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Round|Natural|GIA

1.51ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6561676300

Certificate GIA 6561676300

Diamond specifications and retailer prices

From $3,985 NZD
As of November 6, 2026
Save $7,199 NZD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,184 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561676300. Listed at 13 retailers as of November 5, 2026, with prices from $3,985 to $11,184, a $7,199 spread on the same certified stone. NZ Jewellers lists it at $11,184. 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
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561676300
Dimensions7.24 × 7.30 × 4.62 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Feather, Needle, Natural
Top View
7.24 mm7.30 mm1.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561676300
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.5%

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: $11,184 NZD|Low: $3,985 NZD|High: $11,184 NZD|Avg: $5,980 NZD|+15.0%
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
November 6, 2026
Retailer 11$3,985 NZD
Retailer 9$4,791 NZD
Retailer 4$4,812 NZD
Retailer 5$5,137 NZD
Retailer 8$5,349 NZD
Retailer 10$5,556 NZD
Retailer 3$5,584 NZD
Retailer 6$5,602 NZD
Retailer 13$5,991 NZD
Retailer 12$6,173 NZD
Retailer 7$6,212 NZD
Retailer 2$7,060 NZD
NZ Jewellers$11,184 NZD

12 data points across 13 retailers

13 retailers$3,985 NZD to $11,184 NZD

A
Cheapest Retailer
-
$3,985 NZD
B+
Retailer 2
-
$4,791 NZD
View
B+
Retailer 3
-
$4,812 NZD
View
B+
Retailer 4
-
$5,137 NZD
View
B+
Retailer 5
-
$5,349 NZD
View
B+
Retailer 6
-
$5,556 NZD
View
Retailer 7
-
$5,584 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$5,602 NZD
View
B+
Retailer 9
-
$5,991 NZD
View
B+
Retailer 10
-
$6,173 NZD
View
B+
Retailer 11
-
$6,212 NZD
View
B
Retailer 12
-
$7,060 NZD
View
Most Expensive
C
NZ Jewellers
16af0689-024b-484a-978b-e88b7ce78d30 · Nov 5
$11,184 NZD
$6,287 USD
View
12 more retailers have this diamond
Prices start from $3,985 NZDSave up to $7,199 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
$3,985 NZD