Radiant|Lab Grown|IGI

1.03ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG541252323

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

Certificate IGI LG541252323

Diamond specifications and retailer prices

From £121 GBP
$163 USD
As of November 2, 2026
Save £1,048 GBP (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £6,570 GBP at Calavera New York · As of October 16, 2026
View at Calavera New York

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG541252323 or 541252323. Listed at 24 retailers as of November 2, 2026, with a 863% 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

1.03
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541252323
Dimensions6.97 × 5.01 × 3.35 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.97 mm5.01 mm1.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541252323
Side View
Table 66.5%Crown 40.4°Girdle: Slightly ThickPavilion 30.4°Culet: NoneDepth 66.9%

Caratlytics Score

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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: Nov 2
Current: £6,570 GBP|Low: £101 GBP|High: £35,344 GBP|Avg: £3,879 GBP|+4937.7%
Calavera New York
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November 2, 2026
Retailer 16£121 GBP
Retailer 21£136 GBP
Retailer 9£142 GBP
Retailer 7£151 GBP
Retailer 20£200 GBP
Retailer 13£204 GBP
Retailer 6£204 GBP
Retailer 14£256 GBP
Retailer 22£288 GBP
Retailer 18£300 GBP
Retailer 15£314 GBP
Retailer 12£365 GBP
Retailer 19£406 GBP
Retailer 2£513 GBP
Retailer 8£536 GBP
Retailer 3£665 GBP
Retailer 4£780 GBP
Retailer 5£804 GBP
Retailer 17£1,170 GBP
Calavera New York£6,570 GBP
Retailer 11£10,391 GBP
Retailer 10£12,095 GBP

32 data points across 22 retailers

24 retailers£121 GBP to £1,170 GBP

A
Cheapest Retailer
-
£121 GBP
$163 USD
A
Retailer 2
-
£136 GBP
$182 USD
View
Final sale: no returns
A
Retailer 3
-
£142 GBP
$190 USD
View
A
Retailer 4
-
£151 GBP
$203 USD
View
Retailer 5
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£153 GBP
HK$1,600 HKD
View
Price last confirmed 18 days ago
A
Retailer 6
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£200 GBP
$269 USD
View
A
Retailer 7
-
£204 GBP
View
B+
Retailer 8
-
£204 GBP
$274 USD
View
Retailer 9
-
£256 GBP
View
Price last confirmed 19 days ago
B+
Retailer 10
-
£288 GBP
ZAR 6,239 ZAR
View
B+
Retailer 11
-
£300 GBP
View
Retailer 12
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£361 GBP
SGD 655 SGD
View
Price last confirmed 20 days ago
Retailer 13
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£365 GBP
$490 USD
View
Price last confirmed 35 days ago
B+
Retailer 14
-
£406 GBP
A$839 AUD
View
B+
Retailer 15
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£445 GBP
View
B
Retailer 16
-
£513 GBP
$688 USD
View
B
Retailer 17
-
£536 GBP
$719 USD
View
B
Retailer 18
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£665 GBP
$893 USD
View
B
Retailer 19
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£780 GBP
View
B
Retailer 20
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£804 GBP
$1,079 USD
View
B
Retailer 21
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£1,170 GBP
$1,570 USD
View
Most Expensive
Calavera New York
08ddf5c6-0113-4995-8920-549589c02ead · Oct 16
£6,570 GBP
$8,816 USD
View
Price under review
21 more retailers have this diamond
Prices start from £121 GBPSave up to £1,048 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
£121 GBP