CaratHunter
Plans
Radiant|Natural|GIA

1.00ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 6505943659

Certificate GIA 6505943659

Diamond specifications and retailer prices

From HK$24,408 HKD
$3,111 USD
As of November 1, 2026
Save HK$25,404 HKD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$49,812 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 6505943659. Listed at 15 retailers as of October 30, 2026, with prices from HK$24,408 to HK$49,812, a HK$25,404 spread on the same certified stone. NZ Jewellers lists it at HK$49,812. 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
SymmetryVery Good
FluorescenceNone
Crown angle44.82°
Pavilion angle31.51°
OriginNatural
Grading LabGIA
CertificateGIA 6505943659
Dimensions6.61 × 5.10 × 3.30 mm
L/W Ratio1.30
Top View
6.61 mm5.10 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6505943659
Side View
Table 70.0%Crown 44.82°GirdlePavilion 31.51°Culet: NDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$27,220 HKD|Low: HK$24,408 HKD|High: HK$47,230 HKD|Avg: HK$32,153 HKD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8HK$24,408 HKD
Retailer 6HK$25,381 HKD
Retailer 1HK$27,220 HKD
Retailer 9HK$29,688 HKD
Retailer 2HK$29,880 HKD
Retailer 7HK$30,624 HKD
Retailer 4HK$33,471 HKD
Retailer 3HK$35,142 HKD
Retailer 5HK$46,921 HKD

41 data points across 9 retailers

15 retailersHK$24,408 HKD to HK$49,812 HKD

B+
Cheapest Retailer
-
HK$24,408 HKD
$3,111 USD
B+
Retailer 2
-
HK$25,381 HKD
$3,235 USD
View
B+
Retailer 3
-
HK$27,220 HKD
£2,732 GBP
View
B
Retailer 4
-
HK$27,460 HKD
$3,500 USD
View
B+
Retailer 5
-
HK$28,590 HKD
$3,644 USD
View
B+
Retailer 6
-
HK$28,590 HKD
$3,644 USD
View
B
Retailer 7
-
HK$29,688 HKD
$3,784 USD
View
B
Retailer 8
-
HK$29,731 HKD
$3,789 USD
View
B+
Retailer 9
-
HK$29,880 HKD
£2,999 GBP
View
Retailer 10
-
HK$30,624 HKD
A$6,005 AUD
View
Price last confirmed 23 days ago
B
Retailer 11
-
HK$32,991 HKD
$4,205 USD
View
B
Retailer 12
-
HK$33,471 HKD
€4,063 EUR
View
B
Retailer 13
-
HK$35,142 HKD
ZAR 72,360 ZAR
View
B
Retailer 14
-
HK$46,921 HKD
£4,709 GBP
View
Most Expensive
B
NZ Jewellers
8d68ffc7-03de-4063-a5a4-5e05efd635a3 · Oct 30
HK$49,812 HKD
$6,349 USD
View
14 more retailers have this diamond
Prices start from HK$24,408 HKDSave up to HK$25,404 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.

B+
1.00ct Radiant
HK$24,408 HKD