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Round|Lab Grown|IGI

10.45ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG605359646

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605359646

Diamond specifications and retailer prices

From £1,906 GBP
$2,554 USD
As of October 29, 2026
Save £13,020 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £14,927 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.45ct lab-grown round diamond

This 10.45ct 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 LG605359646 or 605359646. Listed at 21 retailers as of October 29, 2026, with prices from £1,906 to £14,927, a £13,020 spread on the same certified stone. Brilliant Earth lists it at £14,927. 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

10.45
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605359646
Dimensions13.95 × 13.87 × 8.64 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
13.95 mm13.87 mm10.45 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605359646
Side View
Table 58.0%Crown 35.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.1%

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 29
Current: £14,927 GBP|Low: £1,830 GBP|High: £14,956 GBP|Avg: £4,049 GBP
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
October 31, 2026
Retailer 13£1,906 GBP
Retailer 12£1,979 GBP
Retailer 11£2,074 GBP
Retailer 8£2,135 GBP
Retailer 15£2,211 GBP
Retailer 3£2,213 GBP
Retailer 10£2,974 GBP
Retailer 6£3,014 GBP
Retailer 17£3,039 GBP
Retailer 14£3,423 GBP
Retailer 7£3,444 GBP
Retailer 2£3,501 GBP
Retailer 4£4,104 GBP
Retailer 16£5,311 GBP
Retailer 5£5,612 GBP
Retailer 9£6,195 GBP
Brilliant Earth£14,927 GBP

34 data points across 17 retailers

21 retailers£1,906 GBP to £14,927 GBP

A
Cheapest Retailer
-
£1,906 GBP
$2,554 USD
A
Retailer 2
-
£1,979 GBP
View
A
Retailer 3
-
£2,074 GBP
$2,779 USD
View
A
Retailer 4
-
£2,135 GBP
$2,860 USD
View
Final sale: no returns
Retailer 5
-
£2,211 GBP
$2,963 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£2,211 GBP
$2,963 USD
View
A
Retailer 7
-
£2,213 GBP
$2,965 USD
View
A
Retailer 8
-
£2,511 GBP
$3,365 USD
View
A
Retailer 9
-
£2,974 GBP
View
A
Retailer 10
-
£3,014 GBP
$4,038 USD
View
A
Retailer 11
-
£3,039 GBP
$4,072 USD
View
A
Retailer 12
-
£3,423 GBP
ZAR 74,095 ZAR
View
Retailer 13
-
£3,444 GBP
$4,615 USD
View
Price last confirmed 10 days ago
A
Retailer 14
-
£3,501 GBP
€4,468 EUR
View
Retailer 15
-
£4,104 GBP
A$8,459 AUD
View
Price last confirmed 9 days ago
Retailer 16
-
£4,831 GBP
$6,473 USD
View
Price last confirmed 38 days ago
B+
Retailer 17
-
£5,311 GBP
$7,116 USD
View
B+
Retailer 18
-
£5,612 GBP
$7,519 USD
View
B
Retailer 19
-
£6,195 GBP
$8,300 USD
View
B
Retailer 20
-
£7,713 GBP
$10,335 USD
View
Most Expensive
B
Brilliant Earth
20602567A · Oct 29
£14,927 GBP
$20,000 USD
View
20 more retailers have this diamond
Prices start from £1,906 GBPSave up to £13,020 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
10.45ct Round
£1,906 GBP