CaratHunter
Plans
Heart|Natural|GIA

1.51ct F SI2 Heart Natural Diamond

ID • F/SI2 • GIA 6237686959

Certificate GIA 6237686959

Diamond specifications and retailer prices

From $7,448 NZD
As of November 6, 2026
Save $6,842 NZD (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $14,290 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237686959. Listed at 7 retailers as of November 3, 2026, with prices from $7,448 to $14,290, a $6,842 spread on the same certified stone. NZ Jewellers lists it at $14,290. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.06°
Pavilion angle42.2°
OriginNatural
Grading LabGIA
CertificateGIA 6237686959
Dimensions6.73 × 8.01 × 4.86 mm
L/W Ratio1.19
Top View
6.73 mm8.01 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237686959
Side View
Table 62.0%Crown 35.06°Girdle: MED-THKPavilion 42.2°Culet: NoneDepth 60.6%

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: $14,290 NZD|Low: $7,448 NZD|High: $14,543 NZD|Avg: $9,921 NZD|-1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4$7,448 NZD
Retailer 2$7,728 NZD
Retailer 5$8,202 NZD
Retailer 6$8,202 NZD
Retailer 7$8,449 NZD
Retailer 8$9,104 NZD
Retailer 10$9,378 NZD
Retailer 9$11,433 NZD
Retailer 3$13,064 NZD
NZ Jewellers$14,290 NZD

30 data points across 10 retailers

7 retailers$7,448 NZD to $14,290 NZD

A
Cheapest Retailer
-
$7,448 NZD
A
Retailer 2
-
$7,728 NZD
View
A
Retailer 3
-
$8,202 NZD
View
A
Retailer 4
-
$8,202 NZD
View
A
Retailer 5
-
$8,449 NZD
View
B+
Retailer 6
-
$13,064 NZD
View
Most Expensive
B
NZ Jewellers
32984088-0f29-4678-9a41-d7fb0f52f55f · Nov 3
$14,290 NZD
$7,922 USD
View
6 more retailers have this diamond
Prices start from $7,448 NZDSave up to $6,842 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
$7,448 NZD