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Heart|Natural|GIA

1.51ct L SI2 Heart Natural Diamond

EX • L/SI2 • GIA 1246106134

Certificate GIA 1246106134

Diamond specifications and retailer prices

From $3,868 NZD
As of November 4, 2026
Save $2,604 NZD (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,472 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1246106134. Listed at 7 retailers as of November 4, 2026, with prices from $3,868 to $6,472, a $2,604 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,472. 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
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.65°
Pavilion angle40.19°
OriginNatural
Grading LabGIA
CertificateGIA 1246106134
Dimensions7.90 × 6.96 × 4.66 mm
L/W Ratio1.14
Culet sizeNone
Top View
7.90 mm6.96 mm1.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246106134
Side View
Table 59.0%Crown 42.65°Girdle: MED-VTKPavilion 40.19°Culet: NDepth 59.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,892 NZD|Low: $3,868 NZD|High: $6,472 NZD|Avg: $4,690 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$3,868 NZD
Retailer 3$3,900 NZD
Retailer 2$4,259 NZD
Retailer 4$4,586 NZD
Retailer 5$4,618 NZD
Retailer 1$4,892 NZD
Wholesale Diamonds Direct$6,472 NZD

15 data points across 7 retailers

7 retailers$3,868 NZD to $6,472 NZD

A
Cheapest Retailer
-
$3,868 NZD
A
Retailer 2
-
$3,900 NZD
View
B+
Retailer 3
-
$4,259 NZD
View
B+
Retailer 4
-
$4,586 NZD
View
B+
Retailer 5
-
$4,618 NZD
View
B+
Retailer 6
-
$4,892 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
600305914 · Nov 6
$6,472 NZD
$3,588 USD
View
6 more retailers have this diamond
Prices start from $3,868 NZDSave up to $2,604 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 Heart
$3,868 NZD