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1.51ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6552974056

Certificate GIA 6552974056

Diamond specifications and retailer prices

From $6,517 NZD
As of November 6, 2026
Save $3,043 NZD (32%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,561 NZD at Jared · As of November 6, 2026
View at Jared

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552974056. Listed at 9 retailers as of November 6, 2026, with prices from $6,517 to $9,561, a $3,043 spread on the same certified stone. Jared lists it at $9,561. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6552974056
Dimensions7.27 × 7.32 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural
Top View
7.27 mm7.32 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552974056
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.4%

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: $9,561 NZD|Low: $6,517 NZD|High: $9,669 NZD|Avg: $8,298 NZD|-1.1%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$6,517 NZD
Retailer 7$7,531 NZD
Retailer 6$8,042 NZD
Retailer 3$8,437 NZD
Retailer 8$8,585 NZD
Retailer 4$9,254 NZD
Retailer 5$9,254 NZD
Jared$9,561 NZD

45 data points across 8 retailers

9 retailers$6,517 NZD to $9,561 NZD

A
Cheapest Retailer
-
$6,517 NZD
B+
Retailer 2
-
$7,531 NZD
View
Final sale: no returns
B+
Retailer 3
-
$8,042 NZD
View
B+
Retailer 4
-
$8,357 NZD
View
B+
Retailer 5
-
$8,437 NZD
View
B+
Retailer 6
-
$8,585 NZD
View
B
Retailer 7
-
$9,254 NZD
View
B
Retailer 8
-
$9,254 NZD
View
Most Expensive
B
Jared
160091726 · Nov 6
$9,561 NZD
$5,300 USD
View
8 more retailers have this diamond
Prices start from $6,517 NZDSave up to $3,043 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
$6,517 NZD