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Round|Lab Grown|IGI

8.50ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG589382442

Shape and cutting style on the report: Round brilliant

Certificate IGI LG589382442

Diamond specifications and retailer prices

From £1,265 GBP
$1,695 USD
As of October 31, 2026
Save £5,736 GBP (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £7,001 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.5ct lab-grown round diamond

This 8.5ct 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 LG589382442 or 589382442. Listed at 19 retailers as of October 31, 2026, with prices from £1,265 to £7,001, a £5,736 spread on the same certified stone. Brilliant Earth lists it at £7,001. 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

8.50
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589382442
Dimensions13.07 × 12.99 × 8.06 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
13.07 mm12.99 mm8.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589382442
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £7,001 GBP|Low: £1,095 GBP|High: £7,874 GBP|Avg: £2,920 GBP|-11.1%
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
Retailer 16
November 1, 2026
Retailer 7£1,095 GBP
Retailer 11£1,265 GBP
Retailer 3£1,524 GBP
Retailer 2£1,594 GBP
Retailer 6£1,796 GBP
Retailer 10£1,862 GBP
Retailer 12£1,903 GBP
Retailer 9£2,103 GBP
Retailer 14£2,115 GBP
Retailer 4£3,257 GBP
Retailer 16£3,428 GBP
Retailer 13£3,666 GBP
Retailer 8£3,809 GBP
Retailer 5£3,986 GBP
Retailer 15£4,276 GBP
Brilliant Earth£7,001 GBP

40 data points across 16 retailers

19 retailers£1,265 GBP to £7,001 GBP

Retailer 1
-
£1,007 GBP
$1,349 USD
Price last confirmed 39 days ago
Retailer 2
-
£1,096 GBP
$1,468 USD
View
Price last confirmed 39 days ago
Retailer 3
-
£1,152 GBP
$1,544 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
£1,265 GBP
$1,695 USD
View
A
Retailer 5
-
£1,524 GBP
$2,042 USD
View
A
Retailer 6
-
£1,594 GBP
View
B+
Retailer 7
-
£1,796 GBP
$2,406 USD
View
A
Retailer 8
-
£1,862 GBP
€2,376 EUR
View
A
Retailer 9
-
£1,903 GBP
ZAR 41,198 ZAR
View
B+
Retailer 10
-
£2,103 GBP
A$4,335 AUD
View
B+
Retailer 11
-
£2,115 GBP
$2,834 USD
View
Retailer 12
-
£2,190 GBP
$2,934 USD
View
Price last confirmed 34 days ago
B
Retailer 13
-
£3,257 GBP
$4,364 USD
View
B+
Retailer 14
-
£3,428 GBP
$4,593 USD
View
B
Retailer 15
-
£3,666 GBP
View
Retailer 16
-
£3,809 GBP
$5,104 USD
View
Price last confirmed 21 days ago
B
Retailer 17
-
£3,986 GBP
$5,340 USD
View
Retailer 18
-
£4,276 GBP
$5,730 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
7715407A · Oct 31
£7,001 GBP
$9,380 USD
View
18 more retailers have this diamond
Prices start from £1,265 GBPSave up to £5,736 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
8.50ct Round
£1,265 GBP