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Radiant|Natural|GIA

1.51ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 6545823175

Certificate GIA 6545823175

Diamond specifications and retailer prices

From HK$59,141 HKD
$7,538 USD
As of November 1, 2026
Save HK$67,183 HKD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$126,324 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545823175. Listed at 14 retailers as of October 30, 2026, with prices from HK$59,141 to HK$126,324, a HK$67,183 spread on the same certified stone. NZ Jewellers lists it at HK$126,324. 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

1.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6545823175
Dimensions7.89 × 5.72 × 3.88 mm
L/W Ratio1.38
Top View
7.89 mm5.72 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545823175
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.9%

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 1
Current: HK$126,324 HKD|Low: HK$59,141 HKD|High: HK$126,324 HKD|Avg: HK$77,939 HKD
NZ Jewellers
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
November 2, 2026
Retailer 6HK$59,141 HKD
Retailer 4HK$62,058 HKD
Retailer 12HK$63,166 HKD
Retailer 14HK$63,691 HKD
Retailer 11HK$68,430 HKD
Retailer 10HK$69,482 HKD
Retailer 8HK$70,523 HKD
Retailer 7HK$72,581 HKD
Retailer 2HK$76,811 HKD
Retailer 13HK$78,951 HKD
Retailer 5HK$78,975 HKD
Retailer 15HK$83,149 HKD
Retailer 3HK$90,040 HKD
Retailer 9HK$105,260 HKD
NZ JewellersHK$126,324 HKD

42 data points across 15 retailers

14 retailersHK$59,141 HKD to HK$126,324 HKD

A
Cheapest Retailer
-
HK$59,141 HKD
$7,538 USD
B+
Retailer 2
-
HK$62,058 HKD
CA$10,986 CAD
View
B+
Retailer 3
-
HK$63,166 HKD
$8,051 USD
View
B+
Retailer 4
-
HK$63,691 HKD
$8,118 USD
View
B+
Retailer 5
-
HK$68,430 HKD
$8,722 USD
View
B+
Retailer 6
-
HK$69,482 HKD
$8,856 USD
View
B+
Retailer 7
-
HK$70,523 HKD
£7,078 GBP
View
B+
Retailer 8
-
HK$72,581 HKD
$9,251 USD
View
B
Retailer 9
-
HK$74,832 HKD
$9,538 USD
View
B+
Retailer 10
-
HK$76,811 HKD
€9,324 EUR
View
B+
Retailer 11
-
HK$78,951 HKD
$10,063 USD
View
B+
Retailer 12
-
HK$78,975 HKD
$10,066 USD
View
B
Retailer 13
-
HK$105,260 HKD
£10,564 GBP
View
Most Expensive
B
NZ Jewellers
ad15a242-6351-421f-8ec9-3852edf42832 · Oct 30
HK$126,324 HKD
$16,101 USD
View
13 more retailers have this diamond
Prices start from HK$59,141 HKDSave up to HK$67,183 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
1.51ct Radiant
HK$59,141 HKD