Radiant|Lab Grown|IGI

1.00ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG826601190

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

Certificate IGI LG826601190

Diamond specifications and retailer prices

From £146 GBP
$195 USD
As of October 30, 2026
Save £734 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,396 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1ct lab-grown radiant diamond

This 1ct 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 LG826601190 or 826601190. Listed at 21 retailers as of October 30, 2026, with a 504% 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

1.00
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826601190
Dimensions7.07 × 5.07 × 3.22 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.07 mm5.07 mm1.00 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826601190
Side View
Table 61.0%Crown 42.7°Girdle: Slightly ThickPavilion 33°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
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: Oct 30
Current: £1,396 GBP|Low: £140 GBP|High: £1,478 GBP|Avg: £512 GBP|-5.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11£140 GBP
Retailer 3£163 GBP
Retailer 10£181 GBP
Retailer 5£342 GBP
Retailer 2£369 GBP
Retailer 9£410 GBP
Retailer 4£470 GBP
Retailer 6£487 GBP
Retailer 8£582 GBP
Retailer 7£799 GBP
Do Amore Diamonds£1,396 GBP

44 data points across 11 retailers

21 retailers£146 GBP to £879 GBP

Retailer 1
-
£140 GBP
$187 USD
Price last confirmed 30 days ago
A
Retailer 2
-
£146 GBP
$195 USD
View
A
Retailer 3
-
£163 GBP
$218 USD
View
Final sale: no returns
Retailer 4
-
£169 GBP
$226 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
£181 GBP
$242 USD
View
Retailer 6
-
£181 GBP
$242 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
£181 GBP
$242 USD
View
A
Retailer 8
-
£197 GBP
$264 USD
View
A
Retailer 9
-
£243 GBP
$326 USD
View
B+
Retailer 10
-
£342 GBP
ZAR 7,408 ZAR
View
B+
Retailer 11
-
£369 GBP
View
B+
Retailer 12
-
£410 GBP
$550 USD
View
B+
Retailer 13
-
£470 GBP
A$968 AUD
View
B+
Retailer 14
-
£487 GBP
A$1,004 AUD
View
B
Retailer 15
-
£582 GBP
$780 USD
View
Retailer 16
-
£640 GBP
$858 USD
View
Price last confirmed 31 days ago
B
Retailer 17
-
£640 GBP
$858 USD
View
B
Retailer 18
-
£769 GBP
$1,030 USD
View
B
Retailer 19
-
£799 GBP
View
B
Retailer 20
-
£879 GBP
$1,178 USD
View
Most Expensive
Do Amore Diamonds
27-2D450FCF4 · Oct 31
£1,396 GBP
$1,870 USD
View
Price under review
20 more retailers have this diamond
Prices start from £146 GBPSave up to £734 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
1.00ct Radiant
£146 GBP