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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1435831747

Certificate GIA 1435831747

Diamond specifications and retailer prices

From HK$22,751 HKD
As of November 6, 2026
Save HK$33,166 HKD (59%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: HK$55,917 HKD at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

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 1435831747. Listed at 28 retailers as of November 6, 2026, with prices from HK$22,751 to HK$55,917, a HK$33,166 spread on the same certified stone. Diamond Quarter lists it at HK$55,917. 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
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1435831747
Dimensions6.55 × 6.47 × 3.82 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Key to symbols
Crystal, Feather, Cavity, Needle, Natural
Top View
6.55 mm6.47 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1435831747
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 58.6%

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: Nov 6
Current: HK$33,224 HKD|Low: HK$21,049 HKD|High: HK$52,759 HKD|Avg: HK$31,254 HKD|+5.6%
Retailer 1
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
Retailer 23
Retailer 24
November 5, 2026
Retailer 5HK$22,751 HKD
Retailer 6HK$23,261 HKD
Retailer 20HK$23,771 HKD
Retailer 11HK$24,352 HKD
Retailer 16HK$24,861 HKD
Retailer 13HK$25,316 HKD
Retailer 7HK$26,399 HKD
Retailer 3HK$27,435 HKD
Retailer 8HK$27,435 HKD
Retailer 4HK$28,486 HKD
Retailer 21HK$29,835 HKD
Retailer 19HK$30,479 HKD
Retailer 17HK$31,216 HKD
Retailer 10HK$31,655 HKD
Retailer 23HK$31,695 HKD
Retailer 24HK$31,695 HKD
Retailer 14HK$32,573 HKD
Retailer 2HK$32,714 HKD
Retailer 1HK$33,224 HKD
Retailer 15HK$34,284 HKD
Retailer 18HK$34,817 HKD
Retailer 12HK$36,959 HKD
Retailer 22HK$50,641 HKD
Retailer 9HK$52,759 HKD

37 data points across 24 retailers

28 retailersHK$22,751 HKD to HK$55,917 HKD

A
Cheapest Retailer
-
HK$22,751 HKD
A
Retailer 2
-
HK$23,261 HKD
View
A
Retailer 3
-
HK$23,771 HKD
View
B+
Retailer 4
-
HK$24,352 HKD
View
B+
Retailer 5
-
HK$24,861 HKD
View
B+
Retailer 6
-
HK$25,207 HKD
View
B+
Retailer 7
-
HK$25,316 HKD
View
Final sale: no returns
B+
Retailer 8
-
HK$26,399 HKD
View
Retailer 9
-
HK$27,435 HKD
View
Price last confirmed 15 days ago
Retailer 10
-
HK$27,435 HKD
View
Price last confirmed 13 days ago
Retailer 11
-
HK$28,486 HKD
View
Price last confirmed 15 days ago
Retailer 12
-
HK$28,706 HKD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
HK$29,835 HKD
View
Retailer 14
-
HK$29,835 HKD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
HK$30,479 HKD
View
Retailer 16
-
HK$31,216 HKD
View
Price last confirmed 29 days ago
Retailer 17
-
HK$31,655 HKD
View
Price last confirmed 14 days ago
B
Retailer 18
-
HK$31,695 HKD
View
B
Retailer 19
-
HK$31,695 HKD
View
B+
Retailer 20
-
HK$32,573 HKD
View
B+
Retailer 21
-
HK$32,714 HKD
View
B+
Retailer 22
-
HK$33,224 HKD
View
Retailer 23
-
HK$34,284 HKD
View
Price last confirmed 14 days ago
B+
Retailer 24
-
HK$34,817 HKD
View
B
Retailer 25
-
HK$36,959 HKD
View
B
Retailer 26
-
HK$50,641 HKD
View
Retailer 27
-
HK$52,759 HKD
View
Price last confirmed 14 days ago
Most Expensive
B
Diamond Quarter
1.0SI1D1447F491N · Nov 6
HK$55,917 HKD
£5,612 GBP
View
27 more retailers have this diamond
Prices start from HK$22,751 HKDSave up to HK$33,166 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$22,751 HKD