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Round|Lab Grown|IGI

1.56ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG770640783

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770640783

Diamond specifications and retailer prices

From £168 GBP
$225 USD
As of November 1, 2026
Save £825 GBP (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £993 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770640783 or 770640783. Listed at 24 retailers as of October 29, 2026, with prices from £168 to £993, a £825 spread on the same certified stone. Brilliant Earth lists it at £993. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770640783
Dimensions7.46 × 7.52 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm7.52 mm1.56 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770640783
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.1%

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: Nov 1
Current: £993 GBP|Low: £160 GBP|High: £993 GBP|Avg: £468 GBP
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 12
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Retailer 20
November 1, 2026
Retailer 11£168 GBP
Retailer 2£191 GBP
Retailer 20£195 GBP
Retailer 6£208 GBP
Retailer 7£208 GBP
Retailer 14£324 GBP
Retailer 8£355 GBP
Retailer 4£358 GBP
Retailer 15£387 GBP
Retailer 17£392 GBP
Retailer 5£399 GBP
Retailer 3£431 GBP
Retailer 19£570 GBP
Retailer 12£669 GBP
Retailer 18£694 GBP
Retailer 10£708 GBP
Retailer 13£834 GBP
Retailer 16£846 GBP
Retailer 9£950 GBP
Brilliant Earth£993 GBP

32 data points across 20 retailers

24 retailers£168 GBP to £993 GBP

A
Cheapest Retailer
-
£168 GBP
$225 USD
A
Retailer 2
-
£191 GBP
$256 USD
View
Final sale: no returns
A
Retailer 3
-
£195 GBP
$261 USD
View
Retailer 4
-
£208 GBP
$279 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£208 GBP
$279 USD
View
A
Retailer 6
-
£324 GBP
View
A
Retailer 7
-
£355 GBP
$475 USD
View
A
Retailer 8
-
£358 GBP
$480 USD
View
A
Retailer 9
-
£387 GBP
View
A
Retailer 10
-
£392 GBP
€500 EUR
View
A
Retailer 11
-
£399 GBP
$534 USD
View
B+
Retailer 12
-
£431 GBP
A$888 AUD
View
B+
Retailer 13
-
£570 GBP
$764 USD
View
Retailer 14
-
£596 GBP
$799 USD
View
Price last confirmed 90 days ago
Retailer 15
-
£663 GBP
$888 USD
View
Price last confirmed 42 days ago
B
Retailer 16
-
£669 GBP
$896 USD
View
B
Retailer 17
-
£694 GBP
A$1,430 AUD
View
B
Retailer 18
-
£708 GBP
$949 USD
View
B
Retailer 19
-
£783 GBP
$1,049 USD
View
B
Retailer 20
-
£834 GBP
View
B
Retailer 21
-
£846 GBP
$1,134 USD
View
B
Retailer 22
-
£884 GBP
$1,185 USD
View
B
Retailer 23
-
£950 GBP
$1,273 USD
View
Most Expensive
B
Brilliant Earth
20258266A · Oct 29
£993 GBP
$1,330 USD
View
23 more retailers have this diamond
Prices start from £168 GBPSave up to £825 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 Round
£168 GBP