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Radiant|Natural|GIA

1.51ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 6515595253

Certificate GIA 6515595253

Diamond specifications and retailer prices

From HK$51,029 HKD
As of November 6, 2026
Save HK$16,475 HKD (24%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$67,505 HKD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6515595253. Listed at 10 retailers as of November 6, 2026, with prices from HK$51,029 to HK$67,505, a HK$16,475 spread on the same certified stone. Yorxs lists it at HK$67,505. 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
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.81°
Pavilion angle30.09°
OriginNatural
Grading LabGIA
CertificateGIA 6515595253
Dimensions7.39 × 5.70 × 3.83 mm
L/W Ratio1.30
Top View
7.39 mm5.70 mm1.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515595253
Side View
Table 67.0%Crown 44.81°Girdle: ThickPavilion 30.09°Culet: NoneDepth 67.2%

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: Nov 6
Current: HK$58,577 HKD|Low: HK$51,021 HKD|High: HK$87,614 HKD|Avg: HK$61,664 HKD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yorxs
November 7, 2026
Retailer 12HK$51,029 HKD
Retailer 10HK$52,127 HKD
Retailer 5HK$53,788 HKD
Retailer 7HK$53,788 HKD
Retailer 11HK$57,926 HKD
Retailer 1HK$58,577 HKD
Retailer 8HK$59,987 HKD
Retailer 3HK$62,856 HKD
Retailer 4HK$62,856 HKD
Retailer 6HK$63,256 HKD
Retailer 2HK$64,894 HKD
YorxsHK$67,505 HKD
Retailer 9HK$87,387 HKD

15 data points across 13 retailers

10 retailersHK$51,029 HKD to HK$67,505 HKD

A
Cheapest Retailer
-
HK$51,029 HKD
A
Retailer 2
-
HK$53,788 HKD
View
A
Retailer 3
-
HK$53,788 HKD
View
Retailer 4
-
HK$57,926 HKD
View
Price last confirmed 29 days ago
A
Retailer 5
-
HK$58,577 HKD
View
B+
Retailer 6
-
HK$59,987 HKD
View
B+
Retailer 7
-
HK$62,856 HKD
View
B+
Retailer 8
-
HK$63,256 HKD
View
B+
Retailer 9
-
HK$64,894 HKD
View
Most Expensive
B+
Yorxs
5290575B9 · Nov 6
HK$67,505 HKD
€8,203 EUR
View
9 more retailers have this diamond
Prices start from HK$51,029 HKDSave up to HK$16,475 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$51,029 HKD