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Round|Natural|GIA

1.30ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 5231484333

Certificate GIA 5231484333

Diamond specifications and retailer prices

From $9,104 AUD
As of November 1, 2026
Save $5,619 AUD (38%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $14,722 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5231484333. Listed at 9 retailers as of November 1, 2026, with prices from $9,104 to $14,722, a $5,619 spread on the same certified stone. MOH London lists it at $14,722. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.30
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231484333
Dimensions7.12 × 7.07 × 4.26 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
7.12 mm7.07 mm1.30 ctD / SI1
OriginNatural
CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231484333
Side View
Table 62.0%Crown 33.5°Girdle: ThinPavilion 41.6°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $14,722 AUD|Low: $8,929 AUD|High: $15,410 AUD|Avg: $11,328 AUD|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$9,104 AUD
Retailer 8$9,237 AUD
Retailer 10$9,299 AUD
Retailer 5$9,446 AUD
Retailer 7$9,777 AUD
Retailer 9$10,281 AUD
Retailer 4$11,485 AUD
Retailer 2$12,924 AUD
Retailer 11$13,442 AUD
Retailer 3$13,448 AUD
MOH London$14,722 AUD

22 data points across 11 retailers

9 retailers$9,104 AUD to $14,722 AUD

B+
Cheapest Retailer
-
$9,104 AUD
B+
Retailer 2
-
$9,237 AUD
View
B+
Retailer 3
-
$9,299 AUD
View
B+
Retailer 4
-
$9,446 AUD
View
Retailer 5
-
$9,777 AUD
View
Price last confirmed 8 days ago
Retailer 6
-
$10,281 AUD
View
Price last confirmed 15 days ago
B
Retailer 7
-
$11,485 AUD
View
B
Retailer 8
-
$12,924 AUD
View
Most Expensive
B
MOH London
CB3F21F4B · Nov 4
$14,722 AUD
£7,965 GBP
View
8 more retailers have this diamond
Prices start from $9,104 AUDSave up to $5,619 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.

B+
1.30ct Round
$9,104 AUD