Radiant|Lab Grown|IGI

1.00ct D VS1 Radiant Lab Grown Diamond

D/VS1 • IGI LG623458259

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

Certificate IGI LG623458259

Diamond specifications and retailer prices

From £146 GBP
$195 USD
As of October 27, 2026
Save £734 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,396 GBP at Do Amore Diamonds · As of October 28, 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) and certified by IGI LG623458259 or 623458259. Listed at 20 retailers as of October 25, 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. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Colour
VS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623458259
Dimensions7.23 × 4.98 × 3.25 mm
L/W Ratio1.45
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
7.23 mm4.98 mm1.00 ctD / VS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623458259
Side View
Table 64.0%Crown 39.1°Girdle: MediumPavilion 32.5°Culet: NoneDepth 65.3%

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 27
Current: £1,396 GBP|Low: £140 GBP|High: £1,396 GBP|Avg: £515 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 27, 2026
Retailer 16£146 GBP
Retailer 7£163 GBP
Retailer 4£169 GBP
Retailer 5£181 GBP
Retailer 17£181 GBP
Retailer 6£257 GBP
Retailer 13£337 GBP
Retailer 10£367 GBP
Retailer 15£480 GBP
Retailer 2£487 GBP
Retailer 14£582 GBP
Retailer 3£640 GBP
Retailer 9£773 GBP
Retailer 11£791 GBP
Retailer 12£799 GBP
Retailer 8£879 GBP
Do Amore Diamonds£1,396 GBP

41 data points across 17 retailers

20 retailers£146 GBP to £879 GBP

A
Cheapest Retailer
-
£146 GBP
$195 USD
Retailer 2
-
£169 GBP
$226 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
£181 GBP
$242 USD
View
A
Retailer 4
-
£181 GBP
$242 USD
View
A
Retailer 5
-
£197 GBP
$264 USD
View
B+
Retailer 6
-
£243 GBP
$326 USD
View
B+
Retailer 7
-
£257 GBP
$344 USD
View
Retailer 8
-
£337 GBP
ZAR 7,291 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£367 GBP
View
Retailer 10
-
£480 GBP
A$990 AUD
View
Price last confirmed 23 days ago
B
Retailer 11
-
£487 GBP
A$1,004 AUD
View
B
Retailer 12
-
£524 GBP
View
B
Retailer 13
-
£582 GBP
$780 USD
View
B
Retailer 14
-
£640 GBP
$858 USD
View
B
Retailer 15
-
£769 GBP
$1,030 USD
View
B
Retailer 16
-
£773 GBP
View
B
Retailer 17
-
£791 GBP
$1,060 USD
View
B
Retailer 18
-
£799 GBP
View
B
Retailer 19
-
£879 GBP
$1,178 USD
View
Most Expensive
Do Amore Diamonds
27-D4D206C03 · Oct 28
£1,396 GBP
$1,870 USD
View
Price under review
19 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