CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG555273580

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273580

Diamond specifications and retailer prices

From €330 EUR
As of November 5, 2026
Save €1,265 EUR (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,594 EUR at MOH London · As of November 5, 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 LG555273580 or 555273580. Listed at 16 retailers as of November 5, 2026, with prices from €330 to €1,594, a €1,265 spread on the same certified stone. MOH London lists it at €1,594. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273580
Dimensions7.27 × 7.24 × 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 and may include post-growth treatment Type IIa
Top View
7.27 mm7.24 mm1.51 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273580
Side View
Table 57.5%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

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: €1,594 EUR|Low: €316 EUR|High: €1,618 EUR|Avg: €776 EUR|-1.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 14€330 EUR
Retailer 5€369 EUR
Retailer 3€382 EUR
Retailer 6€409 EUR
Retailer 15€409 EUR
Retailer 11€543 EUR
Retailer 10€575 EUR
Retailer 8€624 EUR
Retailer 17€634 EUR
Retailer 2€636 EUR
Retailer 16€653 EUR
Retailer 12€705 EUR
Retailer 13€1,199 EUR
Retailer 4€1,315 EUR
Retailer 9€1,350 EUR
Retailer 7€1,480 EUR
MOH London€1,594 EUR

35 data points across 17 retailers

16 retailers€330 EUR to €1,594 EUR

A
Cheapest Retailer
-
€330 EUR
A
Retailer 2
-
€369 EUR
View
Final sale: no returns
A
Retailer 3
-
€382 EUR
View
A
Retailer 4
-
€409 EUR
View
Retailer 5
-
€409 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
-
€543 EUR
View
A
Retailer 7
-
€575 EUR
View
B+
Retailer 8
-
€624 EUR
View
B+
Retailer 9
-
€634 EUR
View
B+
Retailer 10
-
€636 EUR
View
B+
Retailer 11
-
€653 EUR
View
B+
Retailer 12
-
€705 EUR
View
B
Retailer 13
-
€1,199 EUR
View
B
Retailer 14
-
€1,315 EUR
View
B
Retailer 15
-
€1,350 EUR
View
Most Expensive
B
MOH London
LG555273580 · Nov 5
€1,594 EUR
£1,409 GBP
View
15 more retailers have this diamond
Prices start from €330 EURSave up to €1,265 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
€330 EUR