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Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1

Diamond specifications and retailer prices

From HK$3,868 HKD
$493 USD
As of October 30, 2026
Save HK$8,748 HKD (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$12,616 HKD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 5 retailers as of October 30, 2026, with prices from HK$3,868 to HK$12,616, a HK$8,748 spread on the same certified stone. NZ Jewellers lists it at HK$12,616. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.42 × 5.68 × 3.88 mm
L/W Ratio1.31
Top View
7.42 mm5.68 mm1.54 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 68.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.3%

Caratlytics Score

How it works →
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$12,616 HKD|Low: HK$2,785 HKD|High: HK$12,616 HKD|Avg: HK$5,766 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7HK$2,785 HKD
Retailer 5HK$3,868 HKD
Retailer 4HK$4,331 HKD
Retailer 3HK$4,794 HKD
Retailer 2HK$5,338 HKD
Retailer 6HK$8,905 HKD
NZ JewellersHK$12,616 HKD

40 data points across 7 retailers

5 retailersHK$3,868 HKD to HK$12,616 HKD

A
Cheapest Retailer
-
HK$3,868 HKD
$493 USD
B+
Retailer 2
-
HK$4,331 HKD
$552 USD
View
B+
Retailer 3
-
HK$4,794 HKD
$611 USD
View
B+
Retailer 4
-
HK$5,338 HKD
£536 GBP
View
Most Expensive
B
NZ Jewellers
1940ab90-0c08-4d6c-8aa6-403f394bc31a · Nov 1
HK$12,616 HKD
$1,608 USD
View
4 more retailers have this diamond
Prices start from HK$3,868 HKDSave up to HK$8,748 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
1.54ct Radiant
HK$3,868 HKD