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Princess|Lab Grown|IGI

1.63ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG436073778

Shape and cutting style on the report: Princess cut

Certificate IGI LG436073778

Diamond specifications and retailer prices

From €823 EUR
$920 USD
As of October 31, 2026
Save €3,210 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,033 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.63ct lab-grown princess diamond

This 1.63ct 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 top-tier cut grade and certified by IGI LG436073778 or 436073778. Listed at 11 retailers as of October 31, 2026, with prices from €823 to €4,033, a €3,210 spread on the same certified stone. MOH London lists it at €4,033. 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

1.63
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.5°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073778
Dimensions6.55 × 6.45 × 4.42 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
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Top View
6.55 mm6.45 mm1.63 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436073778
Side View
Table 72.5%Crown 43.5°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 68.5%

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 31
Current: €4,033 EUR|Low: €823 EUR|High: €4,081 EUR|Avg: €2,001 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2€823 EUR
Retailer 3€1,082 EUR
Retailer 5€1,212 EUR
Retailer 9€1,238 EUR
Retailer 6€1,410 EUR
Retailer 8€1,779 EUR
Retailer 4€1,991 EUR
Retailer 7€2,404 EUR
Retailer 10€3,594 EUR
MOH London€4,033 EUR

14 data points across 10 retailers

11 retailers€823 EUR to €4,033 EUR

A
Cheapest Retailer
-
€823 EUR
$920 USD
A
Retailer 2
-
€1,082 EUR
$1,209 USD
View
A
Retailer 3
-
€1,177 EUR
$1,315 USD
View
B+
Retailer 4
-
€1,212 EUR
$1,354 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,255 EUR
$1,402 USD
View
Retailer 6
-
€1,255 EUR
$1,402 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€1,410 EUR
$1,575 USD
View
B
Retailer 8
-
€1,991 EUR
$2,224 USD
View
B
Retailer 9
-
€2,352 EUR
$2,628 USD
View
B
Retailer 10
-
€2,404 EUR
$2,686 USD
View
Most Expensive
B
MOH London
LG436073778 · Nov 1
€4,033 EUR
£3,548 GBP
View
10 more retailers have this diamond
Prices start from €823 EURSave up to €3,210 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
1.63ct Princess
€823 EUR