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Round|Lab Grown|IGI

10.04ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG811652821

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811652821

Diamond specifications and retailer prices

From £1,352 GBP
$1,801 USD
As of October 29, 2026
Save £4,527 GBP (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,880 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.04ct lab-grown round diamond

This 10.04ct 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 LG811652821 or 811652821. Listed at 18 retailers as of October 29, 2026, with prices from £1,352 to £5,880, a £4,527 spread on the same certified stone. Brilliant Earth lists it at £5,880. 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

10.04
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811652821
Dimensions14.01 × 13.97 × 8.35 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
14.01 mm13.97 mm10.04 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811652821
Side View
Table 59.0%Crown 32.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.7%

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: Oct 29
Current: £5,880 GBP|Low: £1,399 GBP|High: £6,060 GBP|Avg: £2,497 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
October 30, 2026
Retailer 2£1,404 GBP
Retailer 10£1,471 GBP
Retailer 4£1,514 GBP
Retailer 11£1,569 GBP
Retailer 9£1,611 GBP
Retailer 3£1,973 GBP
Retailer 5£2,216 GBP
Retailer 8£2,397 GBP
Retailer 6£2,449 GBP
Retailer 12£2,461 GBP
Retailer 7£4,265 GBP
Brilliant Earth£5,880 GBP

36 data points across 12 retailers

18 retailers£1,352 GBP to £5,880 GBP

A
Cheapest Retailer
-
£1,352 GBP
$1,801 USD
A
Retailer 2
-
£1,404 GBP
View
A
Retailer 3
-
£1,471 GBP
$1,959 USD
View
A
Retailer 4
-
£1,514 GBP
$2,016 USD
View
Final sale: no returns
A
Retailer 5
-
£1,569 GBP
$2,089 USD
View
Retailer 6
-
£1,569 GBP
$2,089 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
£1,611 GBP
$2,145 USD
View
A
Retailer 8
-
£1,973 GBP
$2,628 USD
View
A
Retailer 9
-
£2,216 GBP
View
A
Retailer 10
-
£2,397 GBP
$3,192 USD
View
B+
Retailer 11
-
£2,449 GBP
€3,106 EUR
View
B+
Retailer 12
-
£2,461 GBP
$3,277 USD
View
B+
Retailer 13
-
£2,941 GBP
$3,916 USD
View
Retailer 14
-
£4,265 GBP
$5,680 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
£4,512 GBP
$6,009 USD
View
B
Retailer 16
-
£5,499 GBP
$7,323 USD
View
B
Retailer 17
-
£5,798 GBP
$7,721 USD
View
Most Expensive
B
Brilliant Earth
20482640A · Oct 29
£5,880 GBP
$7,830 USD
View
17 more retailers have this diamond
Prices start from £1,352 GBPSave up to £4,527 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
10.04ct Round
£1,352 GBP