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Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1559947635

Certificate GIA 1559947635

Diamond specifications and retailer prices

From $833 SGD
As of November 6, 2026
Save $1,238 SGD (60%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,645 SGD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559947635. Listed at 22 retailers as of November 2, 2026, with a 149% 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

0.55
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559947635
Dimensions5.21 × 5.24 × 3.26 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
5.21 mm5.24 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559947635
Side View
Table 60.0%Crown 35°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.4%

Caratlytics Score

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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: $3,513 SGD|Low: $817 SGD|High: $3,513 SGD|Avg: $1,570 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
Retailer 16
November 6, 2026
Retailer 16$833 SGD
Retailer 4$1,042 SGD
Retailer 12$1,074 SGD
Retailer 3$1,144 SGD
Retailer 10$1,150 SGD
Retailer 11$1,152 SGD
Retailer 8$1,279 SGD
Retailer 7$1,322 SGD
Retailer 2$1,362 SGD
Retailer 9$1,455 SGD
Retailer 5$1,497 SGD
Retailer 6$1,563 SGD
Retailer 13$1,585 SGD
Retailer 14$1,745 SGD
Retailer 15$2,071 SGD
NZ Jewellers$3,513 SGD

27 data points across 16 retailers

22 retailers$833 SGD to $2,071 SGD

A
Cheapest Retailer
-
$833 SGD
A
Retailer 2
-
$1,042 SGD
View
Final sale: no returns
Retailer 3
-
$1,073 SGD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$1,074 SGD
View
A
Retailer 5
-
$1,144 SGD
View
A
Retailer 6
-
$1,150 SGD
View
A
Retailer 7
-
$1,152 SGD
View
Retailer 8
-
$1,162 SGD
View
Price last confirmed 36 days ago
Retailer 9
-
$1,207 SGD
View
Price last confirmed 38 days ago
Retailer 10
-
$1,279 SGD
View
Price last confirmed 19 days ago
Retailer 11
-
$1,322 SGD
View
Price last confirmed 14 days ago
Retailer 12
-
$1,341 SGD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$1,362 SGD
View
B+
Retailer 14
-
$1,455 SGD
View
B+
Retailer 15
-
$1,497 SGD
View
B+
Retailer 16
-
$1,563 SGD
View
B+
Retailer 17
-
$1,585 SGD
View
B+
Retailer 18
-
$1,745 SGD
View
Retailer 19
-
$1,779 SGD
View
Price last confirmed 33 days ago
B
Retailer 20
-
$2,071 SGD
View
Retailer 21
-
$3,513 SGD
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
e97691f5-6850-4cc3-a733-ef7ac86c9fc3 · Sep 24
$3,645 SGD
$2,854 USD
View
Price last confirmed 43 days ago
21 more retailers have this diamond
Prices start from $833 SGDSave up to $1,238 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
0.55ct Round
$833 SGD