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Princess|Lab Grown|IGI

1.50ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG623405979

Shape and cutting style on the report: Princess cut

Certificate IGI LG623405979

Diamond specifications and retailer prices

From HK$1,654 HKD
As of November 6, 2026
Save HK$6,654 HKD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$8,308 HKD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.5ct lab-grown princess diamond

This 1.5ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623405979 or 623405979. Listed at 16 retailers as of November 6, 2026, with prices from HK$1,654 to HK$8,308, a HK$6,654 spread on the same certified stone. Brilliant Earth lists it at HK$8,308. 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

1.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623405979
Dimensions6.04 × 5.98 × 4.60 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.04 mm5.98 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623405979
Side View
Table 76.0%Crown 45.6°Girdle: ThickPavilion 40.5°Culet: NoneDepth 76.9%

Caratlytics Score

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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: Nov 6
Current: HK$8,308 HKD|Low: HK$1,654 HKD|High: HK$13,010 HKD|Avg: HK$4,965 HKD|-36.1%
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
November 6, 2026
Retailer 3HK$1,654 HKD
Retailer 12HK$1,920 HKD
Retailer 5HK$2,053 HKD
Retailer 6HK$2,077 HKD
Retailer 2HK$2,610 HKD
Retailer 4HK$3,464 HKD
Retailer 14HK$3,535 HKD
Retailer 7HK$3,754 HKD
Retailer 13HK$4,052 HKD
Retailer 10HK$6,607 HKD
Retailer 11HK$6,630 HKD
Retailer 9HK$6,662 HKD
Retailer 8HK$8,206 HKD
Brilliant EarthHK$8,308 HKD

39 data points across 14 retailers

16 retailersHK$1,654 HKD to HK$8,308 HKD

A
Cheapest Retailer
-
HK$1,654 HKD
A
Retailer 2
-
HK$1,857 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,920 HKD
View
A
Retailer 4
-
HK$2,053 HKD
View
Retailer 5
-
HK$2,077 HKD
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$2,610 HKD
View
Retailer 7
-
HK$3,464 HKD
View
Price last confirmed 9 days ago
A
Retailer 8
-
HK$3,535 HKD
View
B+
Retailer 9
-
HK$3,621 HKD
View
A
Retailer 10
-
HK$3,754 HKD
View
B+
Retailer 11
-
HK$4,052 HKD
View
B
Retailer 12
-
HK$6,607 HKD
View
B
Retailer 13
-
HK$6,630 HKD
View
B
Retailer 14
-
HK$6,662 HKD
View
B
Retailer 15
-
HK$8,206 HKD
View
Most Expensive
B
Brilliant Earth
10774028A · Nov 6
HK$8,308 HKD
$1,060 USD
View
15 more retailers have this diamond
Prices start from HK$1,654 HKDSave up to HK$6,654 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
1.50ct Princess
HK$1,654 HKD