CaratHunter
Plans
Radiant|Lab Grown|IGI

1.05ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG497157592

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

Certificate IGI LG497157592

Diamond specifications and retailer prices

From £644 GBP
As of November 4, 2026
Save £570 GBP (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,036 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 1.05ct lab-grown radiant diamond

This 1.05ct 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 LG497157592 or 497157592. Listed at 13 retailers as of November 3, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497157592
Dimensions7.00 × 5.12 × 3.27 mm
L/W Ratio1.37
Culet sizePointed
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
7.00 mm5.12 mm1.05 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497157592
Side View
Table 68.0%Crown 41.7°Girdle: Slightly ThickPavilion 30.2°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,036 GBP|Low: £644 GBP|High: £3,536 GBP|Avg: £1,590 GBP
NZ Jewellers
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
November 4, 2026
Retailer 11£644 GBP
Retailer 7£699 GBP
Retailer 10£936 GBP
Retailer 14£1,019 GBP
Retailer 12£1,086 GBP
Retailer 15£1,086 GBP
Retailer 5£1,215 GBP
Retailer 6£1,490 GBP
Retailer 13£1,720 GBP
Retailer 2£1,741 GBP
Retailer 8£1,999 GBP
Retailer 4£2,024 GBP
NZ Jewellers£2,036 GBP
Retailer 3£2,619 GBP
Retailer 9£3,490 GBP

31 data points across 15 retailers

13 retailers£644 GBP to £1,215 GBP

B
Cheapest Retailer
-
£644 GBP
B
Retailer 2
-
£936 GBP
View
B
Retailer 3
-
£1,019 GBP
View
Retailer 4
-
£1,086 GBP
View
Price last confirmed 23 days ago
B
Retailer 5
-
£1,086 GBP
View
B
Retailer 6
-
£1,215 GBP
View
Retailer 7
-
£1,720 GBP
View
Price under review
Retailer 8
-
£1,741 GBP
View
Price under review
Retailer 9
-
£1,999 GBP
View
Price under review
Retailer 10
-
£2,024 GBP
View
Price under review
Most Expensive
NZ Jewellers
c96c93f9-6efc-43b7-b8e4-4098585fe69b · Nov 4
£2,036 GBP
$2,749 USD
View
Price under review
10 more retailers have this diamond
Prices start from £644 GBPSave up to £570 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.

B
1.05ct Radiant
£644 GBP