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10.53ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG838618926

Shape and cutting style on the report: Round brilliant

Certificate IGI LG838618926

Diamond specifications and retailer prices

From £1,282 GBP
$1,718 USD
As of October 31, 2026
Save £5,129 GBP (80%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £6,411 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.53ct lab-grown round diamond

This 10.53ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838618926 or 838618926. Listed at 3 retailers as of October 31, 2026, with prices from £1,282 to £6,411, a £5,129 spread on the same certified stone. Brilliant Earth lists it at £6,411. 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

10.53
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838618926
Dimensions14.02 × 14.10 × 8.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.02 mm14.10 mm10.53 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838618926
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £6,411 GBP|Low: £1,282 GBP|High: £6,411 GBP|Avg: £3,401 GBP
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3£1,282 GBP
Retailer 2£1,892 GBP
Brilliant Earth£6,411 GBP

30 data points across 3 retailers

3 retailers£1,282 GBP to £6,411 GBP

A
Cheapest Retailer
-
£1,282 GBP
$1,718 USD
Final sale: no returns
A
Retailer 2
-
£1,892 GBP
View
Most Expensive
B
Brilliant Earth
21551108A · Oct 31
£6,411 GBP
$8,590 USD
View
2 more retailers have this diamond
Prices start from £1,282 GBPSave up to £5,129 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
10.53ct Round
£1,282 GBP