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Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2558562263

Certificate GIA 2558562263

Diamond specifications and retailer prices

From HK$18,378 HKD
As of October 31, 2026
Save HK$22,714 HKD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$42,579 HKD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct 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 2558562263. Listed at 22 retailers as of October 29, 2026, with a 124% 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2558562263
Dimensions6.40 × 6.45 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.40 mm6.45 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2558562263
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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: Oct 31
Current: HK$19,382 HKD|Low: HK$18,378 HKD|High: HK$41,371 HKD|Avg: HK$26,284 HKD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4HK$18,378 HKD
Retailer 1HK$19,382 HKD
Retailer 9HK$21,354 HKD
Retailer 10HK$22,556 HKD
Retailer 5HK$23,772 HKD
Retailer 6HK$25,382 HKD
Retailer 2HK$26,206 HKD
Retailer 7HK$28,619 HKD
Retailer 3HK$30,042 HKD
Retailer 8HK$41,092 HKD

33 data points across 10 retailers

22 retailersHK$18,378 HKD to HK$41,092 HKD

A
Cheapest Retailer
-
HK$18,378 HKD
A
Retailer 2
-
HK$19,382 HKD
₹235,271 INR
View
A
Retailer 3
-
HK$21,354 HKD
SGD 3,678 SGD
View
A
Retailer 4
-
HK$21,984 HKD
$2,802 USD
View
A
Retailer 5
-
HK$22,345 HKD
$2,848 USD
View
A
Retailer 6
-
HK$22,556 HKD
$2,875 USD
View
Final sale: no returns
A
Retailer 7
-
HK$22,596 HKD
$2,880 USD
View
A
Retailer 8
-
HK$23,772 HKD
$3,030 USD
View
Retailer 9
-
HK$24,439 HKD
$3,115 USD
View
Price last confirmed 44 days ago
Retailer 10
-
HK$24,439 HKD
$3,115 USD
View
Price last confirmed 15 days ago
Retailer 11
-
HK$24,439 HKD
$3,115 USD
View
Price last confirmed 11 days ago
Retailer 12
-
HK$25,381 HKD
$3,235 USD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
HK$25,382 HKD
£2,547 GBP
View
B+
Retailer 14
-
HK$25,604 HKD
SGD 4,410 SGD
View
Retailer 15
-
HK$26,206 HKD
A$5,139 AUD
View
Price last confirmed 27 days ago
Retailer 16
-
HK$28,197 HKD
$3,594 USD
View
Price last confirmed 39 days ago
Retailer 17
-
HK$28,197 HKD
$3,594 USD
View
Price last confirmed 13 days ago
B+
Retailer 18
-
HK$28,619 HKD
€3,474 EUR
View
B+
Retailer 19
-
HK$30,042 HKD
ZAR 61,860 ZAR
View
B
Retailer 20
-
HK$41,092 HKD
£4,124 GBP
View
Retailer 21
-
HK$42,579 HKD
$5,427 USD
View
Price last confirmed 41 days ago
Most Expensive
NZ Jewellers
02e91905-9404-4f2b-904c-e8ffbccf0f33 · Oct 17
HK$42,579 HKD
$5,427 USD
View
Price last confirmed 14 days ago
21 more retailers have this diamond
Prices start from HK$18,378 HKDSave up to HK$22,714 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
1.02ct Round
HK$18,378 HKD