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Round|Lab Grown|IGI

8.01ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG817689580

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817689580

Diamond specifications and retailer prices

From £670 GBP
$898 USD
As of November 1, 2026
Save £3,315 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,985 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 8.01ct lab-grown round diamond

This 8.01ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG817689580 or 817689580. Listed at 14 retailers as of November 1, 2026, with prices from £670 to £3,985, a £3,315 spread on the same certified stone. Rare Carat lists it at £3,985. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

8.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817689580
Dimensions13.08 × 13.03 × 7.65 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
13.08 mm13.03 mm8.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817689580
Side View
Table 60.0%Crown 32.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 58.5%

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: Nov 1
Current: £3,985 GBP|Low: £644 GBP|High: £4,008 GBP|Avg: £1,564 GBP|-0.6%
Rare Carat
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
November 2, 2026
Retailer 13£670 GBP
Retailer 3£730 GBP
Retailer 5£778 GBP
Retailer 12£778 GBP
Retailer 10£911 GBP
Retailer 7£925 GBP
Retailer 14£1,186 GBP
Retailer 8£1,193 GBP
Retailer 2£1,249 GBP
Retailer 11£1,731 GBP
Retailer 6£2,187 GBP
Retailer 4£2,485 GBP
Retailer 9£2,638 GBP
Rare Carat£3,985 GBP

39 data points across 14 retailers

14 retailers£670 GBP to £3,985 GBP

A
Cheapest Retailer
-
£670 GBP
$898 USD
A
Retailer 2
-
£730 GBP
$978 USD
View
A
Retailer 3
-
£778 GBP
$1,042 USD
View
Retailer 4
-
£778 GBP
$1,042 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
£911 GBP
$1,220 USD
View
A
Retailer 6
-
£925 GBP
View
A
Retailer 7
-
£1,186 GBP
$1,589 USD
View
A
Retailer 8
-
£1,193 GBP
View
B+
Retailer 9
-
£1,249 GBP
$1,673 USD
View
B
Retailer 10
-
£1,731 GBP
$2,319 USD
View
B
Retailer 11
-
£2,187 GBP
$2,930 USD
View
B
Retailer 12
-
£2,485 GBP
$3,330 USD
View
B
Retailer 13
-
£2,638 GBP
View
Most Expensive
B
Rare Carat
167308 · Nov 1
£3,985 GBP
$5,340 USD
View
13 more retailers have this diamond
Prices start from £670 GBPSave up to £3,315 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
8.01ct Round
£670 GBP