Round|Natural|GIA

1.04ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2556486046

Certificate GIA 2556486046

Diamond specifications and retailer prices

From $2,276 USD
As of November 6, 2026
Save $1,407 USD (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,437 USD at NZ Jewellers · As of September 28, 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 2556486046. Listed at 7 retailers as of November 4, 2026, with a 62% 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

1.04
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2556486046
Dimensions6.45 × 6.48 × 4.04 mm
L/W Ratio1.00
Star length45%
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
6.45 mm6.48 mm1.04 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556486046
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,276 USD|Low: $1,398 USD|High: $3,712 USD|Avg: $2,378 USD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$1,679 USD
Retailer 8$1,850 USD
Retailer 1$2,276 USD
Retailer 6$2,445 USD
Retailer 2$2,457 USD
Retailer 3$2,572 USD
Retailer 4$2,856 USD
Retailer 5$3,683 USD

30 data points across 8 retailers

7 retailers$2,276 USD to $3,683 USD

B+
Cheapest Retailer
-
$2,276 USD
B
Retailer 2
-
$2,445 USD
View
B+
Retailer 3
-
$2,457 USD
View
B+
Retailer 4
-
$2,572 USD
View
B
Retailer 5
-
$2,856 USD
View
B
Retailer 6
-
$3,683 USD
View
Most Expensive
NZ Jewellers
c8f2c435-a1d9-4ec7-8597-da66445bfc6e · Sep 28
$4,437 USD
View
Price last confirmed 39 days ago
6 more retailers have this diamond
Prices start from $2,276 USDSave up to $1,407 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.

B+
1.04ct Round
$2,276 USD