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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2544928323

Certificate GIA 2544928323

Diamond specifications and retailer prices

From HK$18,672 HKD
As of November 5, 2026
Save HK$24,359 HKD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$43,031 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2544928323. Listed at 23 retailers as of November 5, 2026, with prices from HK$18,672 to HK$43,031, a HK$24,359 spread on the same certified stone. NZ Jewellers lists it at HK$43,031. 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

1.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2544928323
Dimensions6.29 × 6.34 × 3.98 mm
L/W Ratio1.01
Top View
6.29 mm6.34 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544928323
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$43,031 HKD|Low: HK$18,672 HKD|High: HK$45,055 HKD|Avg: HK$26,479 HKD|-4.5%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 22HK$18,672 HKD
Retailer 12HK$19,872 HKD
Retailer 8HK$20,037 HKD
Retailer 16HK$20,515 HKD
Retailer 19HK$20,656 HKD
Retailer 18HK$20,696 HKD
Retailer 15HK$20,837 HKD
Retailer 6HK$22,375 HKD
Retailer 5HK$23,128 HKD
Retailer 10HK$23,237 HKD
Retailer 2HK$23,630 HKD
Retailer 3HK$24,399 HKD
Retailer 9HK$24,399 HKD
Retailer 13HK$25,183 HKD
Retailer 20HK$25,819 HKD
Retailer 7HK$25,983 HKD
Retailer 17HK$27,050 HKD
Retailer 4HK$29,278 HKD
Retailer 14HK$29,310 HKD
Retailer 21HK$30,141 HKD
Retailer 11HK$42,254 HKD
NZ JewellersHK$43,031 HKD

21 data points across 22 retailers

23 retailersHK$18,672 HKD to HK$43,031 HKD

A
Cheapest Retailer
-
HK$18,672 HKD
A
Retailer 2
-
HK$19,872 HKD
View
A
Retailer 3
-
HK$20,037 HKD
View
A
Retailer 4
-
HK$20,515 HKD
View
A
Retailer 5
-
HK$20,656 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$20,696 HKD
View
A
Retailer 7
-
HK$20,837 HKD
View
A
Retailer 8
-
HK$22,375 HKD
View
A
Retailer 9
-
HK$23,128 HKD
View
A
Retailer 10
-
HK$23,237 HKD
View
A
Retailer 11
-
HK$23,630 HKD
View
A
Retailer 12
-
HK$24,399 HKD
View
A
Retailer 13
-
HK$24,399 HKD
View
B+
Retailer 14
-
HK$25,183 HKD
View
B+
Retailer 15
-
HK$25,819 HKD
View
B+
Retailer 16
-
HK$25,983 HKD
View
B+
Retailer 17
-
HK$27,050 HKD
View
Retailer 18
-
HK$28,227 HKD
View
Price last confirmed 30 days ago
B+
Retailer 19
-
HK$29,278 HKD
View
Retailer 20
-
HK$29,310 HKD
View
Price last confirmed 14 days ago
B+
Retailer 21
-
HK$30,141 HKD
View
B
Retailer 22
-
HK$42,254 HKD
View
Most Expensive
B
NZ Jewellers
c04f7c52-73fe-46cf-977c-12a3468ca840 · Nov 5
HK$43,031 HKD
$5,485 USD
View
22 more retailers have this diamond
Prices start from HK$18,672 HKDSave up to HK$24,359 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
1.00ct Round
HK$18,672 HKD