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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 €252 EUR
$281 USD
As of October 30, 2026
Save €997 EUR (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,248 EUR at MOH London · As of November 1, 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 16 retailers as of October 30, 2026, with prices from €252 to €1,248, a €997 spread on the same certified stone. MOH London lists it at €1,248. 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
Color
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: Oct 30
Current: €1,248 EUR|Low: €239 EUR|High: €1,307 EUR|Avg: €600 EUR|-0.4%
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 1, 2026
Retailer 7€252 EUR
Retailer 13€292 EUR
Retailer 2€294 EUR
Retailer 3€311 EUR
Retailer 8€311 EUR
Retailer 14€385 EUR
Retailer 9€399 EUR
Retailer 5€515 EUR
Retailer 12€525 EUR
Retailer 16€545 EUR
Retailer 10€549 EUR
Retailer 15€792 EUR
Retailer 4€838 EUR
Retailer 11€913 EUR
Retailer 6€1,002 EUR
MOH London€1,248 EUR

32 data points across 16 retailers

16 retailers€252 EUR to €1,248 EUR

A
Cheapest Retailer
-
€252 EUR
$281 USD
A
Retailer 2
-
€292 EUR
$326 USD
View
A
Retailer 3
-
€294 EUR
$329 USD
View
Final sale: no returns
A
Retailer 4
-
€311 EUR
$348 USD
View
Retailer 5
-
€311 EUR
$348 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€385 EUR
$430 USD
View
A
Retailer 7
-
€399 EUR
£351 GBP
View
B+
Retailer 8
-
€515 EUR
$575 USD
View
B+
Retailer 9
-
€525 EUR
View
B+
Retailer 10
-
€545 EUR
$609 USD
View
B+
Retailer 11
-
€549 EUR
£483 GBP
View
B
Retailer 12
-
€792 EUR
$885 USD
View
B
Retailer 13
-
€838 EUR
$936 USD
View
B
Retailer 14
-
€913 EUR
$1,020 USD
View
B
Retailer 15
-
€1,002 EUR
$1,119 USD
View
Most Expensive
B
MOH London
LG670465310 · Nov 1
€1,248 EUR
£1,098 GBP
View
15 more retailers have this diamond
Prices start from €252 EURSave up to €997 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
€252 EUR