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Princess|Lab Grown|IGI

1.71ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG447001591

Shape and cutting style on the report: Princess cut

Certificate IGI LG447001591

Diamond specifications and retailer prices

From HK$7,532 HKD
$960 USD
As of October 31, 2026
Save HK$35,284 HKD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$42,815 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.71ct lab-grown princess diamond

This 1.71ct 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 LG447001591 or 447001591. Listed at 11 retailers as of October 29, 2026, with prices from HK$7,532 to HK$42,815, a HK$35,284 spread on the same certified stone. MOH London lists it at HK$42,815. 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

1.71
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001591
Dimensions6.52 × 6.36 × 4.69 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
undefined
Top View
6.52 mm6.36 mm1.71 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001591
Side View
Table 69.5%Crown 44.3°Girdle: MediumPavilion 38.3°Culet: NoneDepth 73.7%

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: HK$42,815 HKD|Low: HK$7,532 HKD|High: HK$43,104 HKD|Avg: HK$22,551 HKD|+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 2HK$7,532 HKD
Retailer 4HK$12,851 HKD
Retailer 6HK$14,389 HKD
Retailer 9HK$14,703 HKD
Retailer 7HK$16,241 HKD
Retailer 8HK$20,030 HKD
Retailer 5HK$23,443 HKD
Retailer 3HK$25,710 HKD
Retailer 10HK$42,696 HKD
MOH LondonHK$42,815 HKD

14 data points across 10 retailers

11 retailersHK$7,532 HKD to HK$42,815 HKD

A
Cheapest Retailer
-
HK$7,532 HKD
$960 USD
B+
Retailer 2
-
HK$12,851 HKD
$1,638 USD
View
B+
Retailer 3
-
HK$13,989 HKD
$1,783 USD
View
B+
Retailer 4
-
HK$14,389 HKD
$1,834 USD
View
Final sale: no returns
Retailer 5
-
HK$14,915 HKD
$1,901 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
HK$14,915 HKD
$1,901 USD
View
B+
Retailer 7
-
HK$16,241 HKD
$2,070 USD
View
B
Retailer 8
-
HK$23,443 HKD
$2,988 USD
View
B
Retailer 9
-
HK$25,710 HKD
$3,277 USD
View
B
Retailer 10
-
HK$27,946 HKD
$3,562 USD
View
Most Expensive
B
MOH London
LG447001591 · Oct 29
HK$42,815 HKD
£4,297 GBP
View
10 more retailers have this diamond
Prices start from HK$7,532 HKDSave up to HK$35,284 HKD

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
1.71ct Princess
HK$7,532 HKD