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Radiant|Natural|GIA

1.00ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 7551690924

Certificate GIA 7551690924

Diamond specifications and retailer prices

From HK$18,045 HKD
$2,300 USD
As of October 31, 2026
Save HK$20,932 HKD (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$38,977 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551690924. Listed at 10 retailers as of October 30, 2026, with prices from HK$18,045 to HK$38,977, a HK$20,932 spread on the same certified stone. NZ Jewellers lists it at HK$38,977. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle52.4°
Pavilion angle37.24°
OriginNatural
Grading LabGIA
CertificateGIA 7551690924
Dimensions6.42 × 5.03 × 3.51 mm
L/W Ratio1.28
Girdle conditionThick
Key to symbols
Crystal, Feather, Indented Natural, Natural
Top View
6.42 mm5.03 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551690924
Side View
Table 72.0%Crown 52.4°GirdlePavilion 37.24°Culet: NoneDepth 69.8%

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$38,977 HKD|Low: HK$18,045 HKD|High: HK$39,762 HKD|Avg: HK$23,538 HKD|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8HK$18,045 HKD
Retailer 2HK$18,185 HKD
Retailer 9HK$18,641 HKD
Retailer 4HK$19,300 HKD
Retailer 7HK$19,300 HKD
Retailer 6HK$19,504 HKD
Retailer 5HK$20,917 HKD
Retailer 10HK$23,206 HKD
Retailer 3HK$32,662 HKD
NZ JewellersHK$38,977 HKD

41 data points across 10 retailers

10 retailersHK$18,045 HKD to HK$38,977 HKD

A
Cheapest Retailer
-
HK$18,045 HKD
$2,300 USD
A
Retailer 2
-
HK$18,185 HKD
£1,825 GBP
View
A
Retailer 3
-
HK$18,641 HKD
$2,376 USD
View
A
Retailer 4
-
HK$19,300 HKD
$2,460 USD
View
A
Retailer 5
-
HK$19,300 HKD
$2,460 USD
View
A
Retailer 6
-
HK$19,504 HKD
$2,486 USD
View
A
Retailer 7
-
HK$20,917 HKD
$2,666 USD
View
Retailer 8
-
HK$23,206 HKD
A$4,550 AUD
View
Price last confirmed 25 days ago
B
Retailer 9
-
HK$32,662 HKD
£3,278 GBP
View
Most Expensive
B
NZ Jewellers
f3472181-81b5-4e8a-88e8-6803750a45cb · Oct 30
HK$38,977 HKD
$4,968 USD
View
9 more retailers have this diamond
Prices start from HK$18,045 HKDSave up to HK$20,932 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 Radiant
HK$18,045 HKD