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Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5556597374

Certificate GIA 5556597374

Diamond specifications and retailer prices

From $964 SGD
As of November 6, 2026
Save $1,340 SGD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,979 SGD at NZ Jewellers · As of October 30, 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 5556597374. Listed at 20 retailers as of November 2, 2026, with a 139% 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 angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5556597374
Dimensions5.22 × 5.19 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.22 mm5.19 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556597374
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.2%

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: $3,979 SGD|Low: $950 SGD|High: $3,979 SGD|Avg: $1,582 SGD|+3.5%
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
Retailer 18
November 6, 2026
Retailer 3$964 SGD
Retailer 2$968 SGD
Retailer 15$1,160 SGD
Retailer 17$1,175 SGD
Retailer 7$1,268 SGD
Retailer 10$1,268 SGD
Retailer 8$1,318 SGD
Retailer 6$1,369 SGD
Retailer 16$1,405 SGD
Retailer 13$1,450 SGD
Retailer 11$1,451 SGD
Retailer 9$1,464 SGD
Retailer 18$1,623 SGD
Retailer 4$1,637 SGD
Retailer 14$1,680 SGD
Retailer 12$1,941 SGD
Retailer 5$2,304 SGD
NZ Jewellers$3,979 SGD

27 data points across 18 retailers

20 retailers$964 SGD to $2,304 SGD

A
Cheapest Retailer
-
$964 SGD
A
Retailer 2
-
$968 SGD
View
B+
Retailer 3
-
$1,160 SGD
View
Final sale: no returns
A
Retailer 4
-
$1,175 SGD
View
Retailer 5
-
$1,268 SGD
View
Price last confirmed 8 days ago
Retailer 6
-
$1,268 SGD
View
Price last confirmed 9 days ago
Retailer 7
-
$1,318 SGD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$1,369 SGD
View
B+
Retailer 9
-
$1,405 SGD
View
B+
Retailer 10
-
$1,450 SGD
View
B+
Retailer 11
-
$1,451 SGD
View
Retailer 12
-
$1,464 SGD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$1,623 SGD
View
B+
Retailer 14
-
$1,637 SGD
View
B+
Retailer 15
-
$1,650 SGD
View
Retailer 16
-
$1,672 SGD
View
Price last confirmed 32 days ago
B+
Retailer 17
-
$1,680 SGD
View
B
Retailer 18
-
$1,941 SGD
View
B
Retailer 19
-
$2,304 SGD
View
Most Expensive
NZ Jewellers
043d5255-ff83-40b6-b042-a81e81d9236f · Oct 30
$3,979 SGD
$3,115 USD
View
Price last confirmed 7 days ago
19 more retailers have this diamond
Prices start from $964 SGDSave up to $1,340 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
$964 SGD