Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG708564072

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

Certificate IGI LG708564072

Diamond specifications and retailer prices

From £260 GBP
HK$2,700 HKD
As of October 29, 2026
Save £1,025 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,284 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 LG708564072 or 708564072. Listed at 16 retailers as of October 29, 2026, with prices from £260 to £1,284, a £1,025 spread on the same certified stone. Do Amore Diamonds lists it at £1,284. 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 angle44.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG708564072
Dimensions7.73 × 5.29 × 3.45 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.73 mm5.29 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG708564072
Side View
Table 67.0%Crown 44.3°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 65.2%

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 29
Current: £1,284 GBP|Low: £99 GBP|High: £1,284 GBP|Avg: £500 GBP|+8.2%
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
October 29, 2026
Retailer 4£138 GBP
Retailer 11£260 GBP
Retailer 5£273 GBP
Retailer 6£278 GBP
Retailer 10£282 GBP
Retailer 3£295 GBP
Retailer 9£448 GBP
Retailer 14£526 GBP
Retailer 8£548 GBP
Retailer 12£565 GBP
Retailer 15£653 GBP
Retailer 7£659 GBP
Retailer 13£747 GBP
Retailer 2£862 GBP
Do Amore Diamonds£1,284 GBP

28 data points across 15 retailers

16 retailers£260 GBP to £1,284 GBP

Retailer 1
-
£129 GBP
$172 USD
Price last confirmed 21 days ago
Retailer 2
-
£143 GBP
$191 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
£260 GBP
HK$2,700 HKD
View
A
Retailer 4
-
£282 GBP
$375 USD
View
A
Retailer 5
-
£295 GBP
$393 USD
View
B+
Retailer 6
-
£448 GBP
A$917 AUD
View
Retailer 7
-
£526 GBP
$700 USD
View
Price last confirmed 11 days ago
Retailer 8
-
£526 GBP
$700 USD
View
Price last confirmed 25 days ago
Retailer 9
-
£526 GBP
$700 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
£548 GBP
A$1,122 AUD
View
B+
Retailer 11
-
£565 GBP
$752 USD
View
Retailer 12
-
£568 GBP
$756 USD
View
Price last confirmed 29 days ago
B
Retailer 13
-
£653 GBP
$870 USD
View
B
Retailer 14
-
£747 GBP
SGD 1,344 SGD
View
B
Retailer 15
-
£862 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D04958D7D · Oct 29
£1,284 GBP
$1,710 USD
View
15 more retailers have this diamond
Prices start from £260 GBPSave up to £1,025 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
1.23ct Radiant
£260 GBP