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Round|Lab Grown|IGI

1.56ct I VVS1 Round Lab Grown Diamond

ID • I/VVS1 • IGI LG728521338

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728521338

Diamond specifications and retailer prices

From £400 GBP
As of November 3, 2026
Save £743 GBP (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,143 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 I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728521338 or 728521338. Listed at 7 retailers as of November 3, 2026, with prices from £400 to £1,143, a £743 spread on the same certified stone. MOH London lists it at £1,143. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
I
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728521338
Dimensions7.40 × 7.42 × 4.62 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.40 mm7.42 mm1.56 ctI / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728521338
Side View
Table 56.0%Crown 34.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.3%

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: Nov 3
Current: £1,143 GBP|Low: £313 GBP|High: £1,157 GBP|Avg: £607 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 8£313 GBP
Retailer 5£400 GBP
Retailer 6£400 GBP
Retailer 3£464 GBP
Retailer 4£478 GBP
Retailer 2£704 GBP
Retailer 7£951 GBP
MOH London£1,143 GBP

14 data points across 8 retailers

7 retailers£400 GBP to £1,143 GBP

Retailer 1
-
£313 GBP
Price last confirmed 61 days ago
A
Retailer 2
-
£400 GBP
View
B+
Retailer 3
-
£464 GBP
View
B+
Retailer 4
-
£478 GBP
View
B
Retailer 5
-
£704 GBP
View
B
Retailer 6
-
£951 GBP
View
Most Expensive
B
MOH London
LG728521338 · Nov 3
£1,143 GBP
View
6 more retailers have this diamond
Prices start from £400 GBPSave up to £743 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
£400 GBP