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Round|Natural|GIA

0.53ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2506734467

Certificate GIA 2506734467

Diamond specifications and retailer prices

From HK$4,166 HKD
As of November 5, 2026
Save HK$8,143 HKD (66%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$17,707 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2506734467. Listed at 25 retailers as of November 5, 2026, with a 195% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.53
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2506734467
Dimensions5.22 × 5.20 × 3.16 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.22 mm5.20 mm0.53 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2506734467
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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 5
Current: HK$6,668 HKD|Low: HK$4,166 HKD|High: HK$10,395 HKD|Avg: HK$6,926 HKD|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6HK$4,166 HKD
Retailer 2HK$5,209 HKD
Retailer 8HK$5,531 HKD
Retailer 10HK$5,649 HKD
Retailer 1HK$6,668 HKD
Retailer 5HK$6,872 HKD
Retailer 11HK$7,061 HKD
Retailer 4HK$7,516 HKD
Retailer 3HK$8,489 HKD
Retailer 7HK$8,708 HKD
Retailer 9HK$10,324 HKD

37 data points across 11 retailers

25 retailersHK$4,166 HKD to HK$12,309 HKD

A
Cheapest Retailer
-
HK$4,166 HKD
A
Retailer 2
-
HK$5,037 HKD
View
A
Retailer 3
-
HK$5,209 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$5,531 HKD
View
Retailer 5
-
HK$5,649 HKD
View
Price last confirmed 8 days ago
Retailer 6
-
HK$5,649 HKD
View
Price last confirmed 39 days ago
Retailer 7
-
HK$5,649 HKD
View
Price last confirmed 20 days ago
Retailer 8
-
HK$5,649 HKD
View
Price last confirmed 21 days ago
Retailer 9
-
HK$5,860 HKD
View
Price last confirmed 22 days ago
A
Retailer 10
-
HK$6,378 HKD
View
Retailer 11
-
HK$6,512 HKD
View
Price last confirmed 40 days ago
A
Retailer 12
-
HK$6,512 HKD
View
A
Retailer 13
-
HK$6,668 HKD
View
A
Retailer 14
-
HK$6,684 HKD
View
B+
Retailer 15
-
HK$6,872 HKD
View
B+
Retailer 16
-
HK$7,061 HKD
View
B+
Retailer 17
-
HK$7,516 HKD
View
B+
Retailer 18
-
HK$7,728 HKD
View
Retailer 19
-
HK$8,489 HKD
View
Price last confirmed 32 days ago
B+
Retailer 20
-
HK$8,708 HKD
View
B+
Retailer 21
-
HK$10,324 HKD
View
B
Retailer 22
-
HK$12,309 HKD
View
Retailer 23
-
HK$17,707 HKD
View
Price last confirmed 43 days ago
Retailer 24
-
HK$17,707 HKD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
f00c90dc-d2d2-48b0-8e09-675cecf9210e · Oct 30
HK$17,707 HKD
$2,257 USD
View
Price last confirmed 7 days ago
24 more retailers have this diamond
Prices start from HK$4,166 HKDSave up to HK$8,143 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
0.53ct Round
HK$4,166 HKD