Round|Natural|GIA

4.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6541963596

Certificate GIA 6541963596

Diamond specifications and retailer prices

From HK$477,145 HKD
SGD 82,184 SGD
As of October 31, 2026
Save HK$152,467 HKD (24%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$629,613 HKD at Yorxs · As of October 30, 2026
View at Yorxs

About this 4.55ct natural round diamond

This 4.55ct natural round sits in the three to five carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541963596. Listed at 8 retailers as of October 30, 2026, with prices from HK$477,145 to HK$629,613, a HK$152,467 spread on the same certified stone. Yorxs lists it at HK$629,613. 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

4.55
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6541963596
Dimensions10.61 × 6.63 × 6.63 mm
L/W Ratio1.60
Top View
10.61 mm6.63 mm4.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541963596
Side View
Table 55.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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: Oct 31
Current: HK$506,115 HKD|Low: HK$477,145 HKD|High: HK$648,746 HKD|Avg: HK$567,946 HKD|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
October 31, 2026
Retailer 4HK$477,145 HKD
Retailer 3HK$489,332 HKD
Retailer 1HK$506,115 HKD
Retailer 5HK$546,602 HKD
Retailer 6HK$612,186 HKD
Retailer 2HK$626,223 HKD
YorxsHK$629,613 HKD

41 data points across 7 retailers

8 retailersHK$477,145 HKD to HK$629,613 HKD

A
Cheapest Retailer
-
HK$477,145 HKD
SGD 82,184 SGD
A
Retailer 2
-
HK$489,332 HKD
SGD 84,283 SGD
View
A
Retailer 3
-
HK$506,115 HKD
£50,794 GBP
View
A
Retailer 4
-
HK$546,602 HKD
$69,669 USD
View
A
Retailer 5
-
HK$612,186 HKD
$78,028 USD
View
B+
Retailer 6
-
HK$618,508 HKD
$78,834 USD
View
B+
Retailer 7
-
HK$626,223 HKD
$79,817 USD
View
Most Expensive
B+
Yorxs
571542751 · Oct 30
HK$629,613 HKD
€76,428 EUR
View
7 more retailers have this diamond
Prices start from HK$477,145 HKDSave up to HK$152,467 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
4.55ct Round
HK$477,145 HKD