Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

VG • J/SI1 • GIA 2171943911

Certificate GIA 2171943911

Diamond specifications and retailer prices

From HK$38,444 HKD
$4,900 USD
As of November 1, 2026
Save HK$43,865 HKD (53%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$82,309 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2171943911. Listed at 23 retailers as of October 30, 2026, with prices from HK$38,444 to HK$82,309, a HK$43,865 spread on the same certified stone. NZ Jewellers lists it at HK$82,309. 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

1.51
Carat
J
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2171943911
Dimensions7.12 × 5.74 × 3.98 mm
L/W Ratio1.24
Culet sizeNone
Top View
7.12 mm5.74 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2171943911
Side View
Table 67.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 69.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$82,309 HKD|Low: HK$35,667 HKD|High: HK$82,309 HKD|Avg: HK$52,394 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
November 2, 2026
Retailer 8HK$37,738 HKD
Retailer 10HK$38,883 HKD
Retailer 12HK$41,151 HKD
Retailer 9HK$41,496 HKD
Retailer 3HK$44,579 HKD
Retailer 4HK$44,579 HKD
Retailer 5HK$47,210 HKD
Retailer 11HK$48,647 HKD
Retailer 2HK$53,761 HKD
Retailer 7HK$60,463 HKD
Retailer 6HK$72,498 HKD
NZ JewellersHK$82,309 HKD

44 data points across 12 retailers

23 retailersHK$38,444 HKD to HK$82,309 HKD

Retailer 1
-
HK$37,738 HKD
$4,810 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
HK$38,444 HKD
$4,900 USD
View
B+
Retailer 3
-
HK$38,883 HKD
$4,956 USD
View
B
Retailer 4
-
HK$40,482 HKD
A$7,938 AUD
View
B
Retailer 5
-
HK$41,151 HKD
$5,245 USD
View
Final sale: no returns
B
Retailer 6
-
HK$41,496 HKD
$5,289 USD
View
B
Retailer 7
-
HK$41,661 HKD
$5,310 USD
View
B
Retailer 8
-
HK$44,028 HKD
$5,612 USD
View
B
Retailer 9
-
HK$44,579 HKD
$5,682 USD
View
B
Retailer 10
-
HK$44,579 HKD
$5,682 USD
View
B
Retailer 11
-
HK$44,579 HKD
$5,682 USD
View
B
Retailer 12
-
HK$47,210 HKD
£4,738 GBP
View
B
Retailer 13
-
HK$47,825 HKD
A$9,378 AUD
View
Retailer 14
-
HK$48,647 HKD
A$9,539 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
HK$48,957 HKD
$6,240 USD
View
B
Retailer 16
-
HK$48,957 HKD
$6,240 USD
View
B
Retailer 17
-
HK$50,526 HKD
$6,440 USD
View
B
Retailer 18
-
HK$51,444 HKD
$6,557 USD
View
B
Retailer 19
-
HK$53,761 HKD
€6,526 EUR
View
Retailer 20
-
HK$54,261 HKD
$6,916 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
HK$60,463 HKD
ZAR 124,500 ZAR
View
B
Retailer 22
-
HK$72,498 HKD
£7,276 GBP
View
Most Expensive
C
NZ Jewellers
5e857763-58db-40dd-b925-02ba4a7cf632 · Oct 30
HK$82,309 HKD
$10,491 USD
View
22 more retailers have this diamond
Prices start from HK$38,444 HKDSave up to HK$43,865 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$38,444 HKD