Radiant|Lab Grown|IGI

1.03ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG638428849

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

Certificate IGI LG638428849

Diamond specifications and retailer prices

From £141 GBP
$189 USD
As of November 1, 2026
Save £949 GBP (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,090 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638428849 or 638428849. Listed at 12 retailers as of October 31, 2026, with prices from £141 to £1,090, a £949 spread on the same certified stone. Do Amore Diamonds lists it at £1,090. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638428849
Dimensions7.13 × 5.16 × 3.34 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.13 mm5.16 mm1.03 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638428849
Side View
Table 66.0%Crown 46.9°Girdle: THN-MEDPavilion 33.9°Culet: NoneDepth 64.7%

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: Nov 1
Current: £1,090 GBP|Low: £139 GBP|High: £1,090 GBP|Avg: £424 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 11£141 GBP
Retailer 3£172 GBP
Retailer 6£234 GBP
Retailer 12£258 GBP
Retailer 2£268 GBP
Retailer 13£323 GBP
Retailer 8£325 GBP
Retailer 5£474 GBP
Retailer 9£478 GBP
Retailer 10£500 GBP
Retailer 4£630 GBP
Retailer 7£731 GBP
Do Amore Diamonds£1,090 GBP

34 data points across 13 retailers

12 retailers£141 GBP to £1,090 GBP

A
Cheapest Retailer
-
£141 GBP
$189 USD
A
Retailer 2
-
£172 GBP
$231 USD
View
A
Retailer 3
-
£234 GBP
View
A
Retailer 4
-
£258 GBP
$346 USD
View
A
Retailer 5
-
£268 GBP
ZAR 5,809 ZAR
View
B+
Retailer 6
-
£323 GBP
$433 USD
View
Retailer 7
-
£325 GBP
$435 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
£478 GBP
$641 USD
View
B
Retailer 9
-
£500 GBP
$670 USD
View
B
Retailer 10
-
£630 GBP
$843 USD
View
B
Retailer 11
-
£731 GBP
View
Most Expensive
B
Do Amore Diamonds
27-13C735C20 · Oct 31
£1,090 GBP
$1,460 USD
View
11 more retailers have this diamond
Prices start from £141 GBPSave up to £949 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
1.03ct Radiant
£141 GBP