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10.35ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG772653490

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772653490

Diamond specifications and retailer prices

From £1,742 GBP
$2,320 USD
As of October 29, 2026
Save £4,403 GBP (72%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £6,145 GBP at Adiamor · As of October 30, 2026
View at Adiamor

About this 10.35ct lab-grown round diamond

This 10.35ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG772653490 or 772653490. Listed at 7 retailers as of October 29, 2026, with prices from £1,742 to £6,145, a £4,403 spread on the same certified stone. Adiamor lists it at £6,145. 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

10.35
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772653490
Dimensions13.89 × 13.96 × 8.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.89 mm13.96 mm10.35 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772653490
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

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: £6,145 GBP|Low: £1,742 GBP|High: £6,145 GBP|Avg: £3,089 GBP
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 3£1,742 GBP
Retailer 7£2,027 GBP
Retailer 2£2,214 GBP
Retailer 4£2,311 GBP
Retailer 6£2,719 GBP
Retailer 8£2,757 GBP
Retailer 5£4,220 GBP
Adiamor£6,145 GBP

38 data points across 8 retailers

7 retailers£1,742 GBP to £6,145 GBP

A
Cheapest Retailer
-
£1,742 GBP
$2,320 USD
A
Retailer 2
-
£2,027 GBP
$2,699 USD
View
A
Retailer 3
-
£2,214 GBP
View
B+
Retailer 4
-
£2,311 GBP
$3,078 USD
View
B+
Retailer 5
-
£2,719 GBP
$3,621 USD
View
Retailer 6
-
£4,220 GBP
$5,620 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Adiamor
D-77941722 · Oct 30
£6,145 GBP
$8,183 USD
View
6 more retailers have this diamond
Prices start from £1,742 GBPSave up to £4,403 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
10.35ct Round
£1,742 GBP