Round|Lab Grown|IGI

8.61ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG829602163

Shape and cutting style on the report: Round brilliant

Certificate IGI LG829602163

Diamond specifications and retailer prices

From £1,049 GBP
$1,405 USD
As of November 1, 2026
Save £5,258 GBP (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £6,306 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.61ct lab-grown round diamond

This 8.61ct 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 LG829602163 or 829602163. Listed at 4 retailers as of October 31, 2026, with prices from £1,049 to £6,306, a £5,258 spread on the same certified stone. Brilliant Earth lists it at £6,306. 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

8.61
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829602163
Dimensions13.24 × 13.27 × 7.99 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
13.24 mm13.27 mm8.61 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829602163
Side View
Table 61.0%Crown 33.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £6,306 GBP|Low: £1,049 GBP|High: £6,306 GBP|Avg: £3,398 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3£1,049 GBP
Retailer 2£1,547 GBP
Retailer 4£4,332 GBP
Brilliant Earth£6,306 GBP

36 data points across 4 retailers

4 retailers£1,049 GBP to £6,306 GBP

A
Cheapest Retailer
-
£1,049 GBP
$1,405 USD
Final sale: no returns
A
Retailer 2
-
£1,547 GBP
View
Retailer 3
-
£4,332 GBP
$5,805 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
21224470A · Oct 31
£6,306 GBP
$8,450 USD
View
3 more retailers have this diamond
Prices start from £1,049 GBPSave up to £5,258 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
8.61ct Round
£1,049 GBP