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Radiant|Lab Grown|IGI

1.56ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG646478161

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

Certificate IGI LG646478161

Diamond specifications and retailer prices

From £161 GBP
$216 USD
As of October 30, 2026
Save £769 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £930 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG646478161 or 646478161. Listed at 21 retailers as of October 30, 2026, with prices from £161 to £930, a £769 spread on the same certified stone. Reve Diamonds lists it at £930. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646478161
Dimensions8.44 × 5.64 × 3.79 mm
L/W Ratio1.50
Culet sizePointed
Top View
8.44 mm5.64 mm1.56 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646478161
Side View
Table 65.0%Crown 41.8°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.2%

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: £346 GBP|Low: £161 GBP|High: £941 GBP|Avg: £435 GBP|+0.5%
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 31, 2026
Retailer 18£161 GBP
Retailer 8£181 GBP
Retailer 14£187 GBP
Retailer 3£200 GBP
Retailer 4£200 GBP
Retailer 17£224 GBP
Retailer 10£343 GBP
Retailer 12£344 GBP
Retailer 1£346 GBP
Retailer 11£372 GBP
Retailer 7£407 GBP
Retailer 5£448 GBP
Retailer 13£468 GBP
Retailer 2£644 GBP
Retailer 15£646 GBP
Retailer 9£683 GBP
Retailer 16£807 GBP
Retailer 6£815 GBP
Reve Diamonds£930 GBP

40 data points across 19 retailers

21 retailers£161 GBP to £930 GBP

A
Cheapest Retailer
-
£161 GBP
$216 USD
A
Retailer 2
-
£181 GBP
$242 USD
View
Final sale: no returns
A
Retailer 3
-
£187 GBP
$251 USD
View
A
Retailer 4
-
£200 GBP
$268 USD
View
A
Retailer 5
-
£200 GBP
$268 USD
View
Retailer 6
-
£224 GBP
View
Price last confirmed 14 days ago
B+
Retailer 7
-
£343 GBP
$459 USD
View
A
Retailer 8
-
£344 GBP
ZAR 7,448 ZAR
View
A
Retailer 9
-
£346 GBP
€441 EUR
View
A
Retailer 10
-
£372 GBP
View
A
Retailer 11
-
£407 GBP
$545 USD
View
A
Retailer 12
-
£448 GBP
$600 USD
View
A
Retailer 13
-
£468 GBP
A$964 AUD
View
B+
Retailer 14
-
£644 GBP
$863 USD
View
B
Retailer 15
-
£646 GBP
$866 USD
View
B+
Retailer 16
-
£683 GBP
$916 USD
View
B
Retailer 17
-
£746 GBP
View
B
Retailer 18
-
£807 GBP
View
Retailer 19
-
£814 GBP
$1,091 USD
View
Price last confirmed 55 days ago
B
Retailer 20
-
£815 GBP
$1,092 USD
View
Most Expensive
B
Reve Diamonds
4BCEF85D8 · Oct 30
£930 GBP
$1,246 USD
View
20 more retailers have this diamond
Prices start from £161 GBPSave up to £769 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
1.56ct Radiant
£161 GBP