Round|Natural|GIA

1.04ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2556486046

Certificate GIA 2556486046

Diamond specifications and retailer prices

From $4,049 NZD
As of November 6, 2026
Save $2,503 NZD (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,893 NZD 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
Colour
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: $4,049 NZD|Low: $2,487 NZD|High: $6,603 NZD|Avg: $4,230 NZD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$2,987 NZD
Retailer 8$3,291 NZD
Retailer 1$4,049 NZD
Retailer 6$4,349 NZD
Retailer 2$4,371 NZD
Retailer 3$4,575 NZD
Retailer 4$5,081 NZD
Retailer 5$6,552 NZD

30 data points across 8 retailers

7 retailers$4,049 NZD to $6,552 NZD

B+
Cheapest Retailer
-
$4,049 NZD
B
Retailer 2
-
$4,349 NZD
View
B+
Retailer 3
-
$4,371 NZD
View
B+
Retailer 4
-
$4,575 NZD
View
B
Retailer 5
-
$5,081 NZD
View
B
Retailer 6
-
$6,552 NZD
View
Most Expensive
NZ Jewellers
c8f2c435-a1d9-4ec7-8597-da66445bfc6e · Sep 28
$7,893 NZD
$4,437 USD
View
Price last confirmed 39 days ago
6 more retailers have this diamond
Prices start from $4,049 NZDSave up to $2,503 NZD

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
$4,049 NZD