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Round|Lab Grown|IGI

1.56ct K VS1 Round Lab Grown Diamond

ID • K/VS1 • IGI LG492113648

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113648

Diamond specifications and retailer prices

From £1,665 GBP
As of November 5, 2026
Save £1,897 GBP (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,241 GBP at MOH London · As of November 3, 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492113648 or 492113648. Listed at 10 retailers as of November 3, 2026, with a 114% 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
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113648
Dimensions7.55 × 7.57 × 4.46 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.55 mm7.57 mm1.56 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113648
Side View
Table 58.5%Crown 33°GirdlePavilion 40.2°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £5,241 GBP|Low: £1,599 GBP|High: £5,312 GBP|Avg: £2,931 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 6£1,665 GBP
Retailer 9£1,812 GBP
Retailer 7£1,932 GBP
Retailer 4£2,054 GBP
Retailer 11£2,434 GBP
Retailer 10£2,655 GBP
Retailer 8£3,016 GBP
Retailer 5£3,028 GBP
Retailer 2£3,562 GBP
Retailer 3£4,323 GBP
MOH London£5,241 GBP

19 data points across 11 retailers

10 retailers£1,665 GBP to £3,562 GBP

B+
Cheapest Retailer
-
£1,665 GBP
B
Retailer 2
-
£1,812 GBP
View
B
Retailer 3
-
£1,932 GBP
View
Retailer 4
-
£1,932 GBP
View
Price last confirmed 26 days ago
B
Retailer 5
-
£2,054 GBP
View
B
Retailer 6
-
£2,655 GBP
View
B
Retailer 7
-
£3,016 GBP
View
B
Retailer 8
-
£3,028 GBP
View
B
Retailer 9
-
£3,562 GBP
View
Most Expensive
MOH London
LG492113648 · Nov 3
£5,241 GBP
View
Price under review
9 more retailers have this diamond
Prices start from £1,665 GBPSave up to £1,897 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.

B+
1.56ct Round
£1,665 GBP