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Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1515699351

Certificate GIA 1515699351

Diamond specifications and retailer prices

From HK$2,328 HKD
As of November 6, 2026
Save HK$9,852 HKD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$12,767 HKD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1515699351. Listed at 23 retailers as of November 4, 2026, with a 423% 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

0.45
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1515699351
Dimensions4.85 × 4.90 × 3.07 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal
Top View
4.85 mm4.90 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1515699351
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NDepth 63.0%

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 6
Current: HK$12,179 HKD|Low: HK$2,328 HKD|High: HK$12,516 HKD|Avg: HK$4,516 HKD|-2.7%
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
Retailer 16
November 6, 2026
Retailer 9HK$2,328 HKD
Retailer 3HK$3,174 HKD
Retailer 4HK$3,401 HKD
Retailer 10HK$3,409 HKD
Retailer 8HK$3,472 HKD
Retailer 16HK$3,543 HKD
Retailer 5HK$3,668 HKD
Retailer 2HK$3,699 HKD
Retailer 11HK$4,099 HKD
Retailer 13HK$4,130 HKD
Retailer 15HK$4,201 HKD
Retailer 6HK$4,859 HKD
Retailer 14HK$4,945 HKD
Retailer 12HK$5,267 HKD
Retailer 7HK$7,375 HKD
NZ JewellersHK$12,179 HKD

20 data points across 16 retailers

23 retailersHK$2,328 HKD to HK$12,179 HKD

A
Cheapest Retailer
-
HK$2,328 HKD
A
Retailer 2
-
HK$2,806 HKD
View
A
Retailer 3
-
HK$3,174 HKD
View
A
Retailer 4
-
HK$3,401 HKD
View
A
Retailer 5
-
HK$3,409 HKD
View
Retailer 6
-
HK$3,472 HKD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$3,543 HKD
View
Retailer 8
-
HK$3,590 HKD
View
Price last confirmed 38 days ago
A
Retailer 9
-
HK$3,668 HKD
View
A
Retailer 10
-
HK$3,699 HKD
View
Retailer 11
-
HK$3,840 HKD
View
Price last confirmed 38 days ago
Retailer 12
-
HK$3,856 HKD
View
Price last confirmed 64 days ago
B+
Retailer 13
-
HK$4,099 HKD
View
A
Retailer 14
-
HK$4,130 HKD
View
B+
Retailer 15
-
HK$4,201 HKD
View
B+
Retailer 16
-
HK$4,859 HKD
View
B+
Retailer 17
-
HK$4,945 HKD
View
B+
Retailer 18
-
HK$5,267 HKD
View
Retailer 19
-
HK$5,290 HKD
View
Price last confirmed 38 days ago
B
Retailer 20
-
HK$7,375 HKD
View
Retailer 21
-
HK$10,988 HKD
View
Price last confirmed 65 days ago
B
Retailer 22
-
HK$12,179 HKD
View
Most Expensive
NZ Jewellers
401d7a27-a1be-4169-897d-adca74510d29 · Sep 28
HK$12,767 HKD
$1,629 USD
View
Price last confirmed 39 days ago
22 more retailers have this diamond
Prices start from HK$2,328 HKDSave up to HK$9,852 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
0.45ct Round
HK$2,328 HKD