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Heart|Natural|GIA

1.51ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 7558360360

Certificate GIA 7558360360

Diamond specifications and retailer prices

From $5,319 NZD
$2,993 USD
As of November 2, 2026
Save $9,727 NZD (65%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,047 NZD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558360360. Listed at 16 retailers as of October 30, 2026, with prices from $5,319 to $15,047, a $9,727 spread on the same certified stone. NZ Jewellers lists it at $15,047. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.8°
Pavilion angle38.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558360360
Dimensions6.86 × 7.72 × 4.60 mm
L/W Ratio1.13
Culet sizeNone
Top View
6.86 mm7.72 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558360360
Side View
Table 57.0%Crown 40.8°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 59.6%

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 2
Current: $15,047 NZD|Low: $4,391 NZD|High: $15,047 NZD|Avg: $6,399 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
November 2, 2026
Retailer 3$4,395 NZD
Retailer 7$4,752 NZD
Retailer 5$5,030 NZD
Retailer 10$5,174 NZD
Retailer 12$5,319 NZD
Retailer 6$5,520 NZD
Retailer 9$5,616 NZD
Retailer 4$5,958 NZD
Retailer 11$6,706 NZD
Retailer 18$7,532 NZD
Retailer 20$7,781 NZD
Retailer 19$7,973 NZD
Retailer 8$8,114 NZD
Retailer 14$8,367 NZD
Retailer 2$8,636 NZD
Retailer 15$8,636 NZD
Retailer 17$8,905 NZD
Retailer 13$9,965 NZD
Retailer 16$13,755 NZD
NZ Jewellers$15,047 NZD

20 data points across 20 retailers

16 retailers$5,319 NZD to $15,047 NZD

Retailer 1
-
$5,174 NZD
SGD 3,934 SGD
Price last confirmed 28 days ago
A
Retailer 2
-
$5,319 NZD
$2,993 USD
View
Retailer 3
-
$5,520 NZD
$3,106 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$5,616 NZD
$3,160 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$7,532 NZD
$4,238 USD
View
A
Retailer 6
-
$7,781 NZD
$4,378 USD
View
Retailer 7
-
$7,781 NZD
$4,378 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$7,973 NZD
$4,486 USD
View
Final sale: no returns
Retailer 9
-
$8,114 NZD
$4,565 USD
View
Price last confirmed 31 days ago
A
Retailer 10
-
$8,367 NZD
£3,707 GBP
View
B+
Retailer 11
-
$8,636 NZD
$4,859 USD
View
B+
Retailer 12
-
$8,636 NZD
$4,859 USD
View
B+
Retailer 13
-
$8,905 NZD
$5,010 USD
View
B+
Retailer 14
-
$9,965 NZD
$5,607 USD
View
B
Retailer 15
-
$13,755 NZD
£6,094 GBP
View
Most Expensive
B
NZ Jewellers
9690bdb0-31b5-4985-9fa7-538e91b7622a · Oct 30
$15,047 NZD
$8,466 USD
View
15 more retailers have this diamond
Prices start from $5,319 NZDSave up to $9,727 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
$5,319 NZD