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Round|Natural|GIA

1.30ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6565606078

Certificate GIA 6565606078

Diamond specifications and retailer prices

From $2,304 AUD
As of November 4, 2026
Save $1,446 AUD (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,750 AUD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565606078. Listed at 7 retailers as of November 4, 2026, with prices from $2,304 to $3,750, a $1,446 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,750. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565606078
Dimensions6.94 × 6.99 × 4.34 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.94 mm6.99 mm1.30 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565606078
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: $2,891 AUD|Low: $2,304 AUD|High: $3,750 AUD|Avg: $2,964 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 5$2,304 AUD
Retailer 3$2,336 AUD
Retailer 4$2,773 AUD
Retailer 1$2,891 AUD
Retailer 6$3,046 AUD
Retailer 2$3,220 AUD
Wholesale Diamonds Direct$3,750 AUD

11 data points across 7 retailers

7 retailers$2,304 AUD to $3,750 AUD

A
Cheapest Retailer
-
$2,304 AUD
A
Retailer 2
-
$2,336 AUD
View
B+
Retailer 3
-
$2,773 AUD
View
B+
Retailer 4
-
$2,891 AUD
View
B+
Retailer 5
-
$3,046 AUD
View
B+
Retailer 6
-
$3,220 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
634729393 · Nov 4
$3,750 AUD
$2,625 USD
View
6 more retailers have this diamond
Prices start from $2,304 AUDSave up to $1,446 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
1.30ct Round
$2,304 AUD