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Round|Lab Grown|IGI

10.00ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG691547069

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691547069

Diamond specifications and retailer prices

From £1,429 GBP
$1,915 USD
As of October 29, 2026
Save £9,885 GBP (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £11,314 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10ct lab-grown round diamond

This 10ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG691547069 or 691547069. Listed at 17 retailers as of October 29, 2026, with prices from £1,429 to £11,314, a £9,885 spread on the same certified stone. Brilliant Earth lists it at £11,314. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

10.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691547069
Dimensions14.00 × 14.08 × 8.20 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
14.00 mm14.08 mm10.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691547069
Side View
Table 59.0%Crown 31.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 58.4%

Caratlytics Score

How it works →
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: £11,314 GBP|Low: £1,429 GBP|High: £11,314 GBP|Avg: £3,187 GBP
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 30, 2026
Retailer 3£1,429 GBP
Retailer 2£1,484 GBP
Retailer 15£1,555 GBP
Retailer 6£1,599 GBP
Retailer 8£1,658 GBP
Retailer 13£1,784 GBP
Retailer 9£1,788 GBP
Retailer 5£1,970 GBP
Retailer 10£2,270 GBP
Retailer 14£2,370 GBP
Retailer 12£2,626 GBP
Retailer 16£2,722 GBP
Retailer 4£3,107 GBP
Retailer 11£4,759 GBP
Retailer 17£5,747 GBP
Retailer 7£5,804 GBP
Brilliant Earth£11,314 GBP

33 data points across 17 retailers

17 retailers£1,429 GBP to £11,314 GBP

A
Cheapest Retailer
-
£1,429 GBP
$1,915 USD
A
Retailer 2
-
£1,484 GBP
View
A
Retailer 3
-
£1,555 GBP
$2,083 USD
View
A
Retailer 4
-
£1,599 GBP
$2,143 USD
View
Final sale: no returns
A
Retailer 5
-
£1,658 GBP
$2,221 USD
View
A
Retailer 6
-
£1,784 GBP
$2,390 USD
View
Retailer 7
-
£1,788 GBP
$2,396 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
£1,970 GBP
$2,640 USD
View
B+
Retailer 9
-
£2,270 GBP
View
A
Retailer 10
-
£2,370 GBP
$3,175 USD
View
B+
Retailer 11
-
£2,626 GBP
€3,351 EUR
View
B+
Retailer 12
-
£2,722 GBP
$3,647 USD
View
B
Retailer 13
-
£3,107 GBP
$4,163 USD
View
B
Retailer 14
-
£4,759 GBP
View
B
Retailer 15
-
£5,747 GBP
$7,701 USD
View
B
Retailer 16
-
£5,804 GBP
$7,777 USD
View
Most Expensive
B
Brilliant Earth
16185040A · Oct 29
£11,314 GBP
$15,160 USD
View
16 more retailers have this diamond
Prices start from £1,429 GBPSave up to £9,885 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
10.00ct Round
£1,429 GBP