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Radiant|Lab Grown|IGI

1.28ct D FL Radiant Lab Grown Diamond

GD • D/FL

Diamond specifications and retailer prices

From HK$1,875 HKD
As of November 2, 2026
Save HK$12,781 HKD (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$14,656 HKD at Blue Nile · As of November 3, 2026
View at Blue Nile

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI. Listed at 5 retailers as of November 2, 2026, with prices from HK$1,875 to HK$14,656, a HK$12,781 spread on the same certified stone. Blue Nile lists it at HK$14,656. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.74 × 5.26 × 3.72 mm
L/W Ratio1.47
Top View
7.74 mm5.26 mm1.28 ctD / FL
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 62.0%CrownGirdle: MediumPavilionCulet: NoneDepth 70.7%

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: Nov 2
Current: HK$14,656 HKD|Low: HK$1,875 HKD|High: HK$21,105 HKD|Avg: HK$9,374 HKD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2HK$1,875 HKD
Retailer 5HK$2,173 HKD
Retailer 3HK$4,221 HKD
Retailer 4HK$8,246 HKD
Blue NileHK$14,656 HKD
Retailer 6HK$21,105 HKD

12 data points across 6 retailers

5 retailersHK$1,875 HKD to HK$14,656 HKD

A
Cheapest Retailer
-
HK$1,875 HKD
A
Retailer 2
-
HK$2,173 HKD
View
B+
Retailer 3
-
HK$4,221 HKD
View
B+
Retailer 4
-
HK$8,246 HKD
View
Most Expensive
C
Blue Nile
30353400 · Nov 3
HK$14,656 HKD
$1,868 USD
View
4 more retailers have this diamond
Prices start from HK$1,875 HKDSave up to HK$12,781 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 Radiant
HK$1,875 HKD