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Oval|Natural|GIA

0.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 1543813850

Certificate GIA 1543813850

Diamond specifications and retailer prices

From $742 AUD
As of November 6, 2026
Save $2,426 AUD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,168 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.5ct natural oval diamond

This 0.5ct natural oval sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543813850. Listed at 20 retailers as of November 5, 2026, with prices from $742 to $3,168, a $2,426 spread on the same certified stone. NZ Jewellers lists it at $3,168. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543813850
Dimensions6.91 × 4.35 × 2.70 mm
L/W Ratio1.59
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
6.91 mm4.35 mm0.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1543813850
Side View
Table 61.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 62.1%

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: $3,168 AUD|Low: $742 AUD|High: $3,168 AUD|Avg: $1,462 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
November 6, 2026
Retailer 2$742 AUD
Retailer 6$856 AUD
Retailer 7$931 AUD
Retailer 15$956 AUD
Retailer 5$1,010 AUD
Retailer 12$1,010 AUD
Retailer 14$1,049 AUD
Retailer 11$1,166 AUD
Retailer 10$1,227 AUD
Retailer 8$1,233 AUD
Retailer 9$1,428 AUD
Retailer 13$1,559 AUD
Retailer 3$2,332 AUD
Retailer 4$2,773 AUD
NZ Jewellers$3,168 AUD

23 data points across 15 retailers

20 retailers$742 AUD to $3,168 AUD

A
Cheapest Retailer
-
$742 AUD
A
Retailer 2
-
$856 AUD
View
A
Retailer 3
-
$931 AUD
View
Final sale: no returns
A
Retailer 4
-
$956 AUD
View
A
Retailer 5
-
$1,010 AUD
View
Retailer 6
-
$1,010 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,049 AUD
View
B+
Retailer 8
-
$1,150 AUD
View
B+
Retailer 9
-
$1,166 AUD
View
B+
Retailer 10
-
$1,202 AUD
View
B+
Retailer 11
-
$1,227 AUD
View
B+
Retailer 12
-
$1,233 AUD
View
B+
Retailer 13
-
$1,273 AUD
View
B+
Retailer 14
-
$1,386 AUD
View
B+
Retailer 15
-
$1,428 AUD
View
B+
Retailer 16
-
$1,559 AUD
View
Retailer 17
-
$1,650 AUD
View
Price last confirmed 32 days ago
B
Retailer 18
-
$2,332 AUD
View
Retailer 19
-
$2,773 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
df467229-d5f1-4fa4-b2e2-0d093c480697 · Nov 5
$3,168 AUD
$2,177 USD
View
19 more retailers have this diamond
Prices start from $742 AUDSave up to $2,426 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 Oval
$742 AUD