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Round|Lab Grown|IGI

10.29ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG679516451

Shape and cutting style on the report: Round brilliant

Certificate IGI LG679516451

Diamond specifications and retailer prices

From £1,877 GBP
$2,515 USD
As of October 29, 2026
Save £12,826 GBP (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £14,703 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.29ct lab-grown round diamond

This 10.29ct 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 LG679516451 or 679516451. Listed at 22 retailers as of October 29, 2026, with prices from £1,877 to £14,703, a £12,826 spread on the same certified stone. Brilliant Earth lists it at £14,703. 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

10.29
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG679516451
Dimensions13.89 × 13.83 × 8.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.89 mm13.83 mm10.29 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG679516451
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.9%

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: £14,703 GBP|Low: £1,802 GBP|High: £14,725 GBP|Avg: £3,836 GBP
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 31, 2026
Retailer 14£1,877 GBP
Retailer 13£1,949 GBP
Retailer 12£2,043 GBP
Retailer 9£2,102 GBP
Retailer 16£2,178 GBP
Retailer 8£2,299 GBP
Retailer 10£2,476 GBP
Retailer 11£2,928 GBP
Retailer 5£2,967 GBP
Retailer 18£2,994 GBP
Retailer 15£3,371 GBP
Retailer 7£3,393 GBP
Retailer 2£3,449 GBP
Retailer 3£4,041 GBP
Retailer 17£5,160 GBP
Retailer 4£5,526 GBP
Retailer 6£6,107 GBP
Brilliant Earth£14,703 GBP

38 data points across 18 retailers

22 retailers£1,877 GBP to £14,703 GBP

A
Cheapest Retailer
-
£1,877 GBP
$2,515 USD
A
Retailer 2
-
£1,949 GBP
View
A
Retailer 3
-
£2,043 GBP
$2,737 USD
View
A
Retailer 4
-
£2,102 GBP
$2,817 USD
View
Final sale: no returns
A
Retailer 5
-
£2,178 GBP
$2,918 USD
View
Retailer 6
-
£2,178 GBP
$2,918 USD
View
Price last confirmed 19 days ago
Retailer 7
-
£2,178 GBP
$2,918 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
£2,299 GBP
$3,080 USD
View
A
Retailer 9
-
£2,476 GBP
$3,318 USD
View
A
Retailer 10
-
£2,928 GBP
View
A
Retailer 11
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£2,967 GBP
$3,976 USD
View
A
Retailer 12
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£2,994 GBP
$4,011 USD
View
A
Retailer 13
-
£3,371 GBP
ZAR 72,973 ZAR
View
Retailer 14
-
£3,393 GBP
$4,546 USD
View
Price last confirmed 10 days ago
A
Retailer 15
-
£3,449 GBP
€4,401 EUR
View
Retailer 16
-
£4,041 GBP
A$8,331 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
£4,129 GBP
View
B+
Retailer 18
-
£5,160 GBP
$6,914 USD
View
B+
Retailer 19
-
£5,526 GBP
$7,404 USD
View
B
Retailer 20
-
£6,107 GBP
$8,183 USD
View
B
Retailer 21
-
£7,598 GBP
$10,180 USD
View
Most Expensive
B
Brilliant Earth
20602092A · Oct 29
£14,703 GBP
$19,700 USD
View
21 more retailers have this diamond
Prices start from £1,877 GBPSave up to £12,826 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
10.29ct Round
£1,877 GBP