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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 €2,097 EUR
HK$18,300 HKD
As of October 31, 2026
Save €2,591 EUR (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €4,858 EUR 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
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 31
Current: €2,211 EUR|Low: €2,097 EUR|High: €4,720 EUR|Avg: €2,999 EUR|-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 4€2,097 EUR
Retailer 1€2,211 EUR
Retailer 9€2,436 EUR
Retailer 10€2,573 EUR
Retailer 5€2,712 EUR
Retailer 6€2,896 EUR
Retailer 2€2,990 EUR
Retailer 7€3,265 EUR
Retailer 3€3,427 EUR
Retailer 8€4,688 EUR

33 data points across 10 retailers

22 retailers€2,097 EUR to €4,688 EUR

A
Cheapest Retailer
-
€2,097 EUR
HK$18,300 HKD
A
Retailer 2
-
€2,211 EUR
₹235,271 INR
View
A
Retailer 3
-
€2,436 EUR
SGD 3,678 SGD
View
A
Retailer 4
-
€2,508 EUR
$2,802 USD
View
A
Retailer 5
-
€2,549 EUR
$2,848 USD
View
A
Retailer 6
-
€2,573 EUR
$2,875 USD
View
Final sale: no returns
A
Retailer 7
-
€2,578 EUR
$2,880 USD
View
A
Retailer 8
-
€2,712 EUR
$3,030 USD
View
Retailer 9
-
€2,788 EUR
$3,115 USD
View
Price last confirmed 44 days ago
Retailer 10
-
€2,788 EUR
$3,115 USD
View
Price last confirmed 15 days ago
Retailer 11
-
€2,788 EUR
$3,115 USD
View
Price last confirmed 11 days ago
Retailer 12
-
€2,896 EUR
$3,235 USD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
€2,896 EUR
£2,547 GBP
View
B+
Retailer 14
-
€2,921 EUR
SGD 4,410 SGD
View
Retailer 15
-
€2,990 EUR
A$5,139 AUD
View
Price last confirmed 27 days ago
Retailer 16
-
€3,217 EUR
$3,594 USD
View
Price last confirmed 39 days ago
Retailer 17
-
€3,217 EUR
$3,594 USD
View
Price last confirmed 13 days ago
B+
Retailer 18
-
€3,265 EUR
View
B+
Retailer 19
-
€3,427 EUR
ZAR 61,860 ZAR
View
B
Retailer 20
-
€4,688 EUR
£4,124 GBP
View
Retailer 21
-
€4,858 EUR
$5,427 USD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
02e91905-9404-4f2b-904c-e8ffbccf0f33 · Oct 17
€4,858 EUR
$5,427 USD
View
Price last confirmed 14 days ago
21 more retailers have this diamond
Prices start from €2,097 EURSave up to €2,591 EUR

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
€2,097 EUR