Radiant|Lab Grown|IGI

1.00ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG791627500

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

Certificate IGI LG791627500

Diamond specifications and retailer prices

From £163 GBP
$218 USD
As of October 30, 2026
Save £717 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,478 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 LG791627500 or 791627500. Listed at 20 retailers as of October 30, 2026, with a 441% 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 angle37.2°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791627500
Dimensions7.39 × 4.74 × 3.04 mm
L/W Ratio1.56
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm4.74 mm1.00 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791627500
Side View
Table 61.0%Crown 37.2°Girdle: Slightly ThickPavilion 37.2°Culet: NoneDepth 64.1%

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: £369 GBP|Low: £163 GBP|High: £808 GBP|Avg: £421 GBP|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 2£163 GBP
Retailer 9£181 GBP
Retailer 3£342 GBP
Retailer 1£369 GBP
Retailer 10£413 GBP
Retailer 5£422 GBP
Retailer 8£475 GBP
Retailer 4£487 GBP
Retailer 7£582 GBP
Retailer 6£803 GBP

42 data points across 10 retailers

20 retailers£163 GBP to £879 GBP

Retailer 1
-
£140 GBP
$187 USD
Price last confirmed 30 days ago
A
Retailer 2
-
£163 GBP
$218 USD
View
Final sale: no returns
Retailer 3
-
£169 GBP
$226 USD
View
Price last confirmed 34 days ago
Retailer 4
-
£181 GBP
$242 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
£197 GBP
$264 USD
View
A
Retailer 6
-
£243 GBP
$326 USD
View
B+
Retailer 7
-
£342 GBP
ZAR 7,408 ZAR
View
B+
Retailer 8
-
£369 GBP
View
B+
Retailer 9
-
£410 GBP
$550 USD
View
B+
Retailer 10
-
£413 GBP
$554 USD
View
Retailer 11
-
£422 GBP
$565 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
£475 GBP
A$979 AUD
View
B+
Retailer 13
-
£487 GBP
A$1,004 AUD
View
B
Retailer 14
-
£582 GBP
$780 USD
View
Retailer 15
-
£640 GBP
$858 USD
View
Price last confirmed 31 days ago
B
Retailer 16
-
£769 GBP
$1,030 USD
View
B
Retailer 17
-
£803 GBP
View
B
Retailer 18
-
£879 GBP
$1,178 USD
View
Retailer 19
-
£1,396 GBP
$1,870 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-791627500 · Oct 31
£1,478 GBP
$1,980 USD
View
Price under review
19 more retailers have this diamond
Prices start from £163 GBPSave up to £717 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
£163 GBP