Round|Natural|GIA

0.52ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1553962640

Certificate GIA 1553962640

Diamond specifications and retailer prices

From $434 USD
As of November 2, 2026
Save $865 USD (67%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,765 USD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 0.52ct natural round diamond

This 0.52ct 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 1553962640. Listed at 18 retailers as of November 2, 2026, with a 199% 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

0.52
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1553962640
Dimensions5.11 × 5.14 × 3.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.11 mm5.14 mm0.52 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1553962640
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.9%

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: Nov 2
Current: $1,765 USD|Low: $433 USD|High: $1,765 USD|Avg: $744 USD
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
November 4, 2026
Retailer 11$434 USD
Retailer 2$486 USD
Retailer 4$510 USD
Retailer 3$518 USD
Retailer 6$567 USD
Retailer 5$606 USD
Retailer 8$685 USD
Retailer 10$700 USD
Retailer 9$736 USD
Retailer 7$755 USD
Retailer 12$783 USD
Retailer 14$868 USD
Retailer 13$1,299 USD
NZ Jewellers$1,765 USD

31 data points across 14 retailers

18 retailers$434 USD to $1,299 USD

A
Cheapest Retailer
-
$434 USD
A
Retailer 2
-
$486 USD
View
A
Retailer 3
-
$510 USD
View
Retailer 4
-
$567 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$570 USD
View
Retailer 6
-
$599 USD
View
Price last confirmed 53 days ago
Retailer 7
-
$606 USD
View
Price last confirmed 22 days ago
Retailer 8
-
$606 USD
View
Price last confirmed 15 days ago
B+
Retailer 9
-
$685 USD
View
Retailer 10
-
$691 USD
View
Price last confirmed 53 days ago
B+
Retailer 11
-
$700 USD
View
B+
Retailer 12
-
$736 USD
View
B+
Retailer 13
-
$755 USD
View
B+
Retailer 14
-
$783 USD
View
B+
Retailer 15
-
$868 USD
View
Retailer 16
-
$879 USD
View
Price last confirmed 33 days ago
B
Retailer 17
-
$1,299 USD
View
Most Expensive
NZ Jewellers
23ab69bb-6ceb-4dcb-a98f-8c351818bcc4 · Oct 23
$1,765 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from $434 USDSave up to $865 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
0.52ct Round
$434 USD