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Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6505827712

Certificate GIA 6505827712

Diamond specifications and retailer prices

From $858 SGD
As of November 6, 2026
Save $1,658 SGD (66%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,639 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 6505827712. Listed at 27 retailers as of November 5, 2026, with a 193% 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 angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6505827712
Dimensions5.25 × 5.22 × 3.28 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
5.25 mm5.22 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505827712
Side View
Table 56.0%Crown 34°Girdle: ThickPavilion 41.6°Culet: NoneDepth 62.7%

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: $858 SGD|Low: $858 SGD|High: $2,151 SGD|Avg: $1,394 SGD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$858 SGD
Retailer 3$1,070 SGD
Retailer 9$1,118 SGD
Retailer 11$1,161 SGD
Retailer 5$1,336 SGD
Retailer 2$1,360 SGD
Retailer 7$1,395 SGD
Retailer 4$1,493 SGD
Retailer 6$1,497 SGD
Retailer 8$1,791 SGD
Retailer 10$2,124 SGD

31 data points across 11 retailers

27 retailers$858 SGD to $2,516 SGD

A
Cheapest Retailer
-
$858 SGD
A
Retailer 2
-
$1,061 SGD
View
A
Retailer 3
-
$1,070 SGD
View
Final sale: no returns
A
Retailer 4
-
$1,118 SGD
View
Retailer 5
-
$1,161 SGD
View
Price last confirmed 8 days ago
Retailer 6
-
$1,161 SGD
View
Price last confirmed 20 days ago
Retailer 7
-
$1,161 SGD
View
Price last confirmed 39 days ago
Retailer 8
-
$1,161 SGD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$1,161 SGD
View
B+
Retailer 10
-
$1,174 SGD
View
Retailer 11
-
$1,204 SGD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$1,243 SGD
View
B+
Retailer 13
-
$1,330 SGD
View
B+
Retailer 14
-
$1,336 SGD
View
Retailer 15
-
$1,339 SGD
View
Price last confirmed 40 days ago
B+
Retailer 16
-
$1,339 SGD
View
B+
Retailer 17
-
$1,360 SGD
View
B+
Retailer 18
-
$1,395 SGD
View
B+
Retailer 19
-
$1,493 SGD
View
B+
Retailer 20
-
$1,497 SGD
View
Retailer 21
-
$1,745 SGD
View
Price last confirmed 32 days ago
B+
Retailer 22
-
$1,791 SGD
View
B
Retailer 23
-
$2,124 SGD
View
B
Retailer 24
-
$2,516 SGD
View
Retailer 25
-
$3,639 SGD
View
Price last confirmed 43 days ago
Retailer 26
-
$3,639 SGD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
069e317e-d3f5-48cb-a98f-0d0638402bf8 · Oct 30
$3,639 SGD
$2,849 USD
View
Price last confirmed 7 days ago
26 more retailers have this diamond
Prices start from $858 SGDSave up to $1,658 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
$858 SGD