Round|Natural|GIA

0.50ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 2566316621

Certificate GIA 2566316621

Diamond specifications and retailer prices

From $439 USD
As of November 6, 2026
Save $1,359 USD (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,798 USD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2566316621. Listed at 22 retailers as of November 4, 2026, with prices from $439 to $1,798, a $1,359 spread on the same certified stone. NZ Jewellers lists it at $1,798. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566316621
Dimensions4.99 × 4.96 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
4.99 mm4.96 mm0.50 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2566316621
Side View
Table 56.0%Crown 37°Girdle: STK-THKPavilion 39.8°Culet: NDepth 63.4%

Caratlytics Score

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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 6
Current: $1,798 USD|Low: $439 USD|High: $1,817 USD|Avg: $753 USD|+1.1%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 2$439 USD
Retailer 17$499 USD
Retailer 18$520 USD
Retailer 5$528 USD
Retailer 8$573 USD
Retailer 4$580 USD
Retailer 14$580 USD
Retailer 16$617 USD
Retailer 11$624 USD
Retailer 12$628 USD
Retailer 3$661 USD
Retailer 13$692 USD
Retailer 6$703 USD
Retailer 10$727 USD
Retailer 7$760 USD
Retailer 20$765 USD
Retailer 9$808 USD
Retailer 15$884 USD
Retailer 19$1,322 USD
NZ Jewellers$1,798 USD

21 data points across 20 retailers

22 retailers$439 USD to $1,798 USD

A
Cheapest Retailer
-
$439 USD
A
Retailer 2
-
$499 USD
View
A
Retailer 3
-
$520 USD
View
A
Retailer 4
-
$528 USD
View
Final sale: no returns
A
Retailer 5
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$528 USD
View
A
Retailer 6
-
$573 USD
View
A
Retailer 7
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$580 USD
View
A
Retailer 8
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$580 USD
View
A
Retailer 9
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$617 USD
View
Retailer 10
-
$624 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$628 USD
View
Price last confirmed 10 days ago
A
Retailer 12
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$661 USD
View
A
Retailer 13
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$692 USD
View
A
Retailer 14
-
$703 USD
View
B+
Retailer 15
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$727 USD
View
B+
Retailer 16
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$760 USD
View
B+
Retailer 17
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$765 USD
View
B+
Retailer 18
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$808 USD
View
B+
Retailer 19
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$884 USD
View
Retailer 20
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$916 USD
View
Price last confirmed 33 days ago
B
Retailer 21
-
$1,322 USD
View
Most Expensive
B
NZ Jewellers
a0c151ff-2246-4df6-b421-237a63e32995 · Nov 4
$1,798 USD
View
21 more retailers have this diamond
Prices start from $439 USDSave up to $1,359 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
0.50ct Round
$439 USD