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Princess|Lab Grown|IGI

1.70ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG447099080

Shape and cutting style on the report: Princess cut

Certificate IGI LG447099080

Diamond specifications and retailer prices

From €850 EUR
$950 USD
As of October 31, 2026
Save €4,006 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,856 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown princess diamond

This 1.7ct 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 LG447099080 or 447099080. Listed at 11 retailers as of October 29, 2026, with prices from €850 to €4,856, a €4,006 spread on the same certified stone. MOH London lists it at €4,856. 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

1.70
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099080
Dimensions6.49 × 6.38 × 4.61 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
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Top View
6.49 mm6.38 mm1.70 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099080
Side View
Table 70.0%Crown 46.6°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 72.3%

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: Oct 31
Current: €4,856 EUR|Low: €850 EUR|High: €4,889 EUR|Avg: €2,473 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2€850 EUR
Retailer 5€1,458 EUR
Retailer 7€1,633 EUR
Retailer 10€1,668 EUR
Retailer 3€1,746 EUR
Retailer 8€1,844 EUR
Retailer 9€2,274 EUR
Retailer 6€2,659 EUR
Retailer 4€2,916 EUR
Retailer 11€4,843 EUR
MOH London€4,856 EUR

12 data points across 11 retailers

11 retailers€850 EUR to €4,856 EUR

A
Cheapest Retailer
-
€850 EUR
$950 USD
B+
Retailer 2
-
€1,458 EUR
$1,629 USD
View
B+
Retailer 3
-
€1,586 EUR
$1,772 USD
View
B+
Retailer 4
-
€1,633 EUR
$1,824 USD
View
Final sale: no returns
Retailer 5
-
€1,692 EUR
$1,890 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€1,692 EUR
$1,890 USD
View
B+
Retailer 7
-
€1,844 EUR
$2,060 USD
View
B
Retailer 8
-
€2,659 EUR
$2,971 USD
View
B
Retailer 9
-
€2,916 EUR
$3,258 USD
View
B
Retailer 10
-
€3,170 EUR
$3,542 USD
View
Most Expensive
B
MOH London
LG447099080 · Oct 29
€4,856 EUR
£4,272 GBP
View
10 more retailers have this diamond
Prices start from €850 EURSave up to €4,006 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
1.70ct Princess
€850 EUR