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Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6565385552

Certificate GIA 6565385552

Diamond specifications and retailer prices

From $628 SGD
₹46,801 INR
As of November 2, 2026
Save $2,189 SGD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,818 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565385552. Listed at 24 retailers as of October 30, 2026, with prices from $628 to $2,818, a $2,189 spread on the same certified stone. NZ Jewellers lists it at $2,818. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6565385552
Dimensions5.26 × 5.30 × 3.25 mm
L/W Ratio1.01
Key to symbols
Feather
Top View
5.26 mm5.30 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565385552
Side View
Table 57.0%Crown 33°Girdle: NUL-NULPavilion 41.4°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,818 SGD|Low: $628 SGD|High: $2,842 SGD|Avg: $1,121 SGD|-0.9%
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
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 2$628 SGD
Retailer 8$695 SGD
Retailer 21$736 SGD
Retailer 9$803 SGD
Retailer 18$810 SGD
Retailer 17$874 SGD
Retailer 13$881 SGD
Retailer 5$882 SGD
Retailer 12$899 SGD
Retailer 7$1,028 SGD
Retailer 19$1,039 SGD
Retailer 4$1,039 SGD
Retailer 14$1,046 SGD
Retailer 16$1,069 SGD
Retailer 15$1,126 SGD
Retailer 11$1,131 SGD
Retailer 20$1,133 SGD
Retailer 3$1,195 SGD
Retailer 10$1,387 SGD
Retailer 6$2,010 SGD
NZ Jewellers$2,818 SGD

17 data points across 21 retailers

24 retailers$628 SGD to $2,818 SGD

A
Cheapest Retailer
-
$628 SGD
₹46,801 INR
A
Retailer 2
-
$695 SGD
₹51,744 INR
View
A
Retailer 3
-
$736 SGD
HK$4,500 HKD
View
A
Retailer 4
-
$803 SGD
$628 USD
View
Final sale: no returns
A
Retailer 5
-
$810 SGD
A$975 AUD
View
Retailer 6
-
$828 SGD
$648 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$874 SGD
$684 USD
View
A
Retailer 8
-
$881 SGD
$689 USD
View
A
Retailer 9
-
$882 SGD
$690 USD
View
A
Retailer 10
-
$899 SGD
$703 USD
View
Retailer 11
-
$961 SGD
$752 USD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
$1,028 SGD
$804 USD
View
B+
Retailer 13
-
$1,039 SGD
£640 GBP
View
B+
Retailer 14
-
$1,039 SGD
$813 USD
View
B+
Retailer 15
-
$1,046 SGD
$818 USD
View
B+
Retailer 16
-
$1,069 SGD
£658 GBP
View
B+
Retailer 17
-
$1,126 SGD
£694 GBP
View
B+
Retailer 18
-
$1,131 SGD
$885 USD
View
B+
Retailer 19
-
$1,133 SGD
€844 EUR
View
B+
Retailer 20
-
$1,195 SGD
$935 USD
View
B+
Retailer 21
-
$1,387 SGD
ZAR 17,529 ZAR
View
Retailer 22
-
$1,421 SGD
A$1,710 AUD
View
Price last confirmed 29 days ago
B
Retailer 23
-
$2,010 SGD
£1,238 GBP
View
Most Expensive
B
NZ Jewellers
5e2894fb-3241-4d2e-810e-c65ea367873d · Oct 30
$2,818 SGD
$2,204 USD
View
23 more retailers have this diamond
Prices start from $628 SGDSave up to $2,189 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
$628 SGD