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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6525508015

Certificate GIA 6525508015

Diamond specifications and retailer prices

From HK$17,165 HKD
As of November 6, 2026
Save HK$21,825 HKD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$46,655 HKD at NZ Jewellers · As of October 3, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6525508015. Listed at 20 retailers as of November 4, 2026, with a 127% 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

1.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6525508015
Dimensions6.40 × 6.37 × 3.91 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.40 mm6.37 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6525508015
Side View
Table 59.0%Crown 36°Girdle: THN-STKPavilion 40.6°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$17,816 HKD|Low: HK$17,165 HKD|High: HK$39,563 HKD|Avg: HK$26,167 HKD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8HK$17,165 HKD
Retailer 1HK$17,816 HKD
Retailer 6HK$19,997 HKD
Retailer 10HK$20,562 HKD
Retailer 2HK$20,601 HKD
Retailer 4HK$23,481 HKD
Retailer 3HK$23,842 HKD
Retailer 5HK$25,913 HKD
Retailer 7HK$38,991 HKD
Retailer 9HK$39,454 HKD

34 data points across 10 retailers

20 retailersHK$17,165 HKD to HK$38,991 HKD

A
Cheapest Retailer
-
HK$17,165 HKD
A
Retailer 2
-
HK$17,816 HKD
View
A
Retailer 3
-
HK$19,997 HKD
View
A
Retailer 4
-
HK$20,562 HKD
View
A
Retailer 5
-
HK$20,601 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$21,229 HKD
View
Retailer 7
-
HK$22,312 HKD
View
Price last confirmed 29 days ago
Retailer 8
-
HK$22,312 HKD
View
Price last confirmed 29 days ago
Retailer 9
-
HK$22,312 HKD
View
Price last confirmed 39 days ago
B+
Retailer 10
-
HK$22,751 HKD
View
Retailer 11
-
HK$23,175 HKD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
HK$23,426 HKD
View
B+
Retailer 13
-
HK$23,481 HKD
View
B+
Retailer 14
-
HK$23,842 HKD
View
Retailer 15
-
HK$25,748 HKD
View
Price last confirmed 38 days ago
B+
Retailer 16
-
HK$25,913 HKD
View
B
Retailer 17
-
HK$38,991 HKD
View
Retailer 18
-
HK$39,454 HKD
View
Price last confirmed 9 days ago
Retailer 19
-
HK$46,655 HKD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
c33334bf-ecea-4bc2-9b6f-720edc750f50 · Oct 3
HK$46,655 HKD
$5,947 USD
View
Price last confirmed 34 days ago
19 more retailers have this diamond
Prices start from HK$17,165 HKDSave up to HK$21,825 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$17,165 HKD