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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 $1,214 SGD
$950 USD
As of October 30, 2026
Save $5,721 SGD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,936 SGD 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 $1,214 to $6,936, a $5,721 spread on the same certified stone. MOH London lists it at $6,936. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,936 SGD|Low: $1,214 SGD|High: $6,983 SGD|Avg: $3,655 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,214 SGD
Retailer 4$2,083 SGD
Retailer 6$2,332 SGD
Retailer 10$2,494 SGD
Retailer 7$2,634 SGD
Retailer 8$3,247 SGD
Retailer 5$3,798 SGD
Retailer 3$4,165 SGD
Retailer 9$6,916 SGD
MOH London$6,936 SGD

12 data points across 10 retailers

11 retailers$1,214 SGD to $6,936 SGD

A
Cheapest Retailer
-
$1,214 SGD
$950 USD
B+
Retailer 2
-
$2,083 SGD
$1,629 USD
View
B+
Retailer 3
-
$2,265 SGD
$1,772 USD
View
B+
Retailer 4
-
$2,332 SGD
$1,824 USD
View
Final sale: no returns
Retailer 5
-
$2,416 SGD
$1,890 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$2,416 SGD
$1,890 USD
View
B+
Retailer 7
-
$2,634 SGD
$2,060 USD
View
B
Retailer 8
-
$3,798 SGD
$2,971 USD
View
B
Retailer 9
-
$4,165 SGD
$3,258 USD
View
B
Retailer 10
-
$4,528 SGD
$3,542 USD
View
Most Expensive
B
MOH London
LG447099080 · Oct 29
$6,936 SGD
£4,272 GBP
View
10 more retailers have this diamond
Prices start from $1,214 SGDSave up to $5,721 SGD

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
$1,214 SGD