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Radiant|Lab Grown|IGI

5.10ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG603351097

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

Certificate IGI LG603351097

Diamond specifications and retailer prices

From £499 GBP
$669 USD
As of October 28, 2026
Save £4,815 GBP (91%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £5,314 GBP at RockHer · As of October 29, 2026
View at RockHer

About this 5.1ct lab-grown radiant diamond

This 5.1ct 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 LG603351097 or 603351097. Listed at 7 retailers as of October 28, 2026, with prices from £499 to £5,314, a £4,815 spread on the same certified stone. RockHer lists it at £5,314. 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

5.10
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603351097
Dimensions12.25 × 8.41 × 5.68 mm
L/W Ratio1.46
Culet sizeNone
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
12.25 mm8.41 mm5.10 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603351097
Side View
Table 62.0%Crown 43.9°Girdle: MediumPavilion 34.5°Culet: NoneDepth 67.5%

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 28
Current: £1,157 GBP|Low: £499 GBP|High: £24,659 GBP|Avg: £5,774 GBP|-87.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
RockHer
October 30, 2026
Retailer 6£499 GBP
Retailer 3£849 GBP
Retailer 1£1,157 GBP
Retailer 5£1,372 GBP
Retailer 2£2,417 GBP
Retailer 4£3,956 GBP
RockHer£5,314 GBP

8 data points across 7 retailers

7 retailers£499 GBP to £5,314 GBP

A
Cheapest Retailer
-
£499 GBP
$669 USD
B+
Retailer 2
-
£849 GBP
$1,137 USD
View
A
Retailer 3
-
£1,157 GBP
A$2,384 AUD
View
B+
Retailer 4
-
£1,372 GBP
$1,838 USD
View
B
Retailer 5
-
£2,417 GBP
View
B
Retailer 6
-
£3,956 GBP
$5,300 USD
View
Most Expensive
C
RockHer
igi-23f66839 · Oct 29
£5,314 GBP
$7,120 USD
View
6 more retailers have this diamond
Prices start from £499 GBPSave up to £4,815 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
5.10ct Radiant
£499 GBP