CaratHunter
Plans
Round|Natural|GIA

1.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6562410163

Certificate GIA 6562410163

Diamond specifications and retailer prices

From $6,200 AUD
As of November 6, 2026
Save $7,605 AUD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,805 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562410163. Listed at 17 retailers as of November 5, 2026, with prices from $6,200 to $13,805, a $7,605 spread on the same certified stone. NZ Jewellers lists it at $13,805. 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

1.51
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6562410163
Dimensions7.31 × 7.36 × 4.57 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.31 mm7.36 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562410163
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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: $13,805 AUD|Low: $6,200 AUD|High: $13,805 AUD|Avg: $8,210 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 4$6,200 AUD
Retailer 12$6,257 AUD
Retailer 6$6,401 AUD
Retailer 18$6,421 AUD
Retailer 20$6,585 AUD
Retailer 14$6,598 AUD
Retailer 3$7,478 AUD
Retailer 22$7,478 AUD
Retailer 10$7,615 AUD
Retailer 21$7,922 AUD
Retailer 11$7,927 AUD
Retailer 13$7,997 AUD
Retailer 9$8,384 AUD
Retailer 5$8,442 AUD
Retailer 7$8,442 AUD
Retailer 19$8,628 AUD
Retailer 8$8,728 AUD
Retailer 17$8,834 AUD
Retailer 2$8,880 AUD
Retailer 15$10,932 AUD
Retailer 16$12,127 AUD
NZ Jewellers$13,805 AUD

16 data points across 22 retailers

17 retailers$6,200 AUD to $13,805 AUD

A
Cheapest Retailer
-
$6,200 AUD
A
Retailer 2
-
$6,401 AUD
View
A
Retailer 3
-
$6,421 AUD
View
A
Retailer 4
-
$6,585 AUD
View
A
Retailer 5
-
$6,865 AUD
View
B+
Retailer 6
-
$7,478 AUD
View
B+
Retailer 7
-
$7,478 AUD
View
B+
Retailer 8
-
$7,922 AUD
View
B+
Retailer 9
-
$7,997 AUD
View
B+
Retailer 10
-
$8,442 AUD
View
B+
Retailer 11
-
$8,442 AUD
View
B+
Retailer 12
-
$8,628 AUD
View
B+
Retailer 13
-
$8,728 AUD
View
B+
Retailer 14
-
$8,834 AUD
View
B+
Retailer 15
-
$8,880 AUD
View
B
Retailer 16
-
$12,127 AUD
View
Most Expensive
B
NZ Jewellers
969cb67c-ae04-4e6f-9498-6321ccc71c7a · Nov 5
$13,805 AUD
$9,664 USD
View
16 more retailers have this diamond
Prices start from $6,200 AUDSave up to $7,605 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 Round
$6,200 AUD