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Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2225190395

Certificate GIA 2225190395

Diamond specifications and retailer prices

From $724 SGD
$566 USD
As of October 26, 2026
Save $1,318 SGD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,455 SGD at NZ Jewellers · As of September 15, 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 2225190395. Listed at 20 retailers as of October 26, 2026, with a 182% 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2225190395
Dimensions5.23 × 5.19 × 3.22 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Needle, Feather
Top View
5.23 mm5.19 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225190395
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.1%

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: Oct 26
Current: $1,032 SGD|Low: $660 SGD|High: $1,864 SGD|Avg: $1,011 SGD|+0.9%
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 12$724 SGD
Retailer 16$735 SGD
Retailer 6$812 SGD
Retailer 15$813 SGD
Retailer 2$859 SGD
Retailer 14$859 SGD
Retailer 13$958 SGD
Retailer 5$966 SGD
Retailer 3$972 SGD
Retailer 9$976 SGD
Retailer 1$1,032 SGD
Retailer 4$1,036 SGD
Retailer 7$1,085 SGD
Retailer 8$1,175 SGD
Retailer 10$1,231 SGD
Retailer 11$1,851 SGD

36 data points across 16 retailers

20 retailers$724 SGD to $2,041 SGD

A
Cheapest Retailer
-
$724 SGD
$566 USD
A
Retailer 2
-
$735 SGD
$575 USD
View
Final sale: no returns
Retailer 3
-
$782 SGD
$612 USD
View
Price last confirmed 48 days ago
A
Retailer 4
-
$812 SGD
$635 USD
View
A
Retailer 5
-
$813 SGD
View
Retailer 6
-
$859 SGD
$672 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$859 SGD
$672 USD
View
Retailer 8
-
$903 SGD
$706 USD
View
Price last confirmed 49 days ago
A
Retailer 9
-
$958 SGD
£590 GBP
View
B+
Retailer 10
-
$966 SGD
$756 USD
View
B+
Retailer 11
-
$972 SGD
$760 USD
View
B+
Retailer 12
-
$976 SGD
£601 GBP
View
B+
Retailer 13
-
$1,032 SGD
£636 GBP
View
B+
Retailer 14
-
$1,036 SGD
$810 USD
View
B+
Retailer 15
-
$1,085 SGD
$849 USD
View
Retailer 16
-
$1,175 SGD
A$1,414 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
$1,231 SGD
ZAR 15,555 ZAR
View
B
Retailer 18
-
$1,851 SGD
£1,140 GBP
View
B
Retailer 19
-
$2,041 SGD
£1,257 GBP
View
Most Expensive
NZ Jewellers
03ddd43e-3800-4c6a-a3d6-3159a1065b64 · Sep 15
$2,455 SGD
$1,920 USD
View
Price last confirmed 48 days ago
19 more retailers have this diamond
Prices start from $724 SGDSave up to $1,318 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
$724 SGD