CaratHunter
Plans
Princess|Lab Grown|IGI

1.21ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG715553368

Shape and cutting style on the report: Princess cut

Certificate IGI LG715553368

Diamond specifications and retailer prices

From HK$3,060 HKD
$390 USD
As of October 30, 2026
Save HK$12,082 HKD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$15,142 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.21ct lab-grown princess diamond

This 1.21ct lab-grown princess sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG715553368 or 715553368. Listed at 23 retailers as of October 29, 2026, with prices from HK$3,060 to HK$15,142, a HK$12,082 spread on the same certified stone. Brilliant Earth lists it at HK$15,142. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715553368
Dimensions5.84 × 5.73 × 4.07 mm
L/W Ratio1.02
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
5.84 mm5.73 mm1.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715553368
Side View
Table 70.0%Crown 43.9°Girdle: MediumPavilion 37.2°Culet: NoneDepth 71.0%

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: Oct 30
Current: HK$15,142 HKD|Low: HK$3,036 HKD|High: HK$15,142 HKD|Avg: HK$7,939 HKD
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
October 31, 2026
Retailer 12HK$3,060 HKD
Retailer 3HK$3,429 HKD
Retailer 21HK$3,429 HKD
Retailer 7HK$3,797 HKD
Retailer 14HK$3,797 HKD
Retailer 16HK$4,027 HKD
Retailer 22HK$4,943 HKD
Retailer 6HK$5,618 HKD
Retailer 9HK$6,025 HKD
Retailer 20HK$6,524 HKD
Retailer 4HK$6,551 HKD
Retailer 18HK$6,673 HKD
Retailer 2HK$6,882 HKD
Retailer 17HK$9,251 HKD
Retailer 8HK$9,540 HKD
Retailer 13HK$10,097 HKD
Retailer 5HK$11,572 HKD
Retailer 11HK$12,208 HKD
Retailer 15HK$12,496 HKD
Retailer 10HK$14,128 HKD
Retailer 19HK$14,916 HKD
Brilliant EarthHK$15,142 HKD

28 data points across 22 retailers

23 retailersHK$3,060 HKD to HK$15,142 HKD

A
Cheapest Retailer
-
HK$3,060 HKD
$390 USD
A
Retailer 2
-
HK$3,429 HKD
$437 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,429 HKD
$437 USD
View
A
Retailer 4
-
HK$3,797 HKD
$484 USD
View
A
Retailer 5
-
HK$3,797 HKD
$484 USD
View
A
Retailer 6
-
HK$4,027 HKD
£404 GBP
View
A
Retailer 7
-
HK$4,943 HKD
$630 USD
View
A
Retailer 8
-
HK$5,618 HKD
$716 USD
View
B+
Retailer 9
-
HK$6,025 HKD
$768 USD
View
B+
Retailer 10
-
HK$6,524 HKD
ZAR 13,434 ZAR
View
B+
Retailer 11
-
HK$6,551 HKD
$835 USD
View
B+
Retailer 12
-
HK$6,673 HKD
€810 EUR
View
B+
Retailer 13
-
HK$6,882 HKD
£691 GBP
View
B+
Retailer 14
-
HK$9,251 HKD
A$1,814 AUD
View
B+
Retailer 15
-
HK$9,540 HKD
$1,216 USD
View
B+
Retailer 16
-
HK$10,097 HKD
A$1,980 AUD
View
B
Retailer 17
-
HK$11,572 HKD
$1,475 USD
View
B
Retailer 18
-
HK$12,208 HKD
$1,556 USD
View
B
Retailer 19
-
HK$12,496 HKD
$1,593 USD
View
B
Retailer 20
-
HK$14,128 HKD
$1,801 USD
View
B
Retailer 21
-
HK$14,585 HKD
$1,859 USD
View
B
Retailer 22
-
HK$14,916 HKD
£1,497 GBP
View
Most Expensive
B
Brilliant Earth
14755050A · Oct 29
HK$15,142 HKD
$1,930 USD
View
22 more retailers have this diamond
Prices start from HK$3,060 HKDSave up to HK$12,082 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$3,060 HKD