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Princess|Lab Grown|IGI

1.28ct E FL Princess Lab Grown Diamond

ID • E/FL • IGI LG764613089

Shape and cutting style on the report: Princess cut

Certificate IGI LG764613089

Diamond specifications and retailer prices

From HK$3,633 HKD
$463 USD
As of October 30, 2026
Save HK$17,709 HKD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$21,342 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.28ct lab-grown princess diamond

This 1.28ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG764613089 or 764613089. Listed at 18 retailers as of October 29, 2026, with prices from HK$3,633 to HK$21,342, a HK$17,709 spread on the same certified stone. Brilliant Earth lists it at HK$21,342. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764613089
Dimensions5.96 × 5.95 × 4.15 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
5.96 mm5.95 mm1.28 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764613089
Side View
Table 67.0%Crown 42.8°Girdle: MediumPavilion 38.6°Culet: NoneDepth 69.7%

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 30
Current: HK$21,342 HKD|Low: HK$3,484 HKD|High: HK$23,876 HKD|Avg: HK$9,277 HKD|-2.5%
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
October 30, 2026
Retailer 14HK$3,633 HKD
Retailer 7HK$4,064 HKD
Retailer 3HK$4,504 HKD
Retailer 15HK$4,504 HKD
Retailer 12HK$5,610 HKD
Retailer 5HK$6,873 HKD
Retailer 9HK$6,896 HKD
Retailer 16HK$7,038 HKD
Retailer 6HK$7,391 HKD
Retailer 2HK$7,444 HKD
Retailer 11HK$7,737 HKD
Retailer 13HK$12,099 HKD
Retailer 4HK$14,284 HKD
Retailer 8HK$14,713 HKD
Retailer 10HK$16,631 HKD
Brilliant EarthHK$21,342 HKD

44 data points across 16 retailers

18 retailersHK$3,633 HKD to HK$21,342 HKD

A
Cheapest Retailer
-
HK$3,633 HKD
$463 USD
A
Retailer 2
-
HK$4,064 HKD
$518 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,064 HKD
$518 USD
View
Retailer 4
-
HK$4,504 HKD
$574 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
HK$4,504 HKD
$574 USD
View
A
Retailer 6
-
HK$5,610 HKD
$715 USD
View
A
Retailer 7
-
HK$6,873 HKD
$876 USD
View
A
Retailer 8
-
HK$6,896 HKD
€837 EUR
View
A
Retailer 9
-
HK$7,038 HKD
$897 USD
View
A
Retailer 10
-
HK$7,391 HKD
$942 USD
View
A
Retailer 11
-
HK$7,444 HKD
£747 GBP
View
A
Retailer 12
-
HK$7,737 HKD
ZAR 15,930 ZAR
View
B+
Retailer 13
-
HK$12,099 HKD
$1,542 USD
View
B+
Retailer 14
-
HK$14,284 HKD
SGD 2,460 SGD
View
B+
Retailer 15
-
HK$14,477 HKD
$1,845 USD
View
B+
Retailer 16
-
HK$14,713 HKD
$1,875 USD
View
B+
Retailer 17
-
HK$16,631 HKD
£1,669 GBP
View
Most Expensive
B
Brilliant Earth
18702167A · Oct 29
HK$21,342 HKD
$2,720 USD
View
17 more retailers have this diamond
Prices start from HK$3,633 HKDSave up to HK$17,709 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
1.28ct Princess
HK$3,633 HKD