Round|Natural|GIA

1.30ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6485836623

Certificate GIA 6485836623

Diamond specifications and retailer prices

From $4,420 USD
As of November 4, 2026
Save $5,233 USD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,653 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6485836623. Listed at 17 retailers as of November 4, 2026, with prices from $4,420 to $9,653, a $5,233 spread on the same certified stone. NZ Jewellers lists it at $9,653. 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
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6485836623
Dimensions6.99 × 6.95 × 4.36 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.99 mm6.95 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6485836623
Side View
Table 57.0%Crown 33.5°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 62.8%

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: $9,653 USD|Low: $4,233 USD|High: $9,653 USD|Avg: $5,851 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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 12$4,420 USD
Retailer 16$4,433 USD
Retailer 4$4,560 USD
Retailer 5$4,826 USD
Retailer 17$5,174 USD
Retailer 8$5,229 USD
Retailer 9$5,229 USD
Retailer 15$5,229 USD
Retailer 2$5,538 USD
Retailer 6$5,780 USD
Retailer 14$5,780 USD
Retailer 7$5,970 USD
Retailer 10$5,975 USD
Retailer 11$6,117 USD
Retailer 3$6,367 USD
Retailer 13$8,502 USD
NZ Jewellers$9,653 USD

42 data points across 17 retailers

17 retailers$4,420 USD to $9,653 USD

A
Cheapest Retailer
-
$4,420 USD
A
Retailer 2
-
$4,433 USD
View
A
Retailer 3
-
$4,560 USD
View
A
Retailer 4
-
$4,826 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,174 USD
View
B+
Retailer 6
-
$5,229 USD
View
Retailer 7
-
$5,229 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$5,229 USD
View
B+
Retailer 9
-
$5,538 USD
View
B+
Retailer 10
-
$5,780 USD
View
B+
Retailer 11
-
$5,780 USD
View
B+
Retailer 12
-
$5,970 USD
View
B+
Retailer 13
-
$5,975 USD
View
B+
Retailer 14
-
$6,117 USD
View
Retailer 15
-
$6,367 USD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$8,502 USD
View
Most Expensive
B
NZ Jewellers
4c0f18e2-428a-4981-b49e-78022fea541e · Nov 5
$9,653 USD
View
16 more retailers have this diamond
Prices start from $4,420 USDSave up to $5,233 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
$4,420 USD