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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 $3,013 USD
As of November 4, 2026
Save $1,295 USD (30%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,308 USD 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 $3,013 to $4,308, a $1,295 spread on the same certified stone. Cape Diamonds lists it at $4,308. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,308 USD|Low: $3,013 USD|High: $4,569 USD|Avg: $3,695 USD|-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$3,013 USD
Retailer 6$3,133 USD
Retailer 5$3,217 USD
Retailer 8$3,395 USD
Retailer 3$3,630 USD
Retailer 9$3,674 USD
Retailer 2$3,843 USD
Retailer 4$4,099 USD
Cape Diamonds$4,308 USD

31 data points across 9 retailers

9 retailers$3,013 USD to $4,308 USD

A
Cheapest Retailer
-
$3,013 USD
B+
Retailer 2
-
$3,133 USD
View
B+
Retailer 3
-
$3,217 USD
View
B+
Retailer 4
-
$3,395 USD
View
B+
Retailer 5
-
$3,630 USD
View
B+
Retailer 6
-
$3,674 USD
View
B
Retailer 7
-
$3,843 USD
View
B
Retailer 8
-
$4,099 USD
View
Most Expensive
B
Cape Diamonds
cert_7503143297 · Nov 5
$4,308 USD
ZAR 69,593 ZAR
View
8 more retailers have this diamond
Prices start from $3,013 USDSave up to $1,295 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.

A
1.58ct Round
$3,013 USD