Round|Natural|GIA

0.53ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2256351445

Certificate GIA 2256351445

Diamond specifications and retailer prices

From $635 USD
As of November 6, 2026
Save $1,091 USD (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,382 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct 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 2256351445. Listed at 12 retailers as of November 6, 2026, with a 172% 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

0.53
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2256351445
Dimensions5.22 × 5.20 × 3.23 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
5.22 mm5.20 mm0.53 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2256351445
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.0%

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 6
Current: $2,382 USD|Low: $635 USD|High: $2,382 USD|Avg: $1,051 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6$635 USD
Retailer 4$680 USD
Retailer 9$688 USD
Retailer 7$715 USD
Retailer 8$794 USD
Retailer 10$828 USD
Retailer 3$898 USD
Retailer 2$1,067 USD
Retailer 5$1,389 USD
NZ Jewellers$2,382 USD

41 data points across 10 retailers

12 retailers$635 USD to $1,726 USD

A
Cheapest Retailer
-
$635 USD
Final sale: no returns
A
Retailer 2
-
$675 USD
View
A
Retailer 3
-
$680 USD
View
Retailer 4
-
$688 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$688 USD
View
Price last confirmed 53 days ago
B+
Retailer 6
-
$715 USD
View
Retailer 7
-
$794 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$898 USD
View
B+
Retailer 9
-
$1,067 USD
View
B
Retailer 10
-
$1,389 USD
View
B
Retailer 11
-
$1,726 USD
View
Most Expensive
NZ Jewellers
e6ad5db8-4553-4122-aa88-3413d7c801c6 · Oct 30
$2,382 USD
View
Price under review
11 more retailers have this diamond
Prices start from $635 USDSave up to $1,091 USD

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
0.53ct Round
$635 USD