Round|Natural|GIA

1.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6562410163

Certificate GIA 6562410163

Diamond specifications and retailer prices

From $7,829 NZD
As of November 6, 2026
Save $9,604 NZD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $17,433 NZD 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 $7,829 to $17,433, a $9,604 spread on the same certified stone. NZ Jewellers lists it at $17,433. 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: $17,433 NZD|Low: $7,829 NZD|High: $17,433 NZD|Avg: $10,368 NZD
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$7,829 NZD
Retailer 12$7,901 NZD
Retailer 6$8,083 NZD
Retailer 18$8,109 NZD
Retailer 20$8,316 NZD
Retailer 14$8,332 NZD
Retailer 3$9,443 NZD
Retailer 22$9,443 NZD
Retailer 10$9,617 NZD
Retailer 21$10,004 NZD
Retailer 11$10,010 NZD
Retailer 13$10,098 NZD
Retailer 9$10,587 NZD
Retailer 5$10,661 NZD
Retailer 7$10,661 NZD
Retailer 19$10,896 NZD
Retailer 8$11,022 NZD
Retailer 17$11,155 NZD
Retailer 2$11,213 NZD
Retailer 15$13,805 NZD
Retailer 16$15,313 NZD
NZ Jewellers$17,433 NZD

16 data points across 22 retailers

17 retailers$7,829 NZD to $17,433 NZD

A
Cheapest Retailer
-
$7,829 NZD
A
Retailer 2
-
$8,083 NZD
View
A
Retailer 3
-
$8,109 NZD
View
A
Retailer 4
-
$8,316 NZD
View
A
Retailer 5
-
$8,670 NZD
View
B+
Retailer 6
-
$9,443 NZD
View
B+
Retailer 7
-
$9,443 NZD
View
B+
Retailer 8
-
$10,004 NZD
View
B+
Retailer 9
-
$10,098 NZD
View
B+
Retailer 10
-
$10,661 NZD
View
B+
Retailer 11
-
$10,661 NZD
View
B+
Retailer 12
-
$10,896 NZD
View
B+
Retailer 13
-
$11,022 NZD
View
B+
Retailer 14
-
$11,155 NZD
View
B+
Retailer 15
-
$11,213 NZD
View
B
Retailer 16
-
$15,313 NZD
View
Most Expensive
B
NZ Jewellers
969cb67c-ae04-4e6f-9498-6321ccc71c7a · Nov 5
$17,433 NZD
$9,664 USD
View
16 more retailers have this diamond
Prices start from $7,829 NZDSave up to $9,604 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
1.51ct Round
$7,829 NZD