CaratHunter
Plans
Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2558562263

Certificate GIA 2558562263

Diamond specifications and retailer prices

From $2,330 USD
HK$18,200 HKD
As of October 29, 2026
Save $2,908 USD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,427 USD 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: $2,479 USD|Low: $2,330 USD|High: $5,273 USD|Avg: $3,215 USD|-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$2,330 USD
Retailer 1$2,479 USD
Retailer 9$2,722 USD
Retailer 10$2,875 USD
Retailer 7$2,880 USD
Retailer 2$3,235 USD
Retailer 4$3,235 USD
Retailer 11$3,340 USD
Retailer 5$3,648 USD
Retailer 8$3,793 USD
Retailer 6$5,237 USD

32 data points across 11 retailers

22 retailers$2,330 USD to $5,237 USD

A
Cheapest Retailer
-
$2,330 USD
HK$18,200 HKD
A
Retailer 2
-
$2,479 USD
₹236,090 INR
View
A
Retailer 3
-
$2,722 USD
SGD 3,678 SGD
View
A
Retailer 4
-
$2,802 USD
View
A
Retailer 5
-
$2,848 USD
View
A
Retailer 6
-
$2,875 USD
View
Final sale: no returns
A
Retailer 7
-
$2,880 USD
View
A
Retailer 8
-
$2,880 USD
View
Retailer 9
-
$3,115 USD
View
Price last confirmed 43 days ago
Retailer 10
-
$3,115 USD
View
Price last confirmed 14 days ago
Retailer 11
-
$3,115 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$3,235 USD
View
Price last confirmed 14 days ago
B+
Retailer 13
-
$3,235 USD
£2,547 GBP
View
B+
Retailer 14
-
$3,263 USD
SGD 4,410 SGD
View
Retailer 15
-
$3,340 USD
A$5,139 AUD
View
Price last confirmed 26 days ago
Retailer 16
-
$3,594 USD
View
Price last confirmed 38 days ago
Retailer 17
-
$3,594 USD
View
Price last confirmed 11 days ago
B+
Retailer 18
-
$3,648 USD
€3,474 EUR
View
B+
Retailer 19
-
$3,793 USD
ZAR 61,282 ZAR
View
B
Retailer 20
-
$5,237 USD
£4,124 GBP
View
Retailer 21
-
$5,427 USD
View
Price last confirmed 40 days ago
Most Expensive
NZ Jewellers
02e91905-9404-4f2b-904c-e8ffbccf0f33 · Oct 17
$5,427 USD
View
Price last confirmed 13 days ago
21 more retailers have this diamond
Prices start from $2,330 USDSave up to $2,908 USD

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
$2,330 USD