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Round|Lab Grown|IGI

1.51ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG555273964

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273964

Diamond specifications and retailer prices

From €320 EUR
As of November 5, 2026
Save €1,228 EUR (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,548 EUR at MOH London · As of November 3, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555273964 or 555273964. Listed at 16 retailers as of November 3, 2026, with prices from €320 to €1,548, a €1,228 spread on the same certified stone. MOH London lists it at €1,548. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273964
Dimensions7.40 × 7.37 × 4.52 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
7.40 mm7.37 mm1.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273964
Side View
Table 56.5%Crown 32.8°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

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 5
Current: €1,548 EUR|Low: €320 EUR|High: €1,566 EUR|Avg: €747 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 10€320 EUR
Retailer 13€356 EUR
Retailer 11€396 EUR
Retailer 4€433 EUR
Retailer 7€530 EUR
Retailer 3€620 EUR
Retailer 12€623 EUR
Retailer 9€635 EUR
Retailer 2€682 EUR
Retailer 6€704 EUR
Retailer 8€1,162 EUR
Retailer 5€1,309 EUR
MOH London€1,548 EUR

28 data points across 13 retailers

16 retailers€320 EUR to €1,548 EUR

A
Cheapest Retailer
-
€320 EUR
A
Retailer 2
-
€356 EUR
View
Final sale: no returns
A
Retailer 3
-
€371 EUR
View
A
Retailer 4
-
€396 EUR
View
Retailer 5
-
€396 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
-
€433 EUR
View
A
Retailer 7
-
€530 EUR
View
B+
Retailer 8
-
€620 EUR
View
B+
Retailer 9
-
€623 EUR
View
B+
Retailer 10
-
€635 EUR
View
B+
Retailer 11
-
€682 EUR
View
B+
Retailer 12
-
€704 EUR
View
B
Retailer 13
-
€1,162 EUR
View
B
Retailer 14
-
€1,273 EUR
View
B
Retailer 15
-
€1,309 EUR
View
Most Expensive
B
MOH London
LG555273964 · Nov 3
€1,548 EUR
£1,368 GBP
View
15 more retailers have this diamond
Prices start from €320 EURSave up to €1,228 EUR

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
1.51ct Round
€320 EUR