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Round|Lab Grown|IGI

10.09ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG717553137

Shape and cutting style on the report: Round brilliant

Certificate IGI LG717553137

Diamond specifications and retailer prices

From £1,158 GBP
$1,551 USD
As of October 29, 2026
Save £4,045 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,203 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 10.09ct lab-grown round diamond

This 10.09ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG717553137 or 717553137. Listed at 17 retailers as of October 29, 2026, with prices from £1,158 to £5,203, a £4,045 spread on the same certified stone. Adiamor lists it at £5,203. 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

10.09
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717553137
Dimensions13.88 × 13.94 × 8.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.88 mm13.94 mm10.09 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717553137
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
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 29
Current: £5,203 GBP|Low: £925 GBP|High: £5,203 GBP|Avg: £2,564 GBP
Adiamor
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
October 31, 2026
Retailer 10£1,158 GBP
Retailer 15£1,259 GBP
Retailer 5£1,296 GBP
Retailer 12£1,343 GBP
Retailer 9£1,470 GBP
Retailer 14£1,707 GBP
Retailer 8£1,894 GBP
Retailer 2£2,105 GBP
Retailer 13£2,114 GBP
Retailer 3£2,158 GBP
Retailer 4£2,517 GBP
Retailer 6£3,917 GBP
Retailer 7£4,719 GBP
Retailer 11£4,896 GBP
Adiamor£5,203 GBP

42 data points across 15 retailers

17 retailers£1,158 GBP to £5,203 GBP

A
Cheapest Retailer
-
£1,158 GBP
$1,551 USD
A
Retailer 2
-
£1,259 GBP
$1,687 USD
View
A
Retailer 3
-
£1,296 GBP
$1,736 USD
View
Final sale: no returns
Retailer 4
-
£1,343 GBP
$1,799 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
£1,343 GBP
$1,799 USD
View
A
Retailer 6
-
£1,470 GBP
$1,970 USD
View
A
Retailer 7
-
£1,707 GBP
$2,287 USD
View
A
Retailer 8
-
£1,894 GBP
View
B+
Retailer 9
-
£2,105 GBP
€2,686 EUR
View
B+
Retailer 10
-
£2,114 GBP
$2,833 USD
View
A
Retailer 11
-
£2,158 GBP
$2,891 USD
View
Retailer 12
-
£2,437 GBP
$3,265 USD
View
Price last confirmed 45 days ago
B+
Retailer 13
-
£2,517 GBP
$3,372 USD
View
B
Retailer 14
-
£3,917 GBP
$5,248 USD
View
B
Retailer 15
-
£4,719 GBP
$6,322 USD
View
B
Retailer 16
-
£4,896 GBP
$6,560 USD
View
Most Expensive
B
Adiamor
D-70036414 · Oct 31
£5,203 GBP
$6,971 USD
View
16 more retailers have this diamond
Prices start from £1,158 GBPSave up to £4,045 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
10.09ct Round
£1,158 GBP