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Round|Lab Grown|IGI

11.03ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG607346440

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607346440

Diamond specifications and retailer prices

From £1,574 GBP
$2,109 USD
As of October 29, 2026
Save £8,830 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £10,404 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.03ct lab-grown round diamond

This 11.03ct 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 LG607346440 or 607346440. Listed at 14 retailers as of October 29, 2026, with prices from £1,574 to £10,404, a £8,830 spread on the same certified stone. Brilliant Earth lists it at £10,404. 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

11.03
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607346440
Dimensions14.40 × 14.31 × 8.71 mm
L/W Ratio1.01
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
14.40 mm14.31 mm11.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607346440
Side View
Table 59.0%Crown 33.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.7%

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: £10,404 GBP|Low: £1,474 GBP|High: £10,725 GBP|Avg: £3,229 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
October 31, 2026
Retailer 11£1,474 GBP
Retailer 14£1,574 GBP
Retailer 9£1,712 GBP
Retailer 4£1,826 GBP
Retailer 12£1,826 GBP
Retailer 7£1,948 GBP
Retailer 5£2,210 GBP
Retailer 8£2,503 GBP
Retailer 13£2,510 GBP
Retailer 3£2,854 GBP
Retailer 10£2,929 GBP
Retailer 2£2,974 GBP
Retailer 6£6,278 GBP
Brilliant Earth£10,404 GBP

38 data points across 14 retailers

14 retailers£1,574 GBP to £10,404 GBP

Retailer 1
-
£1,474 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
£1,574 GBP
$2,109 USD
View
A
Retailer 3
-
£1,712 GBP
$2,294 USD
View
A
Retailer 4
-
£1,826 GBP
$2,446 USD
View
Retailer 5
-
£1,826 GBP
$2,446 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
£1,948 GBP
$2,610 USD
View
A
Retailer 7
-
£2,210 GBP
$2,961 USD
View
B+
Retailer 8
-
£2,503 GBP
View
A
Retailer 9
-
£2,510 GBP
$3,363 USD
View
B+
Retailer 10
-
£2,854 GBP
$3,824 USD
View
B+
Retailer 11
-
£2,929 GBP
$3,924 USD
View
B+
Retailer 12
-
£2,974 GBP
€3,795 EUR
View
B
Retailer 13
-
£6,278 GBP
$8,412 USD
View
Most Expensive
B
Brilliant Earth
8716914A · Oct 31
£10,404 GBP
$13,940 USD
View
13 more retailers have this diamond
Prices start from £1,574 GBPSave up to £8,830 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
11.03ct Round
£1,574 GBP