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Round|Natural|GIA

0.50ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 7551754882

Certificate GIA 7551754882

Diamond specifications and retailer prices

From $690 AUD
As of November 6, 2026
Save $2,257 AUD (77%) vs most expensive(unlock to see where)
36 retailers carry this diamond
Most expensive: $3,113 AUD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551754882. Listed at 36 retailers as of November 4, 2026, with a 327% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.50
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7551754882
Dimensions5.03 × 5.07 × 3.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
5.03 mm5.07 mm0.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551754882
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 63.0%

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: $3,030 AUD|Low: $690 AUD|High: $3,030 AUD|Avg: $1,325 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 2$690 AUD
Retailer 8$819 AUD
Retailer 6$866 AUD
Retailer 5$889 AUD
Retailer 3$940 AUD
Retailer 10$1,003 AUD
Retailer 16$1,012 AUD
Retailer 17$1,012 AUD
Retailer 7$1,090 AUD
Retailer 9$1,115 AUD
Retailer 15$1,131 AUD
Retailer 13$1,140 AUD
Retailer 12$1,154 AUD
Retailer 11$1,255 AUD
Retailer 14$2,169 AUD
Retailer 4$2,707 AUD
NZ Jewellers$3,030 AUD

28 data points across 17 retailers

36 retailers$690 AUD to $2,947 AUD

A
Cheapest Retailer
-
$690 AUD
A
Retailer 2
-
$819 AUD
View
A
Retailer 3
-
$866 AUD
View
Final sale: no returns
A
Retailer 4
-
$889 AUD
View
A
Retailer 5
-
$940 AUD
View
Retailer 6
-
$966 AUD
View
Price last confirmed 17 days ago
Retailer 7
-
$966 AUD
View
Price last confirmed 26 days ago
Retailer 8
-
$966 AUD
View
Price last confirmed 21 days ago
Retailer 9
-
$966 AUD
View
Price last confirmed 26 days ago
Retailer 10
-
$993 AUD
View
Price last confirmed 50 days ago
Retailer 11
-
$993 AUD
View
Price last confirmed 36 days ago
Retailer 12
-
$993 AUD
View
Price last confirmed 29 days ago
Retailer 13
-
$993 AUD
View
Price last confirmed 29 days ago
Retailer 14
-
$1,003 AUD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
$1,003 AUD
View
Retailer 16
-
$1,004 AUD
View
Price last confirmed 43 days ago
Retailer 17
-
$1,012 AUD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$1,012 AUD
View
B+
Retailer 19
-
$1,012 AUD
View
B+
Retailer 20
-
$1,084 AUD
View
B+
Retailer 21
-
$1,090 AUD
View
Retailer 22
-
$1,115 AUD
View
Price last confirmed 17 days ago
Retailer 23
-
$1,115 AUD
View
Price last confirmed 26 days ago
B+
Retailer 24
-
$1,131 AUD
View
B+
Retailer 25
-
$1,140 AUD
View
Retailer 26
-
$1,145 AUD
View
Price last confirmed 49 days ago
Retailer 27
-
$1,145 AUD
View
Price last confirmed 33 days ago
B+
Retailer 28
-
$1,154 AUD
View
B+
Retailer 29
-
$1,255 AUD
View
B
Retailer 30
-
$2,169 AUD
View
Retailer 31
-
$2,707 AUD
View
Price last confirmed 9 days ago
B
Retailer 32
-
$2,947 AUD
View
Retailer 33
-
$3,030 AUD
View
Price last confirmed 24 days ago
Retailer 34
-
$3,030 AUD
View
Price last confirmed 17 days ago
Retailer 35
-
$3,113 AUD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
68448261-eed4-407d-9b27-dc5d60015ee1 · Oct 3
$3,113 AUD
$2,139 USD
View
Price last confirmed 34 days ago
35 more retailers have this diamond
Prices start from $690 AUDSave up to $2,257 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
0.50ct Round
$690 AUD