retailer 12£3,126 GBP
Retailer 7£3,165 GBP
Retailer 10£3,252 GBP
Retailer 19£3,518 GBP
Retailer 14£3,821 GBP
Brilliant Earth£6,754 GBP

37 data points across 21 retailers

20 retailers£939 GBP to £6,754 GBP

A
Cheapest Retailer
-
£939 GBP
$1,258 USD
A
Retailer 2
-
£1,022 GBP
$1,369 USD
View
A
Retailer 3
-
£1,089 GBP
$1,459 USD
View
Retailer 4
-
£1,089 GBP
$1,459 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
£1,217 GBP
$1,630 USD
View
Retailer 6
-
£1,433 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
£1,472 GBP
$1,972 USD
View
A
Retailer 8
-
£1,529 GBP
View
B+
Retailer 9
-
£1,725 GBP
$2,311 USD
View
A
Retailer 10
-
£1,787 GBP
€2,280 EUR
View
A
Retailer 11
-
£1,827 GBP
ZAR 39,538 ZAR
View
Retailer 12
-
£2,017 GBP
A$4,157 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£2,030 GBP
$2,720 USD
View
B+
Retailer 14
-
£2,041 GBP
$2,735 USD
View
B+
Retailer 15
-
£3,126 GBP
$4,188 USD
View
B
Retailer 16
-
£3,165 GBP
$4,241 USD
View
Retailer 17
-
£3,252 GBP
$4,357 USD
View
Price last confirmed 20 days ago
B
Retailer 18
-
£3,518 GBP
View
B
Retailer 19
-
£3,821 GBP
$5,120 USD
View
Most Expensive
B
Brilliant Earth
8131894A · Oct 29
£6,754 GBP
$9,050 USD
View
19 more retailers have this diamond
Prices start from £939 GBPSave up to £5,815 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
8.15ct Round
£939 GBP