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Radiant|Lab Grown|IGI

10.03ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG704516381

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG704516381

Diamond specifications and retailer prices

From £993 GBP
$1,330 USD
As of October 30, 2026
Save £4,478 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £5,471 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.03ct lab-grown radiant diamond

This 10.03ct lab-grown radiant 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 LG704516381 or 704516381. Listed at 20 retailers as of October 30, 2026, with prices from £993 to £5,471, a £4,478 spread on the same certified stone. Brilliant Earth lists it at £5,471. 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

10.03
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704516381
Dimensions15.37 × 10.79 × 6.99 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.37 mm10.79 mm10.03 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704516381
Side View
Table 68.0%Crown 23°Girdle: ThickPavilion 34.6°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £5,471 GBP|Low: £953 GBP|High: £5,635 GBP|Avg: £2,400 GBP|-2.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 16£993 GBP
Retailer 4£1,080 GBP
Retailer 6£1,111 GBP
Retailer 17£1,152 GBP
Retailer 15£1,280 GBP
Retailer 5£1,585 GBP
Retailer 18£1,648 GBP
Retailer 12£1,782 GBP
Retailer 11£1,836 GBP
Retailer 14£1,946 GBP
Retailer 2£2,134 GBP
Retailer 3£2,158 GBP
Retailer 7£2,775 GBP
Retailer 9£3,415 GBP
Retailer 8£3,551 GBP
Retailer 13£4,015 GBP
Retailer 10£4,045 GBP
Brilliant Earth£5,471 GBP

32 data points across 18 retailers

20 retailers£993 GBP to £5,471 GBP

A
Cheapest Retailer
-
£993 GBP
$1,330 USD
A
Retailer 2
-
£1,080 GBP
$1,447 USD
View
A
Retailer 3
-
£1,111 GBP
$1,488 USD
View
Final sale: no returns
A
Retailer 4
-
£1,152 GBP
$1,543 USD
View
Retailer 5
-
£1,152 GBP
$1,543 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
£1,280 GBP
$1,715 USD
View
A
Retailer 7
-
£1,585 GBP
$2,124 USD
View
B+
Retailer 8
-
£1,648 GBP
$2,208 USD
View
A
Retailer 9
-
£1,782 GBP
ZAR 38,580 ZAR
View
B+
Retailer 10
-
£1,836 GBP
€2,343 EUR
View
B+
Retailer 11
-
£1,946 GBP
$2,608 USD
View
Retailer 12
-
£1,946 GBP
$2,608 USD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
£2,134 GBP
A$4,398 AUD
View
B+
Retailer 14
-
£2,158 GBP
$2,892 USD
View
B+
Retailer 15
-
£2,775 GBP
View
B
Retailer 16
-
£3,415 GBP
$4,576 USD
View
B
Retailer 17
-
£3,551 GBP
$4,758 USD
View
B
Retailer 18
-
£4,015 GBP
$5,380 USD
View
B
Retailer 19
-
£4,045 GBP
$5,419 USD
View
Most Expensive
B
Brilliant Earth
14451386A · Oct 31
£5,471 GBP
$7,330 USD
View
19 more retailers have this diamond
Prices start from £993 GBPSave up to £4,478 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
10.03ct Radiant
£993 GBP