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Round|Natural|GIA

0.90ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 5536505721

Certificate GIA 5536505721

Diamond specifications and retailer prices

From $1,079 AUD
As of November 6, 2026
Save $3,233 AUD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,311 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5536505721. Listed at 17 retailers as of November 5, 2026, with prices from $1,079 to $4,311, a $3,233 spread on the same certified stone. NZ Jewellers lists it at $4,311. 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

0.90
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5536505721
Dimensions6.01 × 5.96 × 3.87 mm
L/W Ratio1.01
Top View
6.01 mm5.96 mm0.90 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5536505721
Side View
Table 56.0%Crown 38.5°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 65.0%

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 6
Current: $4,311 AUD|Low: $1,060 AUD|High: $4,311 AUD|Avg: $1,818 AUD
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 17$1,079 AUD
Retailer 13$1,129 AUD
Retailer 9$1,150 AUD
Retailer 4$1,246 AUD
Retailer 15$1,250 AUD
Retailer 5$1,260 AUD
Retailer 3$1,293 AUD
Retailer 16$1,311 AUD
Retailer 7$1,361 AUD
Retailer 8$1,437 AUD
Retailer 12$1,584 AUD
Retailer 6$1,627 AUD
Retailer 10$1,776 AUD
Retailer 11$2,013 AUD
Retailer 14$2,514 AUD
Retailer 2$3,266 AUD
NZ Jewellers$4,311 AUD

30 data points across 17 retailers

17 retailers$1,079 AUD to $4,311 AUD

A
Cheapest Retailer
-
$1,079 AUD
A
Retailer 2
-
$1,129 AUD
View
B+
Retailer 3
-
$1,150 AUD
View
Final sale: no returns
B+
Retailer 4
-
$1,246 AUD
View
A
Retailer 5
-
$1,250 AUD
View
B+
Retailer 6
-
$1,260 AUD
View
B+
Retailer 7
-
$1,293 AUD
View
A
Retailer 8
-
$1,311 AUD
View
B+
Retailer 9
-
$1,361 AUD
View
B+
Retailer 10
-
$1,437 AUD
View
B+
Retailer 11
-
$1,584 AUD
View
B+
Retailer 12
-
$1,627 AUD
View
B+
Retailer 13
-
$1,776 AUD
View
B+
Retailer 14
-
$2,013 AUD
View
B
Retailer 15
-
$2,514 AUD
View
B
Retailer 16
-
$3,266 AUD
View
Most Expensive
C
NZ Jewellers
49d693f6-2535-4023-9e32-4d87ac6efd3f · Nov 5
$4,311 AUD
$3,018 USD
View
16 more retailers have this diamond
Prices start from $1,079 AUDSave up to $3,233 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
0.90ct Round
$1,079 AUD