Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

EX • D/FL

Diamond specifications and retailer prices

From HK$4,354 HKD
$555 USD
As of October 30, 2026
Save HK$26,770 HKD (86%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$31,124 HKD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.89ct lab-grown radiant diamond

This 1.89ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 5 retailers as of October 30, 2026, with prices from HK$4,354 to HK$31,124, a HK$26,770 spread on the same certified stone. Blue Nile lists it at HK$31,124. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.50 × 6.21 × 4.31 mm
L/W Ratio1.37
Top View
8.50 mm6.21 mm1.89 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.0%CrownGirdle: MediumPavilionCulet: NoneDepth 69.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$31,124 HKD|Low: HK$4,354 HKD|High: HK$40,500 HKD|Avg: HK$17,866 HKD|+8.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2HK$4,354 HKD
Retailer 5HK$4,880 HKD
Retailer 3HK$7,297 HKD
Retailer 4HK$15,684 HKD
Blue NileHK$31,124 HKD
Retailer 6HK$40,500 HKD

9 data points across 6 retailers

5 retailersHK$4,354 HKD to HK$31,124 HKD

A
Cheapest Retailer
-
HK$4,354 HKD
$555 USD
A
Retailer 2
-
HK$4,880 HKD
$622 USD
View
A
Retailer 3
-
HK$7,297 HKD
$930 USD
View
B+
Retailer 4
-
HK$15,684 HKD
$1,999 USD
View
Most Expensive
B
Blue Nile
30353459 · Oct 31
HK$31,124 HKD
$3,967 USD
View
4 more retailers have this diamond
Prices start from HK$4,354 HKDSave up to HK$26,770 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
1.89ct Radiant
HK$4,354 HKD