Princess|Lab Grown|IGI

1.51ct J SI1 Princess Lab Grown Diamond

GD • J/SI1 • IGI LG447000695

Shape and cutting style on the report: Princess cut

Certificate IGI LG447000695

Diamond specifications and retailer prices

From €1,298 EUR
$1,450 USD
As of October 30, 2026
Save €3,008 EUR (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,306 EUR at MOH London · As of October 27, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG447000695 or 447000695. Listed at 10 retailers as of October 27, 2026, with prices from €1,298 to €4,306, a €3,008 spread on the same certified stone. MOH London lists it at €4,306. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
J
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000695
Dimensions6.49 × 6.31 × 4.37 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.49 mm6.31 mm1.51 ctJ / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000695
Side View
Table 71.0%Crown 42°Girdle: Slightly ThickPavilion 37.9°Culet: NoneDepth 69.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €4,306 EUR|Low: €1,298 EUR|High: €4,352 EUR|Avg: €2,387 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 3€1,298 EUR
Retailer 5€1,454 EUR
Retailer 8€1,485 EUR
Retailer 10€1,656 EUR
Retailer 2€1,660 EUR
Retailer 7€2,046 EUR
Retailer 4€2,375 EUR
Retailer 6€2,733 EUR
MOH London€4,306 EUR
Retailer 9€4,311 EUR

15 data points across 10 retailers

10 retailers€1,298 EUR to €4,306 EUR

B+
Cheapest Retailer
-
€1,298 EUR
$1,450 USD
B+
Retailer 2
-
€1,412 EUR
$1,578 USD
View
B+
Retailer 3
-
€1,454 EUR
$1,624 USD
View
Final sale: no returns
B+
Retailer 4
-
€1,506 EUR
$1,682 USD
View
Retailer 5
-
€1,506 EUR
$1,682 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
€1,660 EUR
$1,855 USD
View
B
Retailer 7
-
€2,375 EUR
$2,653 USD
View
C
Retailer 8
-
€2,733 EUR
$3,053 USD
View
C
Retailer 9
-
€2,822 EUR
$3,153 USD
View
Most Expensive
C
MOH London
LG447000695 · Oct 27
€4,306 EUR
£3,788 GBP
View
9 more retailers have this diamond
Prices start from €1,298 EURSave up to €3,008 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.

B+
1.51ct Princess
€1,298 EUR