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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 $748 NZD
$421 USD
As of November 2, 2026
Save $2,364 NZD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,112 NZD 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 $748 to $3,112, a $2,364 spread on the same certified stone. NZ Jewellers lists it at $3,112. 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: $3,112 NZD|Low: $748 NZD|High: $3,199 NZD|Avg: $1,189 NZD|-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 2, 2026
Retailer 13$748 NZD
Retailer 5$812 NZD
Retailer 7$835 NZD
Retailer 3$874 NZD
Retailer 4$874 NZD
Retailer 9$937 NZD
Retailer 14$937 NZD
Retailer 2$970 NZD
Retailer 8$1,011 NZD
Retailer 12$1,018 NZD
Retailer 11$1,045 NZD
Retailer 10$1,228 NZD
Retailer 6$1,885 NZD
NZ Jewellers$3,112 NZD

25 data points across 14 retailers

14 retailers$748 NZD to $3,112 NZD

A
Cheapest Retailer
-
$748 NZD
$421 USD
Final sale: no returns
A
Retailer 2
-
$812 NZD
$457 USD
View
A
Retailer 3
-
$835 NZD
$470 USD
View
A
Retailer 4
-
$874 NZD
$492 USD
View
A
Retailer 5
-
$874 NZD
$492 USD
View
A
Retailer 6
-
$937 NZD
$527 USD
View
A
Retailer 7
-
$937 NZD
$527 USD
View
A
Retailer 8
-
$970 NZD
£430 GBP
View
A
Retailer 9
-
$1,011 NZD
£448 GBP
View
A
Retailer 10
-
$1,018 NZD
£451 GBP
View
A
Retailer 11
-
$1,045 NZD
$588 USD
View
B+
Retailer 12
-
$1,228 NZD
€658 EUR
View
B
Retailer 13
-
$1,885 NZD
£835 GBP
View
Most Expensive
B
NZ Jewellers
54819742-92c4-4ecb-b168-abcf07359fb5 · Oct 30
$3,112 NZD
$1,751 USD
View
13 more retailers have this diamond
Prices start from $748 NZDSave up to $2,364 NZD

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
$748 NZD