CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG407948755

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407948755

Diamond specifications and retailer prices

From €777 EUR
As of November 5, 2026
Save €2,592 EUR (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,368 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407948755 or 407948755. Listed at 9 retailers as of November 5, 2026, with prices from €777 to €3,368, a €2,592 spread on the same certified stone. MOH London lists it at €3,368. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407948755
Dimensions7.36 × 7.40 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.36 mm7.40 mm1.51 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407948755
Side View
Table 57.0%Crown 33.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.5%

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 5
Current: €3,368 EUR|Low: €746 EUR|High: €3,418 EUR|Avg: €1,539 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4€777 EUR
Retailer 5€901 EUR
Retailer 7€901 EUR
Retailer 2€986 EUR
Retailer 6€1,449 EUR
Retailer 3€2,071 EUR
MOH London€3,368 EUR

38 data points across 7 retailers

9 retailers€777 EUR to €3,368 EUR

A
Cheapest Retailer
-
€777 EUR
B+
Retailer 2
-
€846 EUR
View
B+
Retailer 3
-
€901 EUR
View
Retailer 4
-
€901 EUR
View
Price last confirmed 25 days ago
A
Retailer 5
-
€986 EUR
View
B
Retailer 6
-
€1,449 EUR
View
B
Retailer 7
-
€2,071 EUR
View
B
Retailer 8
-
€2,534 EUR
View
Most Expensive
B
MOH London
LG407948755 · Nov 5
€3,368 EUR
£2,977 GBP
View
8 more retailers have this diamond
Prices start from €777 EURSave up to €2,592 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
€777 EUR