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Radiant|Lab Grown|IGI

1.56ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG815692192

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

Certificate IGI LG815692192

Diamond specifications and retailer prices

From £161 GBP
$216 USD
As of October 30, 2026
Save £1,946 GBP (92%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,107 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

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 LG815692192 or 815692192. Listed at 22 retailers as of October 30, 2026, with prices from £161 to £2,107, a £1,946 spread on the same certified stone. The Diamond Guys lists it at £2,107. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815692192
Dimensions8.10 × 5.74 × 3.91 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.10 mm5.74 mm1.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815692192
Side View
Table 66.0%Crown 42.8°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 68.1%

Caratlytics Score

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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 30
Current: £371 GBP|Low: £161 GBP|High: £941 GBP|Avg: £430 GBP|+1.5%
Retailer 1
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Retailer 12
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Retailer 19
October 30, 2026
Retailer 19£161 GBP
Retailer 8£181 GBP
Retailer 15£187 GBP
Retailer 3£200 GBP
Retailer 4£200 GBP
Retailer 18£224 GBP
Retailer 10£343 GBP
Retailer 13£344 GBP
Retailer 17£360 GBP
Retailer 1£371 GBP
Retailer 7£407 GBP
Retailer 5£448 GBP
Retailer 14£468 GBP
Retailer 2£644 GBP
Retailer 16£646 GBP
Retailer 9£683 GBP
Retailer 12£807 GBP
Retailer 6£815 GBP
Retailer 11£930 GBP

36 data points across 19 retailers

22 retailers£161 GBP to £2,107 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
Retailer 9
-
£360 GBP
€459 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
£371 GBP
View
A
Retailer 11
-
£407 GBP
$545 USD
View
B+
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
-
£807 GBP
View
Retailer 18
-
£814 GBP
$1,091 USD
View
Price last confirmed 51 days ago
B
Retailer 19
-
£815 GBP
$1,092 USD
View
B
Retailer 20
-
£930 GBP
$1,246 USD
View
B
Retailer 21
-
£1,460 GBP
CA$2,717 CAD
View
Most Expensive
B
The Diamond Guys
1931955192 · Oct 30
£2,107 GBP
$2,823 USD
View
21 more retailers have this diamond
Prices start from £161 GBPSave up to £1,946 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