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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 $1,352 AUD
$950 USD
As of October 31, 2026
Save $6,371 AUD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,724 AUD 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 $1,352 to $7,724, a $6,371 spread on the same certified stone. MOH London lists it at $7,724. 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
Colour
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: $7,724 AUD|Low: $1,352 AUD|High: $7,776 AUD|Avg: $3,933 AUD|+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$1,352 AUD
Retailer 5$2,319 AUD
Retailer 7$2,597 AUD
Retailer 10$2,654 AUD
Retailer 3$2,777 AUD
Retailer 8$2,933 AUD
Retailer 9$3,616 AUD
Retailer 6$4,230 AUD
Retailer 4$4,638 AUD
Retailer 11$7,702 AUD
MOH London$7,724 AUD

12 data points across 11 retailers

11 retailers$1,352 AUD to $7,724 AUD

A
Cheapest Retailer
-
$1,352 AUD
$950 USD
B+
Retailer 2
-
$2,319 AUD
$1,629 USD
View
B+
Retailer 3
-
$2,523 AUD
$1,772 USD
View
B+
Retailer 4
-
$2,597 AUD
$1,824 USD
View
Final sale: no returns
Retailer 5
-
$2,691 AUD
$1,890 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,691 AUD
$1,890 USD
View
B+
Retailer 7
-
$2,933 AUD
$2,060 USD
View
B
Retailer 8
-
$4,230 AUD
$2,971 USD
View
B
Retailer 9
-
$4,638 AUD
$3,258 USD
View
B
Retailer 10
-
$5,042 AUD
$3,542 USD
View
Most Expensive
B
MOH London
LG447099080 · Oct 29
$7,724 AUD
£4,272 GBP
View
10 more retailers have this diamond
Prices start from $1,352 AUDSave up to $6,371 AUD

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
$1,352 AUD