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Radiant|Natural|GIA

0.50ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2215027168

Certificate GIA 2215027168

Diamond specifications and retailer prices

From $1,159 AUD
$814 USD
As of October 31, 2026
Save $832 AUD (42%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,991 AUD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 0.5ct natural radiant diamond

This 0.5ct natural radiant sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2215027168. Listed at 5 retailers as of October 31, 2026, with prices from $1,159 to $1,991, a $832 spread on the same certified stone. 77 Diamonds lists it at $1,991. 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

0.50
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2215027168
Dimensions5.44 × 3.91 × 2.69 mm
L/W Ratio1.39
Culet sizeNone
Top View
5.44 mm3.91 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2215027168
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,991 AUD|Low: $1,053 AUD|High: $1,991 AUD|Avg: $1,562 AUD|+2.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2$1,159 AUD
Retailer 3$1,342 AUD
Retailer 4$1,802 AUD
77 Diamonds$1,991 AUD

36 data points across 4 retailers

5 retailers$1,159 AUD to $1,991 AUD

B+
Cheapest Retailer
-
$1,159 AUD
$814 USD
Final sale: no returns
B+
Retailer 2
-
$1,244 AUD
$874 USD
View
B+
Retailer 3
-
$1,342 AUD
$943 USD
View
B
Retailer 4
-
$1,802 AUD
CA$1,758 CAD
View
Most Expensive
B
77 Diamonds
RADMBACDSXRSJ · Nov 1
$1,991 AUD
£1,101 GBP
View
4 more retailers have this diamond
Prices start from $1,159 AUDSave up to $832 AUD

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.

B+
0.50ct Radiant
$1,159 AUD