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Round|Lab Grown|IGI

1.56ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG778657761

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778657761

Diamond specifications and retailer prices

From £155 GBP
$207 USD
As of October 29, 2026
Save £626 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £781 GBP at MOH London · As of October 29, 2026
View at MOH London

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 H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778657761 or 778657761. Listed at 17 retailers as of October 29, 2026, with prices from £155 to £781, a £626 spread on the same certified stone. MOH London lists it at £781. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778657761
Dimensions7.45 × 7.48 × 4.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.48 mm1.56 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778657761
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

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: £781 GBP|Low: £152 GBP|High: £1,029 GBP|Avg: £445 GBP|-2.3%
MOH London
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 29, 2026
Retailer 11£155 GBP
Retailer 6£174 GBP
Retailer 4£181 GBP
Retailer 5£194 GBP
Retailer 16£194 GBP
Retailer 12£315 GBP
Retailer 15£335 GBP
Retailer 17£372 GBP
Retailer 13£444 GBP
Retailer 9£507 GBP
Retailer 7£511 GBP
Retailer 3£623 GBP
Retailer 8£628 GBP
Retailer 10£660 GBP
Retailer 14£683 GBP
Retailer 2£779 GBP
MOH London£781 GBP

29 data points across 17 retailers

17 retailers£155 GBP to £781 GBP

A
Cheapest Retailer
-
£155 GBP
$207 USD
A
Retailer 2
-
£174 GBP
$232 USD
View
Final sale: no returns
A
Retailer 3
-
£181 GBP
$241 USD
View
A
Retailer 4
-
£194 GBP
$258 USD
View
A
Retailer 5
-
£194 GBP
$258 USD
View
A
Retailer 6
-
£315 GBP
View
B+
Retailer 7
-
£335 GBP
$446 USD
View
A
Retailer 8
-
£372 GBP
$495 USD
View
A
Retailer 9
-
£444 GBP
$591 USD
View
Retailer 10
-
£507 GBP
$675 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£511 GBP
$681 USD
View
B+
Retailer 12
-
£623 GBP
$830 USD
View
B+
Retailer 13
-
£628 GBP
SGD 1,131 SGD
View
B+
Retailer 14
-
£660 GBP
$878 USD
View
B+
Retailer 15
-
£683 GBP
$910 USD
View
B+
Retailer 16
-
£779 GBP
$1,038 USD
View
Most Expensive
B+
MOH London
LG778657761 · Oct 29
£781 GBP
View
16 more retailers have this diamond
Prices start from £155 GBPSave up to £626 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
£155 GBP