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Radiant|Lab Grown|IGI

1.04ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG512220510

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

Certificate IGI LG512220510

Diamond specifications and retailer prices

From £459 GBP
As of November 4, 2026
Save £744 GBP (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,017 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 1.04ct lab-grown radiant diamond

This 1.04ct 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 LG512220510 or 512220510. Listed at 13 retailers as of November 3, 2026, with a 162% 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

1.04
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.8°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512220510
Dimensions6.89 × 5.23 × 3.36 mm
L/W Ratio1.32
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
6.89 mm5.23 mm1.04 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512220510
Side View
Table 63.5%Crown 34.8°Girdle: THN-MEDPavilion 31.8°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,017 GBP|Low: £459 GBP|High: £3,503 GBP|Avg: £1,701 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 3, 2026
Retailer 9£459 GBP
Retailer 10£927 GBP
Retailer 13£1,010 GBP
Retailer 14£1,038 GBP
Retailer 11£1,076 GBP
Retailer 4£1,204 GBP
Retailer 7£1,231 GBP
Retailer 5£1,477 GBP
Retailer 12£1,705 GBP
Retailer 2£1,979 GBP
Retailer 3£2,006 GBP
NZ Jewellers£2,017 GBP
Retailer 15£2,596 GBP
Retailer 6£3,081 GBP
Retailer 8£3,457 GBP

23 data points across 15 retailers

13 retailers£459 GBP to £1,204 GBP

B+
Cheapest Retailer
-
£459 GBP
B
Retailer 2
-
£927 GBP
View
B
Retailer 3
-
£1,010 GBP
View
B
Retailer 4
-
£1,038 GBP
View
Final sale: no returns
Retailer 5
-
£1,076 GBP
View
Price last confirmed 23 days ago
B
Retailer 6
-
£1,076 GBP
View
B
Retailer 7
-
£1,204 GBP
View
Retailer 8
-
£1,705 GBP
View
Price under review
Retailer 9
-
£1,979 GBP
View
Price under review
Retailer 10
-
£2,006 GBP
View
Price under review
Most Expensive
NZ Jewellers
24ba2a0c-90ab-4949-a6ac-6d63ebc23ebc · Nov 4
£2,017 GBP
$2,723 USD
View
Price under review
10 more retailers have this diamond
Prices start from £459 GBPSave up to £744 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+
1.04ct Radiant
£459 GBP