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Radiant|Natural|GIA

0.51ct G SI2 Radiant Natural Diamond

VG • G/SI2 • GIA 2534927629

Certificate GIA 2534927629

Diamond specifications and retailer prices

From $599 AUD
$421 USD
As of November 2, 2026
Save $1,893 AUD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,493 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2534927629. Listed at 14 retailers as of October 30, 2026, with prices from $599 to $2,493, a $1,893 spread on the same certified stone. NZ Jewellers lists it at $2,493. 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

0.51
Carat
G
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2534927629
Dimensions5.19 × 4.10 × 2.61 mm
L/W Ratio1.27
Top View
5.19 mm4.10 mm0.51 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2534927629
Side View
Table 75.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 63.6%

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 2
Current: $2,493 AUD|Low: $599 AUD|High: $2,562 AUD|Avg: $953 AUD|-2.7%
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 1, 2026
Retailer 13$599 AUD
Retailer 5$651 AUD
Retailer 2$669 AUD
Retailer 3$700 AUD
Retailer 4$700 AUD
Retailer 8$750 AUD
Retailer 14$750 AUD
Retailer 11$779 AUD
Retailer 7$810 AUD
Retailer 12$815 AUD
Retailer 10$837 AUD
Retailer 9$984 AUD
Retailer 6$1,510 AUD
NZ Jewellers$2,493 AUD

24 data points across 14 retailers

14 retailers$599 AUD to $2,493 AUD

A
Cheapest Retailer
-
$599 AUD
$421 USD
Final sale: no returns
A
Retailer 2
-
$651 AUD
$457 USD
View
A
Retailer 3
-
$669 AUD
$470 USD
View
A
Retailer 4
-
$700 AUD
$492 USD
View
A
Retailer 5
-
$700 AUD
$492 USD
View
A
Retailer 6
-
$750 AUD
$527 USD
View
A
Retailer 7
-
$750 AUD
$527 USD
View
A
Retailer 8
-
$779 AUD
£431 GBP
View
A
Retailer 9
-
$810 AUD
£448 GBP
View
A
Retailer 10
-
$815 AUD
£451 GBP
View
A
Retailer 11
-
$837 AUD
$588 USD
View
B+
Retailer 12
-
$984 AUD
€658 EUR
View
B
Retailer 13
-
$1,510 AUD
£835 GBP
View
Most Expensive
B
NZ Jewellers
54819742-92c4-4ecb-b168-abcf07359fb5 · Oct 30
$2,493 AUD
$1,751 USD
View
13 more retailers have this diamond
Prices start from $599 AUDSave up to $1,893 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.

A
0.51ct Radiant
$599 AUD