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Round|Natural|GIA

1.58ct K IF Round Natural Diamond

EX • K/IF • GIA 3515122117

Certificate GIA 3515122117

Diamond specifications and retailer prices

From $8,175 AUD
As of November 5, 2026
Save $6,810 AUD (45%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $14,985 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.58ct natural round diamond

This 1.58ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 3515122117. Listed at 5 retailers as of November 5, 2026, with prices from $8,175 to $14,985, a $6,810 spread on the same certified stone. NZ Jewellers lists it at $14,985. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3515122117
Dimensions7.37 × 7.43 × 4.67 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
7.37 mm7.43 mm1.58 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3515122117
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $14,985 AUD|Low: $7,202 AUD|High: $15,662 AUD|Avg: $10,958 AUD|-4.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 4, 2026
Retailer 4$8,175 AUD
Retailer 5$8,270 AUD
Retailer 3$9,302 AUD
Retailer 2$13,164 AUD
NZ Jewellers$14,985 AUD

22 data points across 5 retailers

5 retailers$8,175 AUD to $14,985 AUD

A
Cheapest Retailer
-
$8,175 AUD
A
Retailer 2
-
$8,270 AUD
View
Final sale: no returns
A
Retailer 3
-
$9,302 AUD
View
B+
Retailer 4
-
$13,164 AUD
View
Most Expensive
B
NZ Jewellers
d5c30863-601f-48e3-90c8-6634ef109c66 · Nov 5
$14,985 AUD
$10,490 USD
View
4 more retailers have this diamond
Prices start from $8,175 AUDSave up to $6,810 AUD

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
1.58ct Round
$8,175 AUD