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9.53ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG586375712

Shape and cutting style on the report: Round brilliant

Certificate IGI LG586375712

Diamond specifications and retailer prices

From £966 GBP
$1,294 USD
As of October 29, 2026
Save £3,661 GBP (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,627 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 9.53ct lab-grown round diamond

This 9.53ct 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 LG586375712 or 586375712. Listed at 16 retailers as of October 29, 2026, with prices from £966 to £4,627, a £3,661 spread on the same certified stone. Brilliant Earth lists it at £4,627. 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

9.53
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586375712
Dimensions13.58 × 13.53 × 8.39 mm
L/W Ratio1.00
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
13.58 mm13.53 mm9.53 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586375712
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.6°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 29
Current: £4,627 GBP|Low: £966 GBP|High: £4,769 GBP|Avg: £2,200 GBP|-3.0%
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
October 31, 2026
Retailer 3£966 GBP
Retailer 12£1,051 GBP
Retailer 4£1,120 GBP
Retailer 15£1,120 GBP
Retailer 14£1,139 GBP
Retailer 9£1,250 GBP
Retailer 6£1,541 GBP
Retailer 10£1,573 GBP
Retailer 5£1,773 GBP
Retailer 2£1,837 GBP
Retailer 8£2,087 GBP
Retailer 16£2,099 GBP
Retailer 11£3,618 GBP
Retailer 13£4,157 GBP
Retailer 7£4,622 GBP
Brilliant Earth£4,627 GBP

40 data points across 16 retailers

16 retailers£966 GBP to £4,627 GBP

A
Cheapest Retailer
-
£966 GBP
$1,294 USD
A
Retailer 2
-
£1,051 GBP
$1,408 USD
View
A
Retailer 3
-
£1,120 GBP
$1,501 USD
View
Retailer 4
-
£1,120 GBP
$1,501 USD
View
Price last confirmed 20 days ago
Retailer 5
-
£1,139 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
£1,250 GBP
$1,675 USD
View
B+
Retailer 7
-
£1,541 GBP
$2,065 USD
View
B+
Retailer 8
-
£1,573 GBP
View
B+
Retailer 9
-
£1,773 GBP
$2,375 USD
View
B+
Retailer 10
-
£1,837 GBP
€2,344 EUR
View
B+
Retailer 11
-
£2,087 GBP
$2,797 USD
View
B+
Retailer 12
-
£2,099 GBP
$2,813 USD
View
B
Retailer 13
-
£3,618 GBP
View
B
Retailer 14
-
£4,157 GBP
$5,570 USD
View
B
Retailer 15
-
£4,622 GBP
$6,193 USD
View
Most Expensive
B
Brilliant Earth
7631652A · Oct 29
£4,627 GBP
$6,200 USD
View
15 more retailers have this diamond
Prices start from £966 GBPSave up to £3,661 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
9.53ct Round
£966 GBP