Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG632472890

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

Certificate IGI LG632472890

Diamond specifications and retailer prices

From £607 GBP
As of October 28, 2026
14 retailers carry this diamond
Most expensive: £804 GBP at Reve Diamonds · As of October 7, 2026
View at Reve Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct 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 LG632472890 or 632472890. Listed at 14 retailers as of October 28, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632472890
Dimensions7.47 × 5.34 × 3.57 mm
L/W Ratio1.40
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
7.47 mm5.34 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632472890
Side View
Table 65.0%Crown 45.1°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: £278 GBP|Low: £116 GBP|High: £1,164 GBP|Avg: £395 GBP|+2.2%
Retailer 1
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
Retailer 18
Reve Diamonds
October 8, 2026
Retailer 12£116 GBP
Retailer 5£136 GBP
Retailer 8£141 GBP
Retailer 2£151 GBP
Retailer 17£151 GBP
Retailer 4£204 GBP
Retailer 11£225 GBP
Retailer 1£278 GBP
Retailer 14£286 GBP
Retailer 15£294 GBP
Retailer 9£338 GBP
Retailer 6£381 GBP
Retailer 13£522 GBP
Retailer 16£535 GBP
Retailer 18£539 GBP
Retailer 10£739 GBP
Retailer 7£788 GBP
Reve Diamonds£804 GBP
Retailer 3£1,164 GBP

22 data points across 19 retailers

14 retailers

Retailer 1
-
£116 GBP
$156 USD
Price last confirmed 25 days ago
Retailer 2
-
£141 GBP
$189 USD
View
Price last confirmed 33 days ago
Retailer 3
-
£151 GBP
$202 USD
View
Price last confirmed 27 days ago
Retailer 4
-
£225 GBP
View
Price last confirmed 24 days ago
Retailer 5
-
£239 GBP
HK$2,500 HKD
View
Price last confirmed 56 days ago
Retailer 6
-
£286 GBP
ZAR 6,190 ZAR
View
Price last confirmed 25 days ago
Retailer 7
-
£381 GBP
$510 USD
View
Price last confirmed 22 days ago
Retailer 8
-
£522 GBP
$700 USD
View
Price last confirmed 25 days ago
Retailer 9
-
£535 GBP
$717 USD
View
Price last confirmed 25 days ago
Retailer 10
-
£539 GBP
A$1,111 AUD
View
Price last confirmed 27 days ago
B
Retailer 11
-
£607 GBP
View
Retailer 12
-
£664 GBP
$890 USD
View
Price last confirmed 26 days ago
Retailer 13
-
£788 GBP
View
Price last confirmed 29 days ago
Most Expensive
Reve Diamonds
DA45F37FA · Oct 7
£804 GBP
$1,077 USD
View
Price last confirmed 23 days ago
13 more retailers have this diamond
Prices start from £607 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.

B
1.23ct Radiant
£607 GBP