Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2537513770

Certificate GIA 2537513770

Diamond specifications and retailer prices

From HK$3,287 HKD
As of November 6, 2026
Save HK$7,178 HKD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$14,223 HKD at NZ Jewellers · As of September 15, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2537513770. Listed at 20 retailers as of November 2, 2026, with a 218% 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2537513770
Dimensions4.90 × 4.86 × 3.08 mm
L/W Ratio1.01
Top View
4.90 mm4.86 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2537513770
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 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$3,287 HKD|Low: HK$3,287 HKD|High: HK$10,599 HKD|Avg: HK$6,389 HKD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1HK$3,287 HKD
Retailer 2HK$5,445 HKD
Retailer 3HK$5,625 HKD
Retailer 7HK$6,041 HKD
Retailer 5HK$6,080 HKD
Retailer 8HK$6,817 HKD
Retailer 4HK$7,029 HKD
Retailer 6HK$10,465 HKD

39 data points across 8 retailers

20 retailersHK$3,287 HKD to HK$10,465 HKD

A
Cheapest Retailer
-
HK$3,287 HKD
A
Retailer 2
-
HK$3,813 HKD
View
A
Retailer 3
-
HK$4,425 HKD
View
Retailer 4
-
HK$4,535 HKD
View
Price last confirmed 53 days ago
Retailer 5
-
HK$4,535 HKD
View
Price last confirmed 9 days ago
A
Retailer 6
-
HK$4,715 HKD
View
Retailer 7
-
HK$4,888 HKD
View
Price last confirmed 8 days ago
Retailer 8
-
HK$4,888 HKD
View
Price last confirmed 9 days ago
Retailer 9
-
HK$5,233 HKD
View
Price last confirmed 10 days ago
Retailer 10
-
HK$5,233 HKD
View
Price last confirmed 53 days ago
B+
Retailer 11
-
HK$5,413 HKD
View
B+
Retailer 12
-
HK$5,445 HKD
View
B+
Retailer 13
-
HK$5,625 HKD
View
B+
Retailer 14
-
HK$6,041 HKD
View
B+
Retailer 15
-
HK$6,080 HKD
View
Retailer 16
-
HK$6,817 HKD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
HK$7,029 HKD
View
B
Retailer 18
-
HK$10,465 HKD
View
Retailer 19
-
HK$14,223 HKD
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
34920845-7da7-4ed9-9835-90e1d26f4020 · Sep 15
HK$14,223 HKD
$1,813 USD
View
Price last confirmed 52 days ago
19 more retailers have this diamond
Prices start from HK$3,287 HKDSave up to HK$7,178 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$3,287 HKD