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Round|Lab Grown|IGI

8.63ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG680590213

Shape and cutting style on the report: Round brilliant

Certificate IGI LG680590213

Diamond specifications and retailer prices

From £1,310 GBP
$1,755 USD
As of October 31, 2026
Save £8,355 GBP (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £9,665 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.63ct lab-grown round diamond

This 8.63ct 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 LG680590213 or 680590213. Listed at 17 retailers as of October 31, 2026, with prices from £1,310 to £9,665, a £8,355 spread on the same certified stone. Brilliant Earth lists it at £9,665. 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

8.63
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680590213
Dimensions13.30 × 13.39 × 7.91 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.30 mm13.39 mm8.63 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680590213
Side View
Table 58.0%Crown 32.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.3%

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 31
Current: £9,665 GBP|Low: £1,244 GBP|High: £12,411 GBP|Avg: £3,132 GBP|-22.1%
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
November 1, 2026
Retailer 5£1,244 GBP
Retailer 8£1,310 GBP
Retailer 6£1,658 GBP
Retailer 13£1,864 GBP
Retailer 9£1,979 GBP
Retailer 10£2,106 GBP
Retailer 7£2,186 GBP
Retailer 12£2,199 GBP
Retailer 3£3,181 GBP
Retailer 11£3,536 GBP
Retailer 2£3,791 GBP
Retailer 4£4,148 GBP
Brilliant Earth£9,665 GBP

43 data points across 13 retailers

17 retailers£1,310 GBP to £9,665 GBP

Retailer 1
-
£1,029 GBP
$1,379 USD
Price last confirmed 25 days ago
Retailer 2
-
£1,167 GBP
$1,563 USD
View
Price last confirmed 26 days ago
Retailer 3
-
£1,244 GBP
$1,667 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
£1,310 GBP
$1,755 USD
View
A
Retailer 5
-
£1,658 GBP
View
B+
Retailer 6
-
£1,864 GBP
$2,497 USD
View
A
Retailer 7
-
£1,979 GBP
ZAR 42,839 ZAR
View
B+
Retailer 8
-
£2,106 GBP
€2,687 EUR
View
B+
Retailer 9
-
£2,186 GBP
A$4,507 AUD
View
B+
Retailer 10
-
£2,199 GBP
$2,947 USD
View
Retailer 11
-
£2,332 GBP
$3,124 USD
View
Price last confirmed 25 days ago
B+
Retailer 12
-
£3,181 GBP
$4,262 USD
View
B
Retailer 13
-
£3,536 GBP
$4,738 USD
View
B
Retailer 14
-
£3,791 GBP
View
B
Retailer 15
-
£4,148 GBP
$5,558 USD
View
Retailer 16
-
£4,706 GBP
$6,305 USD
View
Price last confirmed 104 days ago
Most Expensive
B
Brilliant Earth
21027140A · Oct 31
£9,665 GBP
$12,950 USD
View
16 more retailers have this diamond
Prices start from £1,310 GBPSave up to £8,355 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
8.63ct Round
£1,310 GBP