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Round|Natural|GIA

1.30ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6492975872

Certificate GIA 6492975872

Diamond specifications and retailer prices

From $7,128 AUD
As of November 4, 2026
Save $6,663 AUD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,792 AUD at MOH London · As of November 4, 2026
View at MOH London

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 6492975872. Listed at 15 retailers as of November 4, 2026, with prices from $7,128 to $13,792, a $6,663 spread on the same certified stone. MOH London lists it at $13,792. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6492975872
Dimensions7.05 × 7.01 × 4.27 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.05 mm7.01 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492975872
Side View
Table 59.0%Crown 36°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 60.7%

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: $13,792 AUD|Low: $7,128 AUD|High: $13,997 AUD|Avg: $10,038 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$7,128 AUD
Retailer 5$8,504 AUD
Retailer 2$8,855 AUD
Retailer 3$9,602 AUD
MOH London$13,792 AUD

42 data points across 5 retailers

15 retailers$7,128 AUD to $13,792 AUD

A
Cheapest Retailer
-
$7,128 AUD
A
Retailer 2
-
$7,210 AUD
View
A
Retailer 3
-
$7,417 AUD
View
B+
Retailer 4
-
$7,915 AUD
View
Retailer 5
-
$8,504 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$8,855 AUD
View
B+
Retailer 7
-
$9,277 AUD
View
B+
Retailer 8
-
$9,471 AUD
View
B+
Retailer 9
-
$9,471 AUD
View
B+
Retailer 10
-
$9,602 AUD
View
B
Retailer 11
-
$9,800 AUD
View
Retailer 12
-
$10,348 AUD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$11,965 AUD
View
B
Retailer 14
-
$12,031 AUD
View
Most Expensive
B
MOH London
65FE5E683 · Nov 4
$13,792 AUD
£7,602 GBP
View
14 more retailers have this diamond
Prices start from $7,128 AUDSave up to $6,663 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
$7,128 AUD