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Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7551634492

Certificate GIA 7551634492

Diamond specifications and retailer prices

From $720 SGD
HK$4,400 HKD
As of November 1, 2026
Save $2,335 SGD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,055 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 7551634492. Listed at 20 retailers as of October 30, 2026, with prices from $720 to $3,055, a $2,335 spread on the same certified stone. NZ Jewellers lists it at $3,055. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7551634492
Dimensions5.23 × 5.25 × 3.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather
Top View
5.23 mm5.25 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551634492
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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 1
Current: $1,165 SGD|Low: $720 SGD|High: $2,638 SGD|Avg: $1,255 SGD|+0.2%
Retailer 1
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 2, 2026
Retailer 14$720 SGD
Retailer 10$725 SGD
Retailer 6$869 SGD
Retailer 16$899 SGD
Retailer 4$989 SGD
Retailer 7$1,087 SGD
Retailer 2$1,144 SGD
Retailer 15$1,153 SGD
Retailer 1$1,165 SGD
Retailer 3$1,195 SGD
Retailer 9$1,260 SGD
Retailer 5$1,325 SGD
Retailer 12$1,504 SGD
Retailer 8$1,510 SGD
Retailer 11$1,784 SGD
Retailer 13$2,638 SGD

32 data points across 16 retailers

20 retailers$720 SGD to $3,055 SGD

A
Cheapest Retailer
-
$720 SGD
HK$4,400 HKD
A
Retailer 2
-
$725 SGD
₹54,033 INR
View
Retailer 3
-
$869 SGD
$680 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$899 SGD
$703 USD
View
Final sale: no returns
B+
Retailer 5
-
$974 SGD
$762 USD
View
B+
Retailer 6
-
$989 SGD
$774 USD
View
B+
Retailer 7
-
$1,012 SGD
$792 USD
View
Retailer 8
-
$1,043 SGD
$816 USD
View
Price last confirmed 34 days ago
B+
Retailer 9
-
$1,087 SGD
$850 USD
View
B+
Retailer 10
-
$1,144 SGD
$895 USD
View
B+
Retailer 11
-
$1,153 SGD
£710 GBP
View
B+
Retailer 12
-
$1,165 SGD
£717 GBP
View
B+
Retailer 13
-
$1,195 SGD
$935 USD
View
B+
Retailer 14
-
$1,260 SGD
€939 EUR
View
B+
Retailer 15
-
$1,325 SGD
$1,036 USD
View
B
Retailer 16
-
$1,504 SGD
ZAR 19,009 ZAR
View
Retailer 17
-
$1,510 SGD
A$1,817 AUD
View
Price last confirmed 29 days ago
B
Retailer 18
-
$1,784 SGD
£1,099 GBP
View
B
Retailer 19
-
$2,638 SGD
£1,625 GBP
View
Most Expensive
B
NZ Jewellers
19ae4306-72f5-4bb6-b5c3-8f6f5f008c46 · Oct 30
$3,055 SGD
$2,390 USD
View
19 more retailers have this diamond
Prices start from $720 SGDSave up to $2,335 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
$720 SGD