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Round|Natural|GIA

4.00ct N SI2 Round Natural Diamond

EX • N/SI2 • GIA 2557519828

Certificate GIA 2557519828

Diamond specifications and retailer prices

From $38,421 NZD
As of November 5, 2026
Save $6,794 NZD (15%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $45,214 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 4ct natural round diamond

This 4ct natural round sits in the three to five carat band, graded N colour (tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557519828. Listed at 7 retailers as of November 5, 2026, with prices from $38,421 to $45,214, a $6,794 spread on the same certified stone. NZ Jewellers lists it at $45,214. 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

4.00
Carat
N
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557519828
Dimensions10.15 × 10.12 × 6.33 mm
L/W Ratio1.00
Top View
10.15 mm10.12 mm4.00 ctN / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557519828
Side View
Table 56.0%CrownGirdlePavilionCuletDepth 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 5
Current: $45,214 NZD|Low: $36,030 NZD|High: $45,214 NZD|Avg: $38,041 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 3$36,030 NZD
Retailer 2$38,421 NZD
Retailer 4$38,807 NZD
NZ Jewellers$45,214 NZD

23 data points across 4 retailers

7 retailers$38,421 NZD to $45,214 NZD

Retailer 1
-
$36,030 NZD
Price last confirmed 29 days ago
Retailer 2
-
$36,030 NZD
View
Price last confirmed 8 days ago
Retailer 3
-
$37,832 NZD
View
Price last confirmed 38 days ago
B+
Retailer 4
-
$38,421 NZD
View
Retailer 5
-
$39,033 NZD
View
Price last confirmed 33 days ago
Retailer 6
-
$40,534 NZD
View
Price last confirmed 67 days ago
Most Expensive
B
NZ Jewellers
57d784d4-381b-4fc0-846f-edc58ee3fb0b · Nov 5
$45,214 NZD
$25,417 USD
View
6 more retailers have this diamond
Prices start from $38,421 NZDSave up to $6,794 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+
4.00ct Round
$38,421 NZD