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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 $3,254 CAD
HK$18,200 HKD
As of October 29, 2026
Save $4,062 CAD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,581 CAD 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 125% 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
Color
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 29
Current: $3,463 CAD|Low: $3,254 CAD|High: $7,366 CAD|Avg: $4,491 CAD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$3,254 CAD
Retailer 1$3,463 CAD
Retailer 9$3,802 CAD
Retailer 10$4,016 CAD
Retailer 7$4,023 CAD
Retailer 2$4,519 CAD
Retailer 4$4,519 CAD
Retailer 11$4,666 CAD
Retailer 5$5,095 CAD
Retailer 8$5,299 CAD
Retailer 6$7,316 CAD

32 data points across 11 retailers

22 retailers$3,254 CAD to $7,316 CAD

A
Cheapest Retailer
-
$3,254 CAD
HK$18,200 HKD
A
Retailer 2
-
$3,463 CAD
₹236,090 INR
View
A
Retailer 3
-
$3,802 CAD
SGD 3,678 SGD
View
A
Retailer 4
-
$3,914 CAD
$2,802 USD
View
A
Retailer 5
-
$3,978 CAD
$2,848 USD
View
A
Retailer 6
-
$4,016 CAD
$2,875 USD
View
Final sale: no returns
A
Retailer 7
-
$4,023 CAD
$2,880 USD
View
A
Retailer 8
-
$4,023 CAD
$2,880 USD
View
Retailer 9
-
$4,351 CAD
$3,115 USD
View
Price last confirmed 43 days ago
Retailer 10
-
$4,351 CAD
$3,115 USD
View
Price last confirmed 14 days ago
Retailer 11
-
$4,351 CAD
$3,115 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$4,519 CAD
$3,235 USD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$4,519 CAD
£2,547 GBP
View
B+
Retailer 14
-
$4,559 CAD
SGD 4,410 SGD
View
Retailer 15
-
$4,666 CAD
A$5,139 AUD
View
Price last confirmed 26 days ago
Retailer 16
-
$5,020 CAD
$3,594 USD
View
Price last confirmed 38 days ago
Retailer 17
-
$5,020 CAD
$3,594 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
$5,095 CAD
€3,474 EUR
View
B+
Retailer 19
-
$5,299 CAD
ZAR 61,282 ZAR
View
B
Retailer 20
-
$7,316 CAD
£4,124 GBP
View
Retailer 21
-
$7,581 CAD
$5,427 USD
View
Price last confirmed 41 days ago
Most Expensive
NZ Jewellers
02e91905-9404-4f2b-904c-e8ffbccf0f33 · Oct 17
$7,581 CAD
$5,427 USD
View
Price last confirmed 13 days ago
21 more retailers have this diamond
Prices start from $3,254 CADSave up to $4,062 CAD

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
$3,254 CAD