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Radiant|Lab Grown|IGI

8.60ct H SI1 Radiant Lab Grown Diamond

GD • H/SI1 • IGI LG583319381

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG583319381

Diamond specifications and retailer prices

From £1,204 GBP
$1,613 USD
As of November 2, 2026
Save £6,909 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £8,113 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 8.6ct lab-grown radiant diamond

This 8.6ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG583319381 or 583319381. Listed at 11 retailers as of November 2, 2026, with prices from £1,204 to £8,113, a £6,909 spread on the same certified stone. Do Amore Diamonds lists it at £8,113. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

8.60
Carat
H
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG583319381
Dimensions14.92 × 9.98 × 6.67 mm
L/W Ratio1.49
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
14.92 mm9.98 mm8.60 ctH / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG583319381
Side View
Table 65.0%Crown 43.7°Girdle: MediumPavilion 34.1°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
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: Nov 2
Current: £8,113 GBP|Low: £1,155 GBP|High: £8,113 GBP|Avg: £2,952 GBP
Do Amore Diamonds
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 9£1,204 GBP
Retailer 12£1,310 GBP
Retailer 13£1,712 GBP
Retailer 6£1,834 GBP
Retailer 4£2,186 GBP
Retailer 10£2,196 GBP
Retailer 7£2,198 GBP
Retailer 8£2,469 GBP
Retailer 11£2,889 GBP
Retailer 3£2,894 GBP
Retailer 2£4,402 GBP
Retailer 5£4,536 GBP
Do Amore Diamonds£8,113 GBP

34 data points across 13 retailers

11 retailers£1,204 GBP to £8,113 GBP

A
Cheapest Retailer
-
£1,204 GBP
$1,613 USD
B+
Retailer 2
-
£1,310 GBP
$1,755 USD
View
B+
Retailer 3
-
£1,712 GBP
$2,294 USD
View
B+
Retailer 4
-
£1,834 GBP
View
B+
Retailer 5
-
£2,196 GBP
$2,942 USD
View
B
Retailer 6
-
£2,198 GBP
$2,945 USD
View
B+
Retailer 7
-
£2,469 GBP
$3,308 USD
View
B
Retailer 8
-
£2,889 GBP
$3,871 USD
View
B
Retailer 9
-
£2,894 GBP
$3,878 USD
View
B
Retailer 10
-
£4,402 GBP
View
Most Expensive
C
Do Amore Diamonds
7-1574133 · Nov 2
£8,113 GBP
$10,870 USD
View
10 more retailers have this diamond
Prices start from £1,204 GBPSave up to £6,909 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
8.60ct Radiant
£1,204 GBP