Round|Natural|GIA

1.04ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2566645103

Certificate GIA 2566645103

Diamond specifications and retailer prices

From $1,172 USD
As of November 5, 2026
Save $2,336 USD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,508 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.04ct natural round diamond

This 1.04ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566645103. Listed at 8 retailers as of November 5, 2026, with prices from $1,172 to $3,508, a $2,336 spread on the same certified stone. NZ Jewellers lists it at $3,508. 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

1.04
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566645103
Dimensions6.48 × 6.47 × 4.01 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle, Natural
Top View
6.48 mm6.47 mm1.04 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566645103
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

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: Nov 5
Current: $3,508 USD|Low: $1,166 USD|High: $3,592 USD|Avg: $1,935 USD|-2.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$1,172 USD
Retailer 7$1,290 USD
Retailer 2$1,376 USD
Retailer 8$1,438 USD
Retailer 6$1,505 USD
Retailer 3$1,941 USD
Retailer 5$2,513 USD
NZ Jewellers$3,508 USD

15 data points across 8 retailers

8 retailers$1,172 USD to $3,508 USD

A
Cheapest Retailer
-
$1,172 USD
A
Retailer 2
-
$1,290 USD
View
A
Retailer 3
-
$1,376 USD
View
A
Retailer 4
-
$1,438 USD
View
A
Retailer 5
-
$1,505 USD
View
B+
Retailer 6
-
$1,941 USD
View
B
Retailer 7
-
$2,513 USD
View
Most Expensive
B
NZ Jewellers
55664d72-83dc-458b-944b-d4361a18a82c · Nov 5
$3,508 USD
View
7 more retailers have this diamond
Prices start from $1,172 USDSave up to $2,336 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
1.04ct Round
$1,172 USD