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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 $654 SGD
As of November 6, 2026
Save $2,136 SGD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,790 SGD 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 $654 to $2,790, a $2,136 spread on the same certified stone. NZ Jewellers lists it at $2,790. 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: $2,790 SGD|Low: $654 SGD|High: $2,790 SGD|Avg: $1,287 SGD
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$654 SGD
Retailer 6$754 SGD
Retailer 7$820 SGD
Retailer 15$842 SGD
Retailer 5$889 SGD
Retailer 12$889 SGD
Retailer 14$924 SGD
Retailer 11$1,027 SGD
Retailer 10$1,080 SGD
Retailer 8$1,086 SGD
Retailer 9$1,257 SGD
Retailer 13$1,373 SGD
Retailer 3$2,053 SGD
Retailer 4$2,441 SGD
NZ Jewellers$2,790 SGD

23 data points across 15 retailers

20 retailers$654 SGD to $2,790 SGD

A
Cheapest Retailer
-
$654 SGD
A
Retailer 2
-
$754 SGD
View
A
Retailer 3
-
$820 SGD
View
Final sale: no returns
A
Retailer 4
-
$842 SGD
View
A
Retailer 5
-
$889 SGD
View
Retailer 6
-
$889 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$924 SGD
View
B+
Retailer 8
-
$1,012 SGD
View
B+
Retailer 9
-
$1,027 SGD
View
B+
Retailer 10
-
$1,059 SGD
View
B+
Retailer 11
-
$1,080 SGD
View
B+
Retailer 12
-
$1,086 SGD
View
B+
Retailer 13
-
$1,121 SGD
View
B+
Retailer 14
-
$1,220 SGD
View
B+
Retailer 15
-
$1,257 SGD
View
B+
Retailer 16
-
$1,373 SGD
View
Retailer 17
-
$1,453 SGD
View
Price last confirmed 32 days ago
B
Retailer 18
-
$2,053 SGD
View
Retailer 19
-
$2,441 SGD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
df467229-d5f1-4fa4-b2e2-0d093c480697 · Nov 5
$2,790 SGD
$2,177 USD
View
19 more retailers have this diamond
Prices start from $654 SGDSave up to $2,136 SGD

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
$654 SGD