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Heart|Natural|GIA

1.51ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5536874543

Certificate GIA 5536874543

Diamond specifications and retailer prices

From $5,479 NZD
₹293,621 INR
As of November 2, 2026
Save $7,097 NZD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,576 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5536874543. Listed at 19 retailers as of October 30, 2026, with prices from $5,479 to $12,576, a $7,097 spread on the same certified stone. NZ Jewellers lists it at $12,576. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5536874543
Dimensions7.80 × 6.95 × 4.69 mm
L/W Ratio1.12
Top View
7.80 mm6.95 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536874543
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 60.0%

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: $12,576 NZD|Low: $5,468 NZD|High: $12,576 NZD|Avg: $7,698 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 13$5,479 NZD
Retailer 8$5,735 NZD
Retailer 17$6,253 NZD
Retailer 10$6,350 NZD
Retailer 3$6,734 NZD
Retailer 14$6,801 NZD
Retailer 5$6,878 NZD
Retailer 6$7,218 NZD
Retailer 9$7,218 NZD
Retailer 19$7,218 NZD
Retailer 15$7,384 NZD
Retailer 7$7,480 NZD
Retailer 12$7,639 NZD
Retailer 18$7,655 NZD
Retailer 20$7,962 NZD
Retailer 11$7,983 NZD
Retailer 4$8,328 NZD
Retailer 16$8,872 NZD
Retailer 2$12,071 NZD
NZ Jewellers$12,576 NZD

24 data points across 20 retailers

19 retailers$5,479 NZD to $12,576 NZD

A
Cheapest Retailer
-
$5,479 NZD
₹293,621 INR
A
Retailer 2
-
$5,735 NZD
$3,227 USD
View
Final sale: no returns
A
Retailer 3
-
$6,164 NZD
$3,468 USD
View
A
Retailer 4
-
$6,253 NZD
$3,518 USD
View
A
Retailer 5
-
$6,350 NZD
$3,573 USD
View
A
Retailer 6
-
$6,734 NZD
$3,789 USD
View
A
Retailer 7
-
$6,801 NZD
£3,013 GBP
View
A
Retailer 8
-
$6,878 NZD
$3,870 USD
View
A
Retailer 9
-
$7,218 NZD
$4,061 USD
View
A
Retailer 10
-
$7,218 NZD
$4,061 USD
View
A
Retailer 11
-
$7,218 NZD
$4,061 USD
View
A
Retailer 12
-
$7,384 NZD
£3,271 GBP
View
A
Retailer 13
-
$7,480 NZD
$4,209 USD
View
B+
Retailer 14
-
$7,655 NZD
$4,307 USD
View
B+
Retailer 15
-
$7,962 NZD
$4,480 USD
View
B+
Retailer 16
-
$8,328 NZD
$4,686 USD
View
B+
Retailer 17
-
$8,872 NZD
ZAR 80,648 ZAR
View
B
Retailer 18
-
$12,071 NZD
£5,348 GBP
View
Most Expensive
B
NZ Jewellers
9d7b34f9-47f0-45e8-b228-c6f318744f89 · Oct 30
$12,576 NZD
$7,076 USD
View
18 more retailers have this diamond
Prices start from $5,479 NZDSave up to $7,097 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
$5,479 NZD