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0.55ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1557129599

Certificate GIA 1557129599

Diamond specifications and retailer prices

From $992 NZD
As of November 5, 2026
Save $839 NZD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,831 NZD at Frank Darling · As of November 6, 2026
View at Frank Darling

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1557129599. Listed at 11 retailers as of November 5, 2026, with prices from $992 to $1,831, a $839 spread on the same certified stone. Frank Darling lists it at $1,831. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1557129599
Dimensions5.33 × 3.19 × 3.19 mm
L/W Ratio1.67
Culet sizeNone
Top View
5.33 mm3.19 mm0.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557129599
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.7%

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 5
Current: $1,831 NZD|Low: $992 NZD|High: $1,852 NZD|Avg: $1,393 NZD|-1.1%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$992 NZD
Retailer 10$1,066 NZD
Retailer 4$1,149 NZD
Retailer 3$1,234 NZD
Retailer 7$1,384 NZD
Retailer 5$1,485 NZD
Retailer 6$1,488 NZD
Retailer 2$1,562 NZD
Retailer 8$1,584 NZD
Frank Darling$1,831 NZD

41 data points across 10 retailers

11 retailers$992 NZD to $1,831 NZD

A
Cheapest Retailer
-
$992 NZD
A
Retailer 2
-
$1,066 NZD
View
A
Retailer 3
-
$1,149 NZD
View
A
Retailer 4
-
$1,234 NZD
View
B+
Retailer 5
-
$1,268 NZD
View
B+
Retailer 6
-
$1,384 NZD
View
B+
Retailer 7
-
$1,485 NZD
View
B+
Retailer 8
-
$1,488 NZD
View
B+
Retailer 9
-
$1,562 NZD
View
B+
Retailer 10
-
$1,584 NZD
View
Most Expensive
B+
Frank Darling
2628440HK · Nov 6
$1,831 NZD
$1,015 USD
View
10 more retailers have this diamond
Prices start from $992 NZDSave up to $839 NZD

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
$992 NZD