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Round|Lab Grown|IGI

10.54ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG621448995

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621448995

Diamond specifications and retailer prices

From £2,770 GBP
$3,712 USD
As of October 26, 2026
Save £12,283 GBP (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £15,053 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.54ct lab-grown round diamond

This 10.54ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621448995 or 621448995. Listed at 8 retailers as of October 26, 2026, with prices from £2,770 to £15,053, a £12,283 spread on the same certified stone. Brilliant Earth lists it at £15,053. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.54
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621448995
Dimensions13.89 × 13.78 × 8.75 mm
L/W Ratio1.01
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
13.89 mm13.78 mm10.54 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621448995
Side View
Table 58.0%Crown 35.4°Girdle: ThickPavilion 41.4°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
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 26
Current: £15,053 GBP|Low: £2,770 GBP|High: £15,516 GBP|Avg: £5,398 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
October 29, 2026
Retailer 10£2,770 GBP
Retailer 7£2,772 GBP
Retailer 12£2,807 GBP
Retailer 4£2,830 GBP
Retailer 2£2,935 GBP
Retailer 13£3,249 GBP
Retailer 6£4,377 GBP
Retailer 9£4,811 GBP
Retailer 8£5,348 GBP
Retailer 5£6,513 GBP
Retailer 3£6,963 GBP
Retailer 11£9,284 GBP
Brilliant Earth£15,053 GBP

17 data points across 13 retailers

8 retailers£2,770 GBP to £15,053 GBP

A
Cheapest Retailer
-
£2,770 GBP
$3,712 USD
A
Retailer 2
-
£2,772 GBP
$3,714 USD
View
A
Retailer 3
-
£2,935 GBP
€3,745 EUR
View
B+
Retailer 4
-
£4,377 GBP
$5,865 USD
View
B+
Retailer 5
-
£4,811 GBP
$6,446 USD
View
B+
Retailer 6
-
£5,348 GBP
$7,166 USD
View
B
Retailer 7
-
£9,473 GBP
$12,693 USD
View
Most Expensive
B
Brilliant Earth
10794899A · Oct 29
£15,053 GBP
$20,170 USD
View
7 more retailers have this diamond
Prices start from £2,770 GBPSave up to £12,283 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
10.54ct Round
£2,770 GBP