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Round|Lab Grown|IGI

1.55ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG761557680

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761557680

Diamond specifications and retailer prices

From £317 GBP
As of November 2, 2026
Save £515 GBP (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £832 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG761557680 or 761557680. Listed at 10 retailers as of October 26, 2026, with prices from £317 to £832, a £515 spread on the same certified stone. MOH London lists it at £832. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761557680
Dimensions7.40 × 7.46 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.46 mm1.55 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761557680
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £832 GBP|Low: £317 GBP|High: £832 GBP|Avg: £521 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2£317 GBP
Retailer 7£326 GBP
Retailer 6£335 GBP
Retailer 3£358 GBP
Retailer 8£436 GBP
Retailer 4£484 GBP
Retailer 5£606 GBP
Retailer 9£666 GBP
Retailer 10£794 GBP
MOH London£832 GBP

9 data points across 10 retailers

10 retailers£317 GBP to £832 GBP

A
Cheapest Retailer
-
£317 GBP
B+
Retailer 2
-
£326 GBP
$437 USD
View
A
Retailer 3
-
£335 GBP
$450 USD
View
A
Retailer 4
-
£358 GBP
ZAR 7,757 ZAR
View
A
Retailer 5
-
£436 GBP
$585 USD
View
B+
Retailer 6
-
£484 GBP
A$999 AUD
View
B+
Retailer 7
-
£606 GBP
$813 USD
View
B+
Retailer 8
-
£666 GBP
$894 USD
View
B
Retailer 9
-
£794 GBP
$1,066 USD
View
Most Expensive
B
MOH London
LG761557680 · Oct 26
£832 GBP
View
9 more retailers have this diamond
Prices start from £317 GBPSave up to £515 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
1.55ct Round
£317 GBP