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Princess|Lab Grown|IGI

1.21ct D SI1 Princess Lab Grown Diamond

EX • D/SI1 • IGI LG726537000

Shape and cutting style on the report: Princess cut

Certificate IGI LG726537000

Diamond specifications and retailer prices

From HK$1,522 HKD
As of November 6, 2026
Save HK$7,694 HKD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$9,216 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.21ct lab-grown princess diamond

This 1.21ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG726537000 or 726537000. Listed at 19 retailers as of November 6, 2026, with prices from HK$1,522 to HK$9,216, a HK$7,694 spread on the same certified stone. Reve Diamonds lists it at HK$9,216. 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

1.21
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726537000
Dimensions5.76 × 5.74 × 4.25 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.76 mm5.74 mm1.21 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726537000
Side View
Table 69.0%Crown 46.5°Girdle: MediumPavilion 39.8°Culet: NoneDepth 74.0%

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 6
Current: HK$3,405 HKD|Low: HK$1,506 HKD|High: HK$9,493 HKD|Avg: HK$4,512 HKD|+4.6%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 4HK$1,522 HKD
Retailer 5HK$1,702 HKD
Retailer 13HK$1,765 HKD
Retailer 7HK$1,891 HKD
Retailer 16HK$1,891 HKD
Retailer 2HK$3,287 HKD
Retailer 1HK$3,405 HKD
Retailer 8HK$3,507 HKD
Retailer 12HK$3,601 HKD
Retailer 15HK$3,813 HKD
Retailer 14HK$4,982 HKD
Retailer 3HK$6,072 HKD
Retailer 9HK$6,088 HKD
Retailer 11HK$6,198 HKD
Retailer 6HK$6,488 HKD
Retailer 10HK$8,826 HKD
Reve DiamondsHK$9,216 HKD

45 data points across 17 retailers

19 retailersHK$1,522 HKD to HK$9,216 HKD

A
Cheapest Retailer
-
HK$1,522 HKD
A
Retailer 2
-
HK$1,702 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,765 HKD
View
Retailer 4
-
HK$1,851 HKD
View
Price last confirmed 45 days ago
A
Retailer 5
-
HK$1,891 HKD
View
Retailer 6
-
HK$1,891 HKD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
HK$3,287 HKD
View
B+
Retailer 8
-
HK$3,405 HKD
View
B+
Retailer 9
-
HK$3,507 HKD
View
Retailer 10
-
HK$3,601 HKD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$3,813 HKD
View
Retailer 12
-
HK$4,982 HKD
View
Price last confirmed 9 days ago
B
Retailer 13
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HK$5,146 HKD
View
B
Retailer 14
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HK$6,072 HKD
View
B
Retailer 15
-
HK$6,088 HKD
View
B
Retailer 16
-
HK$6,198 HKD
View
B
Retailer 17
-
HK$6,488 HKD
View
B
Retailer 18
-
HK$8,826 HKD
View
Most Expensive
B
Reve Diamonds
A3692AA53 · Nov 6
HK$9,216 HKD
$1,175 USD
View
18 more retailers have this diamond
Prices start from HK$1,522 HKDSave up to HK$7,694 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
1.21ct Princess
HK$1,522 HKD