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Princess|Lab Grown|IGI

1.51ct E SI2 Princess Lab Grown Diamond

ID • E/SI2 • IGI LG670465310

Shape and cutting style on the report: Princess cut

Certificate IGI LG670465310

Diamond specifications and retailer prices

From €250 EUR
As of November 6, 2026
Save €992 EUR (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,242 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG670465310 or 670465310. Listed at 17 retailers as of November 2, 2026, with prices from €250 to €1,242, a €992 spread on the same certified stone. MOH London lists it at €1,242. 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
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42.9°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670465310
Dimensions6.23 × 6.21 × 4.44 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.23 mm6.21 mm1.51 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG670465310
Side View
Table 68.0%Crown 42.9°Girdle: MediumPavilion 37.8°Culet: NoneDepth 71.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €1,242 EUR|Low: €248 EUR|High: €1,301 EUR|Avg: €604 EUR|-0.1%
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
November 6, 2026
Retailer 7€250 EUR
Retailer 11€280 EUR
Retailer 14€290 EUR
Retailer 4€310 EUR
Retailer 8€310 EUR
Retailer 15€383 EUR
Retailer 9€394 EUR
Retailer 5€512 EUR
Retailer 13€522 EUR
Retailer 2€541 EUR
Retailer 3€543 EUR
Retailer 16€788 EUR
Retailer 12€909 EUR
Retailer 10€952 EUR
Retailer 6€997 EUR
MOH London€1,242 EUR

34 data points across 16 retailers

17 retailers€250 EUR to €1,242 EUR

A
Cheapest Retailer
-
€250 EUR
A
Retailer 2
-
€280 EUR
View
Final sale: no returns
A
Retailer 3
-
€290 EUR
View
A
Retailer 4
-
€310 EUR
View
Retailer 5
-
€310 EUR
View
Price last confirmed 12 days ago
B+
Retailer 6
-
€383 EUR
View
A
Retailer 7
-
€394 EUR
View
B+
Retailer 8
-
€512 EUR
View
Retailer 9
-
€522 EUR
View
Price last confirmed 8 days ago
B+
Retailer 10
-
€541 EUR
View
B+
Retailer 11
-
€543 EUR
View
B
Retailer 12
-
€788 EUR
View
B
Retailer 13
-
€841 EUR
View
B
Retailer 14
-
€909 EUR
View
B
Retailer 15
-
€952 EUR
View
B
Retailer 16
-
€997 EUR
View
Most Expensive
B
MOH London
LG670465310 · Nov 2
€1,242 EUR
£1,098 GBP
View
16 more retailers have this diamond
Prices start from €250 EURSave up to €992 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 Princess
€250 EUR