Round|Natural|GIA

1.30ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6525878743

Certificate GIA 6525878743

Diamond specifications and retailer prices

From $1,727 USD
As of November 5, 2026
Save $2,896 USD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,623 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6525878743. Listed at 15 retailers as of November 5, 2026, with prices from $1,727 to $4,623, a $2,896 spread on the same certified stone. NZ Jewellers lists it at $4,623. 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

1.30
Carat
L
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6525878743
Dimensions6.89 × 6.95 × 4.32 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.89 mm6.95 mm1.30 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6525878743
Side View
Table 60.0%Crown 35°Girdle: STK-STKPavilion 41.4°Culet: NoneDepth 62.3%

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: $4,623 USD|Low: $1,727 USD|High: $4,623 USD|Avg: $2,212 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 5$1,727 USD
Retailer 2$1,838 USD
Retailer 3$1,848 USD
Retailer 9$1,895 USD
Retailer 4$1,944 USD
Retailer 13$1,945 USD
Retailer 10$1,983 USD
Retailer 6$2,033 USD
Retailer 12$2,038 USD
Retailer 7$2,046 USD
Retailer 14$2,187 USD
Retailer 8$2,313 USD
Retailer 11$2,458 USD
NZ Jewellers$4,623 USD

41 data points across 14 retailers

15 retailers$1,727 USD to $4,623 USD

A
Cheapest Retailer
-
$1,727 USD
A
Retailer 2
-
$1,838 USD
View
A
Retailer 3
-
$1,848 USD
View
A
Retailer 4
-
$1,895 USD
View
B+
Retailer 5
-
$1,944 USD
View
B+
Retailer 6
-
$1,945 USD
View
B+
Retailer 7
-
$1,983 USD
View
Retailer 8
-
$2,007 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,033 USD
View
B+
Retailer 10
-
$2,038 USD
View
B+
Retailer 11
-
$2,046 USD
View
B+
Retailer 12
-
$2,187 USD
View
B+
Retailer 13
-
$2,313 USD
View
B+
Retailer 14
-
$2,458 USD
View
Most Expensive
C
NZ Jewellers
61db5728-75eb-408e-9aa2-4028e89b6b47 · Nov 5
$4,623 USD
View
14 more retailers have this diamond
Prices start from $1,727 USDSave up to $2,896 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
1.30ct Round
$1,727 USD