CaratHunter
Plans
Radiant|Natural|GIA

1.51ct I VS1 Radiant Natural Diamond

EX • I/VS1 • GIA 2231680376

Certificate GIA 2231680376

Diamond specifications and retailer prices

From $6,942 AUD
As of November 6, 2026
Save $6,968 AUD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,911 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231680376. Listed at 16 retailers as of November 5, 2026, with prices from $6,942 to $13,911, a $6,968 spread on the same certified stone. NZ Jewellers lists it at $13,911. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle61.3°
OriginNatural
Grading LabGIA
CertificateGIA 2231680376
Dimensions6.20 × 6.19 × 4.20 mm
L/W Ratio1.00
Girdle conditionPolished
Top View
6.20 mm6.19 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231680376
Side View
Table 65.0%CrownGirdle: STK-THKPavilion 61.3°Culet: NoneDepth 67.7%

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 6
Current: $13,911 AUD|Low: $6,942 AUD|High: $13,911 AUD|Avg: $9,200 AUD
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
November 7, 2026
Retailer 7$6,942 AUD
Retailer 14$6,954 AUD
Retailer 11$7,133 AUD
Retailer 4$7,188 AUD
Retailer 13$7,741 AUD
Retailer 8$8,018 AUD
Retailer 2$8,112 AUD
Retailer 5$8,514 AUD
Retailer 12$8,514 AUD
Retailer 6$8,615 AUD
Retailer 3$8,791 AUD
Retailer 15$9,026 AUD
Retailer 9$9,360 AUD
Retailer 16$12,164 AUD
Retailer 10$13,211 AUD
NZ Jewellers$13,911 AUD

43 data points across 16 retailers

16 retailers$6,942 AUD to $13,911 AUD

A
Cheapest Retailer
-
$6,942 AUD
A
Retailer 2
-
$6,954 AUD
View
Final sale: no returns
A
Retailer 3
-
$7,133 AUD
View
A
Retailer 4
-
$7,188 AUD
View
A
Retailer 5
-
$7,741 AUD
View
A
Retailer 6
-
$8,018 AUD
View
A
Retailer 7
-
$8,112 AUD
View
A
Retailer 8
-
$8,514 AUD
View
A
Retailer 9
-
$8,514 AUD
View
A
Retailer 10
-
$8,615 AUD
View
A
Retailer 11
-
$8,791 AUD
View
A
Retailer 12
-
$9,026 AUD
View
A
Retailer 13
-
$9,360 AUD
View
B+
Retailer 14
-
$12,164 AUD
View
B+
Retailer 15
-
$13,211 AUD
View
Most Expensive
B
NZ Jewellers
6bf95cbb-901d-4dec-84c7-2dca9254fabc · Nov 5
$13,911 AUD
$9,558 USD
View
15 more retailers have this diamond
Prices start from $6,942 AUDSave up to $6,968 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
1.51ct Radiant
$6,942 AUD