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Radiant|Natural|GIA

1.51ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6522977444

Certificate GIA 6522977444

Diamond specifications and retailer prices

From HK$49,478 HKD
As of November 6, 2026
Save HK$61,978 HKD (56%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: HK$111,456 HKD at NZ Jewellers · As of November 5, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6522977444. Listed at 30 retailers as of November 5, 2026, with prices from HK$49,478 to HK$111,456, a HK$61,978 spread on the same certified stone. NZ Jewellers lists it at HK$111,456. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6522977444
Dimensions7.64 × 5.66 × 3.77 mm
L/W Ratio1.35
Top View
7.64 mm5.66 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522977444
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$62,307 HKD|Low: HK$52,652 HKD|High: HK$93,986 HKD|Avg: HK$69,038 HKD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 5HK$52,652 HKD
Retailer 8HK$53,279 HKD
Retailer 1HK$62,307 HKD
Retailer 2HK$62,448 HKD
Retailer 7HK$63,930 HKD
Retailer 3HK$72,394 HKD
Retailer 4HK$81,297 HKD
Retailer 6HK$92,615 HKD

37 data points across 8 retailers

30 retailersHK$49,478 HKD to HK$111,456 HKD

B+
Cheapest Retailer
-
HK$49,478 HKD
B+
Retailer 2
-
HK$51,703 HKD
View
B+
Retailer 3
-
HK$51,876 HKD
View
B+
Retailer 4
-
HK$52,652 HKD
View
B+
Retailer 5
-
HK$53,279 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$53,482 HKD
View
B+
Retailer 7
-
HK$55,019 HKD
View
B+
Retailer 8
-
HK$55,724 HKD
View
Retailer 9
-
HK$55,724 HKD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
HK$56,194 HKD
View
B
Retailer 11
-
HK$59,353 HKD
View
B+
Retailer 12
-
HK$60,371 HKD
View
B+
Retailer 13
-
HK$61,296 HKD
View
B+
Retailer 14
-
HK$61,633 HKD
View
B+
Retailer 15
-
HK$62,307 HKD
View
B+
Retailer 16
-
HK$62,362 HKD
View
B+
Retailer 17
-
HK$62,448 HKD
View
B
Retailer 18
-
HK$63,836 HKD
View
Retailer 19
-
HK$63,930 HKD
View
Price last confirmed 16 days ago
B
Retailer 20
-
HK$66,540 HKD
View
B
Retailer 21
-
HK$66,540 HKD
View
B
Retailer 22
-
HK$67,308 HKD
View
B
Retailer 23
-
HK$68,734 HKD
View
B
Retailer 24
-
HK$69,659 HKD
View
B
Retailer 25
-
HK$72,394 HKD
View
Retailer 26
-
HK$73,389 HKD
View
Price last confirmed 15 days ago
B
Retailer 27
-
HK$73,523 HKD
View
B
Retailer 28
-
HK$81,297 HKD
View
B
Retailer 29
-
HK$92,615 HKD
View
Most Expensive
B
NZ Jewellers
187c7af1-6df5-4fe3-81b8-deb2d3b7cfab · Nov 5
HK$111,456 HKD
$14,221 USD
View
29 more retailers have this diamond
Prices start from HK$49,478 HKDSave up to HK$61,978 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.

B+
1.51ct Radiant
HK$49,478 HKD