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Radiant|Lab Grown|IGI

1.56ct E VVS2 Radiant Lab Grown Diamond

EX • E/VVS2 • IGI LG800620559

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

Certificate IGI LG800620559

Diamond specifications and retailer prices

From £192 GBP
$256 USD
As of October 23, 2026
Save £838 GBP (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,584 GBP at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

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 E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800620559 or 800620559. Listed at 23 retailers as of October 23, 2026, with a 436% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800620559
Dimensions8.28 × 5.77 × 3.92 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.28 mm5.77 mm1.56 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800620559
Side View
Table 62.0%Crown 39.5°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.9%

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 23
Current: £1,584 GBP|Low: £185 GBP|High: £1,584 GBP|Avg: £543 GBP
Brilliant Earth
Retailer 2
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October 28, 2026
Retailer 23£192 GBP
Retailer 6£215 GBP
Retailer 21£223 GBP
Retailer 4£239 GBP
Retailer 7£239 GBP
Retailer 11£269 GBP
Retailer 22£273 GBP
Retailer 12£321 GBP
Retailer 2£323 GBP
Retailer 19£403 GBP
Retailer 20£427 GBP
Retailer 15£440 GBP
Retailer 17£452 GBP
Retailer 10£494 GBP
Retailer 13£556 GBP
Retailer 5£732 GBP
Retailer 3£767 GBP
Retailer 16£805 GBP
Retailer 8£939 GBP
Retailer 18£957 GBP
Retailer 14£963 GBP
Retailer 9£1,031 GBP
Brilliant Earth£1,584 GBP

32 data points across 23 retailers

23 retailers£192 GBP to £1,031 GBP

A
Cheapest Retailer
-
£192 GBP
$256 USD
A
Retailer 2
-
£215 GBP
$286 USD
View
Final sale: no returns
A
Retailer 3
-
£223 GBP
$297 USD
View
A
Retailer 4
-
£239 GBP
$318 USD
View
A
Retailer 5
-
£239 GBP
$318 USD
View
A
Retailer 6
-
£269 GBP
HK$2,800 HKD
View
Price last confirmed 8 days ago
A
Retailer 7
-
£273 GBP
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£321 GBP
$428 USD
View
A
Retailer 9
-
£323 GBP
$430 USD
View
A
Retailer 10
-
£403 GBP
ZAR 8,675 ZAR
View
A
Retailer 11
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£427 GBP
€541 EUR
View
A
Retailer 12
-
£440 GBP
$586 USD
View
A
Retailer 13
-
£452 GBP
View
A
Retailer 14
-
£494 GBP
$658 USD
View
B+
Retailer 15
-
£556 GBP
A$1,139 AUD
View
B+
Retailer 16
-
£732 GBP
$975 USD
View
B+
Retailer 17
-
£767 GBP
$1,021 USD
View
B+
Retailer 18
-
£805 GBP
$1,072 USD
View
B
Retailer 19
-
£939 GBP
$1,250 USD
View
B+
Retailer 20
-
£957 GBP
View
B
Retailer 21
-
£983 GBP
$1,309 USD
View
B
Retailer 22
-
£1,031 GBP
$1,373 USD
View
Most Expensive
B
Brilliant Earth
20207988A · Oct 18
£1,584 GBP
$2,110 USD
View
Price last confirmed 10 days ago
22 more retailers have this diamond
Prices start from £192 GBPSave up to £838 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
£192 GBP