Radiant|Lab Grown|IGI

1.05ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG831657198

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

Certificate IGI LG831657198

Diamond specifications and retailer prices

From £152 GBP
$203 USD
As of October 30, 2026
Save £748 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,455 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831657198 or 831657198. Listed at 21 retailers as of October 30, 2026, with a 494% 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
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831657198
Dimensions7.27 × 4.96 × 3.33 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.27 mm4.96 mm1.05 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831657198
Side View
Table 62.0%Crown 44.1°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 67.1%

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: Oct 30
Current: £1,455 GBP|Low: £146 GBP|High: £1,545 GBP|Avg: £467 GBP|-5.8%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 21
October 31, 2026
Retailer 4£152 GBP
Retailer 12£169 GBP
Retailer 21£176 GBP
Retailer 3£188 GBP
Retailer 5£188 GBP
Retailer 7£214 GBP
Retailer 11£253 GBP
Retailer 13£278 GBP
Retailer 14£348 GBP
Retailer 15£357 GBP
Retailer 2£388 GBP
Retailer 9£422 GBP
Retailer 18£429 GBP
Retailer 17£496 GBP
Retailer 16£507 GBP
Retailer 20£608 GBP
Retailer 6£668 GBP
Retailer 10£796 GBP
Retailer 19£838 GBP
Retailer 8£899 GBP
Do Amore Diamonds£1,455 GBP

39 data points across 21 retailers

21 retailers£152 GBP to £899 GBP

A
Cheapest Retailer
-
£152 GBP
$203 USD
A
Retailer 2
-
£169 GBP
$227 USD
View
Final sale: no returns
A
Retailer 3
-
£176 GBP
$236 USD
View
A
Retailer 4
-
£188 GBP
$252 USD
View
A
Retailer 5
-
£188 GBP
$252 USD
View
A
Retailer 6
-
£214 GBP
$287 USD
View
A
Retailer 7
-
£253 GBP
$339 USD
View
A
Retailer 8
-
£278 GBP
View
Retailer 9
-
£348 GBP
$466 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
£357 GBP
ZAR 7,730 ZAR
View
B+
Retailer 11
-
£388 GBP
View
B+
Retailer 12
-
£422 GBP
$565 USD
View
Retailer 13
-
£429 GBP
$575 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
£496 GBP
A$1,023 AUD
View
B+
Retailer 15
-
£507 GBP
A$1,045 AUD
View
B
Retailer 16
-
£608 GBP
$814 USD
View
B
Retailer 17
-
£668 GBP
$895 USD
View
B
Retailer 18
-
£796 GBP
$1,067 USD
View
Retailer 19
-
£838 GBP
View
Price last confirmed 10 days ago
B
Retailer 20
-
£899 GBP
$1,205 USD
View
Most Expensive
Do Amore Diamonds
27-CD9C9A964 · Oct 31
£1,455 GBP
$1,950 USD
View
Price under review
20 more retailers have this diamond
Prices start from £152 GBPSave up to £748 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
1.05ct Radiant
£152 GBP