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Round|Natural|GIA

1.33ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 7436924391

Certificate GIA 7436924391

Diamond specifications and retailer prices

From $3,451 AUD
As of November 6, 2026
Save $4,091 AUD (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,542 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.33ct natural round diamond

This 1.33ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7436924391. Listed at 11 retailers as of November 5, 2026, with prices from $3,451 to $7,542, a $4,091 spread on the same certified stone. NZ Jewellers lists it at $7,542. 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

1.33
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7436924391
Dimensions6.97 × 7.02 × 4.35 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.97 mm7.02 mm1.33 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 7436924391
Side View
Table 58.0%Crown 36°Girdle: MED-THKPavilion 40.8°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 6
Current: $7,542 AUD|Low: $3,450 AUD|High: $7,542 AUD|Avg: $4,417 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$3,451 AUD
Retailer 3$3,471 AUD
Retailer 8$3,607 AUD
Retailer 10$3,607 AUD
Retailer 11$3,774 AUD
Retailer 4$3,794 AUD
Retailer 6$4,031 AUD
Retailer 9$4,163 AUD
Retailer 5$4,403 AUD
Retailer 7$6,304 AUD
NZ Jewellers$7,542 AUD

31 data points across 11 retailers

11 retailers$3,451 AUD to $7,542 AUD

A
Cheapest Retailer
-
$3,451 AUD
A
Retailer 2
-
$3,471 AUD
View
B+
Retailer 3
-
$3,607 AUD
View
Retailer 4
-
$3,607 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,774 AUD
View
B+
Retailer 6
-
$3,794 AUD
View
B+
Retailer 7
-
$4,031 AUD
View
B+
Retailer 8
-
$4,163 AUD
View
B+
Retailer 9
-
$4,403 AUD
View
B
Retailer 10
-
$6,304 AUD
View
Most Expensive
C
NZ Jewellers
32984eb7-c5e3-430b-9804-7f4e5f97af96 · Nov 5
$7,542 AUD
$5,280 USD
View
10 more retailers have this diamond
Prices start from $3,451 AUDSave up to $4,091 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
1.33ct Round
$3,451 AUD