CaratHunter
Plans
Princess|Lab Grown|IGI

1.28ct F IF Princess Lab Grown Diamond

ID • F/IF • IGI LG683544256

Shape and cutting style on the report: Princess cut

Certificate IGI LG683544256

Diamond specifications and retailer prices

From HK$3,405 HKD
As of November 4, 2026
Save HK$14,012 HKD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$17,416 HKD at Brilliant Earth · As of November 4, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683544256 or 683544256. Listed at 23 retailers as of November 4, 2026, with prices from HK$3,405 to HK$17,416, a HK$14,012 spread on the same certified stone. Brilliant Earth lists it at HK$17,416. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683544256
Dimensions5.92 × 5.90 × 4.14 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
5.92 mm5.90 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683544256
Side View
Table 67.0%Crown 41.7°Girdle: THN-MEDPavilion 37.9°Culet: NoneDepth 70.2%

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 4
Current: HK$17,416 HKD|Low: HK$3,373 HKD|High: HK$17,416 HKD|Avg: HK$8,812 HKD|+0.5%
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
November 6, 2026
Retailer 10HK$3,405 HKD
Retailer 20HK$3,813 HKD
Retailer 21HK$3,821 HKD
Retailer 6HK$4,229 HKD
Retailer 11HK$4,229 HKD
Retailer 17HK$5,374 HKD
Retailer 5HK$6,025 HKD
Retailer 7HK$6,653 HKD
Retailer 2HK$6,904 HKD
Retailer 18HK$7,288 HKD
Retailer 19HK$7,429 HKD
Retailer 4HK$7,508 HKD
Retailer 14HK$10,262 HKD
Retailer 13HK$10,324 HKD
Retailer 3HK$11,297 HKD
Retailer 16HK$11,854 HKD
Retailer 9HK$13,588 HKD
Retailer 12HK$13,831 HKD
Retailer 8HK$15,228 HKD
Retailer 15HK$15,479 HKD
Brilliant EarthHK$17,416 HKD

37 data points across 21 retailers

23 retailersHK$3,405 HKD to HK$17,416 HKD

A
Cheapest Retailer
-
HK$3,405 HKD
A
Retailer 2
-
HK$3,813 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$3,821 HKD
View
A
Retailer 4
-
HK$4,229 HKD
View
Retailer 5
-
HK$4,229 HKD
View
Price last confirmed 12 days ago
A
Retailer 6
-
HK$5,374 HKD
View
A
Retailer 7
-
HK$6,025 HKD
View
A
Retailer 8
-
HK$6,653 HKD
View
A
Retailer 9
-
HK$6,904 HKD
View
B+
Retailer 10
-
HK$7,288 HKD
View
Retailer 11
-
HK$7,429 HKD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
HK$7,508 HKD
View
Retailer 13
-
HK$10,262 HKD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
HK$10,324 HKD
View
B+
Retailer 15
-
HK$10,348 HKD
View
Retailer 16
-
HK$11,297 HKD
View
Price last confirmed 19 days ago
B
Retailer 17
-
HK$11,854 HKD
View
B
Retailer 18
-
HK$13,588 HKD
View
B
Retailer 19
-
HK$13,831 HKD
View
B
Retailer 20
-
HK$15,228 HKD
View
B
Retailer 21
-
HK$15,479 HKD
View
B
Retailer 22
-
HK$16,365 HKD
View
Most Expensive
B
Brilliant Earth
14844749A · Nov 4
HK$17,416 HKD
$2,220 USD
View
22 more retailers have this diamond
Prices start from HK$3,405 HKDSave up to HK$14,012 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$3,405 HKD