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Heart|Natural|GIA

1.51ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1555675433

Certificate GIA 1555675433

Diamond specifications and retailer prices

From $5,710 NZD
HK$25,100 HKD
As of November 1, 2026
Save $7,607 NZD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $13,317 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555675433. Listed at 20 retailers as of November 1, 2026, with prices from $5,710 to $13,317, a $7,607 spread on the same certified stone. NZ Jewellers lists it at $13,317. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1555675433
Dimensions7.11 × 7.65 × 4.81 mm
L/W Ratio1.08
Top View
7.11 mm7.65 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1555675433
Side View
Table 54.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.9%

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 1
Current: $13,317 NZD|Low: $5,665 NZD|High: $13,826 NZD|Avg: $8,234 NZD|-3.7%
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
November 3, 2026
Retailer 16$5,710 NZD
Retailer 5$6,526 NZD
Retailer 9$6,725 NZD
Retailer 6$6,841 NZD
Retailer 10$7,056 NZD
Retailer 12$7,152 NZD
Retailer 8$7,202 NZD
Retailer 4$7,251 NZD
Retailer 3$7,644 NZD
Retailer 17$7,644 NZD
Retailer 19$7,644 NZD
Retailer 2$7,820 NZD
Retailer 7$8,085 NZD
Retailer 11$8,465 NZD
Retailer 13$8,648 NZD
Retailer 18$8,821 NZD
Retailer 15$9,396 NZD
Retailer 14$12,175 NZD
NZ Jewellers$13,317 NZD

28 data points across 19 retailers

20 retailers$5,710 NZD to $13,317 NZD

A
Cheapest Retailer
-
$5,710 NZD
HK$25,100 HKD
A
Retailer 2
-
$6,526 NZD
$3,672 USD
View
A
Retailer 3
-
$6,725 NZD
$3,784 USD
View
A
Retailer 4
-
$6,841 NZD
$3,849 USD
View
A
Retailer 5
-
$7,056 NZD
$3,970 USD
View
Final sale: no returns
A
Retailer 6
-
$7,152 NZD
£3,168 GBP
View
Retailer 7
-
$7,202 NZD
SGD 5,476 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$7,251 NZD
$4,080 USD
View
A
Retailer 9
-
$7,644 NZD
$4,301 USD
View
A
Retailer 10
-
$7,644 NZD
$4,301 USD
View
A
Retailer 11
-
$7,644 NZD
$4,301 USD
View
Retailer 12
-
$7,644 NZD
$4,301 USD
View
Price last confirmed 18 days ago
A
Retailer 13
-
$7,820 NZD
£3,464 GBP
View
A
Retailer 14
-
$8,085 NZD
$4,549 USD
View
Retailer 15
-
$8,465 NZD
A$7,327 AUD
View
Price last confirmed 24 days ago
A
Retailer 16
-
$8,648 NZD
€4,634 EUR
View
A
Retailer 17
-
$8,821 NZD
$4,963 USD
View
B+
Retailer 18
-
$9,396 NZD
ZAR 85,406 ZAR
View
B+
Retailer 19
-
$12,175 NZD
£5,394 GBP
View
Most Expensive
B+
NZ Jewellers
75921cc3-57e0-4f48-9a25-f38bd2c9e6a6 · Nov 3
$13,317 NZD
$7,493 USD
View
19 more retailers have this diamond
Prices start from $5,710 NZDSave up to $7,607 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
$5,710 NZD