Round|Lab Grown|IGI

10.04ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG628404041

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628404041

Diamond specifications and retailer prices

From £1,604 GBP
$2,149 USD
As of October 29, 2026
Save £9,755 GBP (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £11,359 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 LG628404041 or 628404041. Listed at 17 retailers as of October 29, 2026, with prices from £1,604 to £11,359, a £9,755 spread on the same certified stone. Brilliant Earth lists it at £11,359. 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 angle31.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628404041
Dimensions14.06 × 14.03 × 8.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.06 mm14.03 mm10.04 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628404041
Side View
Table 61.0%Crown 31.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 58.4%

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: £11,359 GBP|Low: £1,540 GBP|High: £11,359 GBP|Avg: £2,853 GBP
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
Retailer 17
October 30, 2026
Retailer 11£1,604 GBP
Retailer 2£1,666 GBP
Retailer 7£1,746 GBP
Retailer 4£1,796 GBP
Retailer 8£1,861 GBP
Retailer 12£1,861 GBP
Retailer 3£1,985 GBP
Retailer 6£2,212 GBP
Retailer 10£2,551 GBP
Retailer 15£2,558 GBP
Retailer 16£2,723 GBP
Retailer 17£2,908 GBP
Retailer 13£2,953 GBP
Retailer 9£3,080 GBP
Retailer 5£5,276 GBP
Retailer 14£5,847 GBP
Brilliant Earth£11,359 GBP

43 data points across 17 retailers

17 retailers£1,604 GBP to £11,359 GBP

A
Cheapest Retailer
-
£1,604 GBP
$2,149 USD
A
Retailer 2
-
£1,666 GBP
View
Retailer 3
-
£1,746 GBP
$2,339 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
£1,796 GBP
$2,407 USD
View
Final sale: no returns
A
Retailer 5
-
£1,861 GBP
$2,493 USD
View
Retailer 6
-
£1,861 GBP
$2,493 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
£1,985 GBP
$2,660 USD
View
A
Retailer 8
-
£2,212 GBP
$2,964 USD
View
B+
Retailer 9
-
£2,551 GBP
View
B+
Retailer 10
-
£2,558 GBP
$3,427 USD
View
B+
Retailer 11
-
£2,723 GBP
$3,649 USD
View
Retailer 12
-
£2,908 GBP
$3,897 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
£2,953 GBP
€3,768 EUR
View
B
Retailer 14
-
£5,276 GBP
$7,070 USD
View
B
Retailer 15
-
£5,847 GBP
$7,835 USD
View
B
Retailer 16
-
£6,506 GBP
$8,717 USD
View
Most Expensive
B
Brilliant Earth
20602229A · Oct 29
£11,359 GBP
$15,220 USD
View
16 more retailers have this diamond
Prices start from £1,604 GBPSave up to £9,755 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
£1,604 GBP