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Princess|Lab Grown|IGI

1.70ct I SI1 Princess Lab Grown Diamond

ID • I/SI1 • IGI LG447099442

Shape and cutting style on the report: Princess cut

Certificate IGI LG447099442

Diamond specifications and retailer prices

From €859 EUR
$960 USD
As of October 31, 2026
Save €3,484 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,344 EUR at MOH London · As of November 1, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099442 or 447099442. Listed at 11 retailers as of October 31, 2026, with prices from €859 to €4,344, a €3,484 spread on the same certified stone. MOH London lists it at €4,344. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099442
Dimensions6.70 × 6.56 × 4.56 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
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Top View
6.70 mm6.56 mm1.70 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447099442
Side View
Table 73.0%Crown 41°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 69.5%

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: €4,344 EUR|Low: €859 EUR|High: €4,402 EUR|Avg: €2,294 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2€859 EUR
Retailer 4€1,311 EUR
Retailer 6€1,467 EUR
Retailer 10€1,500 EUR
Retailer 7€1,674 EUR
Retailer 3€1,687 EUR
Retailer 9€2,070 EUR
Retailer 5€2,398 EUR
Retailer 8€2,760 EUR
MOH London€4,344 EUR
Retailer 11€4,355 EUR

13 data points across 11 retailers

11 retailers€859 EUR to €4,344 EUR

A
Cheapest Retailer
-
€859 EUR
$960 USD
B+
Retailer 2
-
€1,311 EUR
$1,465 USD
View
B+
Retailer 3
-
€1,427 EUR
$1,594 USD
View
B+
Retailer 4
-
€1,467 EUR
$1,639 USD
View
Final sale: no returns
Retailer 5
-
€1,521 EUR
$1,699 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
€1,521 EUR
$1,699 USD
View
B+
Retailer 7
-
€1,674 EUR
$1,870 USD
View
B
Retailer 8
-
€2,398 EUR
$2,679 USD
View
B
Retailer 9
-
€2,760 EUR
$3,084 USD
View
B
Retailer 10
-
€2,851 EUR
$3,185 USD
View
Most Expensive
B
MOH London
LG447099442 · Nov 1
€4,344 EUR
£3,821 GBP
View
10 more retailers have this diamond
Prices start from €859 EURSave up to €3,484 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
€859 EUR