Radiant|Lab Grown|IGI

1.02ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG514252401

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

Certificate IGI LG514252401

Diamond specifications and retailer prices

From £548 GBP
$736 USD
As of October 30, 2026
Save £621 GBP (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,976 GBP at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 1.02ct lab-grown radiant diamond

This 1.02ct lab-grown radiant sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG514252401 or 514252401. Listed at 13 retailers as of October 29, 2026, with a 113% 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

1.02
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514252401
Dimensions7.18 × 4.91 × 3.30 mm
L/W Ratio1.46
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
7.18 mm4.91 mm1.02 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514252401
Side View
Table 62.5%Crown 37.7°Girdle: Slightly ThickPavilion 32°Culet: NoneDepth 67.2%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £1,976 GBP|Low: £527 GBP|High: £2,529 GBP|Avg: £1,213 GBP
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 9£548 GBP
Retailer 10£574 GBP
Retailer 3£597 GBP
Retailer 11£636 GBP
Retailer 4£768 GBP
Retailer 5£996 GBP
Retailer 13£1,031 GBP
Retailer 6£1,170 GBP
Retailer 8£1,567 GBP
Retailer 2£1,658 GBP
Retailer 12£1,789 GBP
Flawless Fine Jewelry£1,976 GBP
Retailer 7£2,502 GBP

21 data points across 13 retailers

13 retailers£548 GBP to £1,170 GBP

B+
Cheapest Retailer
-
£548 GBP
$736 USD
B
Retailer 2
-
£574 GBP
$770 USD
View
B
Retailer 3
-
£597 GBP
$801 USD
View
Retailer 4
-
£636 GBP
$854 USD
View
Price last confirmed 16 days ago
B
Retailer 5
-
£636 GBP
$854 USD
View
B
Retailer 6
-
£768 GBP
$1,030 USD
View
B
Retailer 7
-
£1,031 GBP
$1,384 USD
View
B
Retailer 8
-
£1,170 GBP
ZAR 25,360 ZAR
View
Retailer 9
-
£1,567 GBP
$2,103 USD
View
Price under review
Retailer 10
-
£1,658 GBP
A$3,423 AUD
View
Price under review
Retailer 11
-
£1,789 GBP
$2,401 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
00B3DEB77 · Oct 31
£1,976 GBP
View
Price under review
11 more retailers have this diamond
Prices start from £548 GBPSave up to £621 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+
1.02ct Radiant
£548 GBP