Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2564016528

Certificate GIA 2564016528

Diamond specifications and retailer prices

From $3,047 USD
A$4,688 AUD
As of October 29, 2026
Save $3,097 USD (50%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,367 USD at NZ Jewellers · As of September 28, 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 2564016528. Listed at 22 retailers as of October 29, 2026, with a 102% 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
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2564016528
Dimensions6.39 × 6.43 × 4.04 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.39 mm6.43 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564016528
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

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: $3,796 USD|Low: $2,640 USD|High: $6,185 USD|Avg: $3,924 USD|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8$3,244 USD
Retailer 5$3,373 USD
Retailer 7$3,470 USD
Retailer 9$3,655 USD
Retailer 1$3,796 USD
Retailer 6$3,915 USD
Retailer 3$4,025 USD
Retailer 4$4,450 USD
Retailer 2$6,144 USD

43 data points across 9 retailers

22 retailers$3,047 USD to $6,144 USD

A
Cheapest Retailer
-
$3,047 USD
A$4,688 AUD
B+
Retailer 2
-
$3,244 USD
View
B+
Retailer 3
-
$3,373 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,470 USD
A$5,338 AUD
View
B+
Retailer 5
-
$3,510 USD
View
Retailer 6
-
$3,655 USD
View
Price last confirmed 52 days ago
Retailer 7
-
$3,655 USD
View
Price last confirmed 42 days ago
Retailer 8
-
$3,655 USD
View
Price last confirmed 28 days ago
Retailer 9
-
$3,655 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$3,795 USD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
$3,796 USD
£2,989 GBP
View
B+
Retailer 12
-
$3,800 USD
View
Retailer 13
-
$3,915 USD
A$6,023 AUD
View
Price last confirmed 21 days ago
B+
Retailer 14
-
$4,025 USD
€3,833 EUR
View
Retailer 15
-
$4,217 USD
View
Price last confirmed 53 days ago
Retailer 16
-
$4,217 USD
View
Price last confirmed 42 days ago
Retailer 17
-
$4,217 USD
View
Price last confirmed 31 days ago
B+
Retailer 18
-
$4,450 USD
ZAR 71,893 ZAR
View
B
Retailer 19
-
$6,144 USD
£4,838 GBP
View
Retailer 20
-
$6,367 USD
View
Price last confirmed 42 days ago
Retailer 21
-
$6,367 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
fd0aff89-c771-45ef-8c4c-eca964b0d79d · Sep 28
$6,367 USD
View
Price last confirmed 32 days ago
21 more retailers have this diamond
Prices start from $3,047 USDSave up to $3,097 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
$3,047 USD