CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG794609842

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794609842

Diamond specifications and retailer prices

From €176 EUR
As of November 5, 2026
Save €843 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,019 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794609842 or 794609842. Listed at 18 retailers as of November 5, 2026, with prices from €176 to €1,019, a €843 spread on the same certified stone. MOH London lists it at €1,019. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794609842
Dimensions7.52 × 7.48 × 4.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.52 mm7.48 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794609842
Side View
Table 59.0%Crown 32.8°Girdle: MediumPavilion 40.4°Culet: NoneDepth 59.1%

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: €1,019 EUR|Low: €176 EUR|High: €1,055 EUR|Avg: €508 EUR|-3.0%
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
Retailer 18
November 6, 2026
Retailer 8€176 EUR
Retailer 5€197 EUR
Retailer 4€205 EUR
Retailer 15€218 EUR
Retailer 9€220 EUR
Retailer 2€339 EUR
Retailer 6€380 EUR
Retailer 18€390 EUR
Retailer 11€395 EUR
Retailer 17€468 EUR
Retailer 3€514 EUR
Retailer 12€581 EUR
Retailer 14€659 EUR
Retailer 16€703 EUR
Retailer 10€715 EUR
Retailer 7€750 EUR
Retailer 13€927 EUR
MOH London€1,019 EUR

25 data points across 18 retailers

18 retailers€176 EUR to €1,019 EUR

A
Cheapest Retailer
-
€176 EUR
A
Retailer 2
-
€197 EUR
View
Final sale: no returns
A
Retailer 3
-
€205 EUR
View
A
Retailer 4
-
€218 EUR
View
Retailer 5
-
€220 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
-
€339 EUR
View
B+
Retailer 7
-
€380 EUR
View
A
Retailer 8
-
€390 EUR
View
A
Retailer 9
-
€395 EUR
View
B+
Retailer 10
-
€468 EUR
View
B+
Retailer 11
-
€514 EUR
View
B+
Retailer 12
-
€581 EUR
View
B+
Retailer 13
-
€659 EUR
View
B+
Retailer 14
-
€703 EUR
View
B+
Retailer 15
-
€715 EUR
View
B+
Retailer 16
-
€750 EUR
View
B
Retailer 17
-
€927 EUR
View
Most Expensive
B
MOH London
LG794609842 · Nov 5
€1,019 EUR
£901 GBP
View
17 more retailers have this diamond
Prices start from €176 EURSave up to €843 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
€176 EUR