Round|Lab Grown|IGI

1.51ct I VS2 Round Lab Grown Diamond

ID • I/VS2 • IGI LG555202317

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555202317

Diamond specifications and retailer prices

From €331 EUR
$370 USD
As of October 29, 2026
Save €989 EUR (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,613 EUR at MOH London · As of October 21, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555202317 or 555202317. Listed at 14 retailers as of October 29, 2026, with a 299% 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

1.51
Carat
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555202317
Dimensions7.40 × 7.34 × 4.50 mm
L/W Ratio1.01
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 mm7.34 mm1.51 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555202317
Side View
Table 59.0%Crown 35.7°Girdle: MediumPavilion 40.7°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: Oct 29
Current: €1,613 EUR|Low: €265 EUR|High: €1,623 EUR|Avg: €812 EUR|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 7€331 EUR
Retailer 10€371 EUR
Retailer 8€411 EUR
Retailer 2€546 EUR
Retailer 5€604 EUR
Retailer 11€637 EUR
Retailer 9€656 EUR
Retailer 12€692 EUR
Retailer 4€859 EUR
Retailer 6€1,204 EUR
Retailer 3€1,355 EUR
MOH London€1,613 EUR

18 data points across 12 retailers

14 retailers€331 EUR to €1,320 EUR

A
Cheapest Retailer
-
€331 EUR
$370 USD
A
Retailer 2
-
€371 EUR
$414 USD
View
Final sale: no returns
A
Retailer 3
-
€384 EUR
$429 USD
View
A
Retailer 4
-
€411 EUR
$459 USD
View
A
Retailer 5
-
€411 EUR
$459 USD
View
A
Retailer 6
-
€546 EUR
$610 USD
View
Retailer 7
-
€604 EUR
$675 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
€637 EUR
$712 USD
View
B+
Retailer 9
-
€656 EUR
$733 USD
View
B+
Retailer 10
-
€692 EUR
$773 USD
View
B
Retailer 11
-
€1,204 EUR
$1,345 USD
View
B
Retailer 12
-
€1,320 EUR
$1,475 USD
View
Retailer 13
-
€1,355 EUR
$1,514 USD
View
Price last confirmed 13 days ago
Most Expensive
MOH London
LG555202317 · Oct 21
€1,613 EUR
£1,419 GBP
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from €331 EURSave up to €989 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
€331 EUR