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Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2527234391

Certificate GIA 2527234391

Diamond specifications and retailer prices

From HK$3,115 HKD
As of November 6, 2026
Save HK$10,403 HKD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$14,286 HKD at Carbon Sparkle · As of October 22, 2026
View at Carbon Sparkle

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 2527234391. Listed at 20 retailers as of November 4, 2026, with a 334% 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
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2527234391
Dimensions4.90 × 4.94 × 3.01 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.90 mm4.94 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2527234391
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.2%

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$14,286 HKD|Low: HK$3,115 HKD|High: HK$21,904 HKD|Avg: HK$7,437 HKD
Carbon Sparkle
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2HK$3,115 HKD
Retailer 9HK$4,644 HKD
Retailer 5HK$5,358 HKD
Retailer 6HK$5,374 HKD
Retailer 4HK$5,782 HKD
Retailer 10HK$5,845 HKD
Retailer 11HK$6,002 HKD
Retailer 3HK$6,480 HKD
Retailer 7HK$6,676 HKD
Retailer 8HK$9,940 HKD
Carbon SparkleHK$14,286 HKD

36 data points across 11 retailers

20 retailersHK$3,115 HKD to HK$13,517 HKD

A
Cheapest Retailer
-
HK$3,115 HKD
Retailer 2
-
HK$3,413 HKD
View
Price last confirmed 63 days ago
Retailer 3
-
HK$4,307 HKD
View
Price last confirmed 44 days ago
Retailer 4
-
HK$4,644 HKD
View
Price last confirmed 8 days ago
Retailer 5
-
HK$4,644 HKD
View
Price last confirmed 22 days ago
Retailer 6
-
HK$4,974 HKD
View
Price last confirmed 45 days ago
Retailer 7
-
HK$4,974 HKD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
HK$5,335 HKD
View
B+
Retailer 9
-
HK$5,358 HKD
View
B+
Retailer 10
-
HK$5,374 HKD
View
B+
Retailer 11
-
HK$5,782 HKD
View
B+
Retailer 12
-
HK$5,845 HKD
View
B+
Retailer 13
-
HK$6,002 HKD
View
Retailer 14
-
HK$6,480 HKD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
HK$6,676 HKD
View
B
Retailer 16
-
HK$9,940 HKD
View
B
Retailer 17
-
HK$13,517 HKD
View
Retailer 18
-
HK$13,517 HKD
View
Price last confirmed 43 days ago
Retailer 19
-
HK$13,517 HKD
View
Price last confirmed 17 days ago
Most Expensive
Carbon Sparkle
34c678aa-dbe6-43ac-a631-9ea9cd1d09de · Oct 22
HK$14,286 HKD
$1,821 USD
View
Price last confirmed 15 days ago
19 more retailers have this diamond
Prices start from HK$3,115 HKDSave up to HK$10,403 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$3,115 HKD