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Round|Natural|GIA

1.58ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 7503143297

Certificate GIA 7503143297

Diamond specifications and retailer prices

From $4,208 CAD
As of November 4, 2026
Save $1,808 CAD (30%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,016 CAD at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 1.58ct natural round diamond

This 1.58ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7503143297. Listed at 9 retailers as of November 4, 2026, with prices from $4,208 to $6,016, a $1,808 spread on the same certified stone. Cape Diamonds lists it at $6,016. 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

1.58
Carat
L
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7503143297
Dimensions7.52 × 7.55 × 4.58 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Cert comments
Additional twinning wisps pinpoints and surface graining are not shown.
Top View
7.52 mm7.55 mm1.58 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7503143297
Side View
Table 57.0%Crown 33.5°GirdlePavilion 41°Culet: NoneDepth 60.8%

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 4
Current: $6,016 CAD|Low: $4,208 CAD|High: $6,381 CAD|Avg: $5,161 CAD|-5.7%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$4,208 CAD
Retailer 6$4,376 CAD
Retailer 5$4,493 CAD
Retailer 8$4,741 CAD
Retailer 3$5,070 CAD
Retailer 9$5,131 CAD
Retailer 2$5,367 CAD
Retailer 4$5,725 CAD
Cape Diamonds$6,016 CAD

31 data points across 9 retailers

9 retailers$4,208 CAD to $6,016 CAD

A
Cheapest Retailer
-
$4,208 CAD
B+
Retailer 2
-
$4,376 CAD
View
B+
Retailer 3
-
$4,493 CAD
View
B+
Retailer 4
-
$4,741 CAD
View
B+
Retailer 5
-
$5,070 CAD
View
B+
Retailer 6
-
$5,131 CAD
View
B
Retailer 7
-
$5,367 CAD
View
B
Retailer 8
-
$5,725 CAD
View
Most Expensive
B
Cape Diamonds
cert_7503143297 · Nov 5
$6,016 CAD
ZAR 69,593 ZAR
View
8 more retailers have this diamond
Prices start from $4,208 CADSave up to $1,808 CAD

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
$4,208 CAD