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Princess|Lab Grown|IGI

1.09ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG731589812

Shape and cutting style on the report: Princess cut

Certificate IGI LG731589812

Diamond specifications and retailer prices

From HK$2,754 HKD
$351 USD
As of November 2, 2026
Save HK$15,605 HKD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$18,359 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.09ct lab-grown princess diamond

This 1.09ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731589812 or 731589812. Listed at 23 retailers as of October 31, 2026, with prices from HK$2,754 to HK$18,359, a HK$15,605 spread on the same certified stone. Brilliant Earth lists it at HK$18,359. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731589812
Dimensions5.75 × 5.64 × 3.77 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.75 mm5.64 mm1.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731589812
Side View
Table 66.0%Crown 40.4°Girdle: MED-STKPavilion 37°Culet: NoneDepth 66.8%

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: Nov 2
Current: HK$18,359 HKD|Low: HK$2,699 HKD|High: HK$19,850 HKD|Avg: HK$8,116 HKD|-7.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 9HK$2,754 HKD
Retailer 10HK$3,076 HKD
Retailer 21HK$3,193 HKD
Retailer 4HK$3,413 HKD
Retailer 11HK$3,413 HKD
Retailer 2HK$3,511 HKD
Retailer 22HK$4,245 HKD
Retailer 20HK$4,590 HKD
Retailer 14HK$4,904 HKD
Retailer 18HK$5,635 HKD
Retailer 13HK$5,880 HKD
Retailer 16HK$6,133 HKD
Retailer 19HK$8,282 HKD
Retailer 5HK$9,125 HKD
Retailer 15HK$10,434 HKD
Retailer 7HK$10,960 HKD
Retailer 3HK$10,984 HKD
Retailer 12HK$11,289 HKD
Retailer 6HK$13,133 HKD
Retailer 8HK$13,272 HKD
Retailer 17HK$13,322 HKD
Brilliant EarthHK$18,359 HKD

34 data points across 22 retailers

23 retailersHK$2,754 HKD to HK$18,359 HKD

A
Cheapest Retailer
-
HK$2,754 HKD
$351 USD
A
Retailer 2
-
HK$3,076 HKD
$392 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,193 HKD
$407 USD
View
Retailer 4
-
HK$3,413 HKD
$435 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$3,413 HKD
$435 USD
View
A
Retailer 6
-
HK$3,511 HKD
£352 GBP
View
A
Retailer 7
-
HK$4,245 HKD
$541 USD
View
A
Retailer 8
-
HK$4,590 HKD
$585 USD
View
A
Retailer 9
-
HK$4,904 HKD
$625 USD
View
A
Retailer 10
-
HK$5,635 HKD
€684 EUR
View
A
Retailer 11
-
HK$5,880 HKD
ZAR 12,108 ZAR
View
B+
Retailer 12
-
HK$6,133 HKD
£615 GBP
View
B+
Retailer 13
-
HK$8,282 HKD
A$1,624 AUD
View
B+
Retailer 14
-
HK$9,125 HKD
$1,163 USD
View
Retailer 15
-
HK$10,434 HKD
A$2,046 AUD
View
Price last confirmed 28 days ago
B
Retailer 16
-
HK$10,960 HKD
$1,397 USD
View
Retailer 17
-
HK$10,984 HKD
$1,400 USD
View
Price last confirmed 15 days ago
B
Retailer 18
-
HK$11,289 HKD
$1,439 USD
View
B
Retailer 19
-
HK$13,133 HKD
$1,674 USD
View
B
Retailer 20
-
HK$13,272 HKD
£1,332 GBP
View
B
Retailer 21
-
HK$13,314 HKD
$1,697 USD
View
B
Retailer 22
-
HK$13,322 HKD
£1,337 GBP
View
Most Expensive
B
Brilliant Earth
15765517A · Oct 31
HK$18,359 HKD
$2,340 USD
View
22 more retailers have this diamond
Prices start from HK$2,754 HKDSave up to HK$15,605 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
1.09ct Princess
HK$2,754 HKD