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Heart|Natural|GIA

1.51ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5232493398

Certificate GIA 5232493398

Diamond specifications and retailer prices

From $13,711 NZD
As of November 5, 2026
Save $15,757 NZD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $29,469 NZD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232493398. Listed at 17 retailers as of November 5, 2026, with prices from $13,711 to $29,469, a $15,757 spread on the same certified stone. NZ Jewellers lists it at $29,469. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5232493398
Dimensions7.25 × 8.28 × 4.51 mm
L/W Ratio1.14
Top View
7.25 mm8.28 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232493398
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 54.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $29,469 NZD|Low: $13,796 NZD|High: $29,469 NZD|Avg: $18,628 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
November 6, 2026
Retailer 10$13,796 NZD
Retailer 3$14,734 NZD
Retailer 12$14,857 NZD
Retailer 2$15,183 NZD
Retailer 13$15,963 NZD
Retailer 11$16,208 NZD
Retailer 9$16,278 NZD
Retailer 7$16,293 NZD
Retailer 4$18,418 NZD
Retailer 5$19,397 NZD
Retailer 6$21,495 NZD
Retailer 8$24,490 NZD
NZ Jewellers$29,469 NZD

45 data points across 13 retailers

17 retailers$13,711 NZD to $29,469 NZD

B+
Cheapest Retailer
-
$13,711 NZD
B+
Retailer 2
-
$13,796 NZD
View
B
Retailer 3
-
$14,480 NZD
View
B
Retailer 4
-
$14,657 NZD
View
Retailer 5
-
$14,734 NZD
View
Price last confirmed 9 days ago
Retailer 6
-
$14,857 NZD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$15,183 NZD
View
B
Retailer 8
-
$15,963 NZD
View
B
Retailer 9
-
$16,208 NZD
View
Retailer 10
-
$16,278 NZD
View
Price last confirmed 15 days ago
B
Retailer 11
-
$16,293 NZD
View
B
Retailer 12
-
$16,937 NZD
View
B
Retailer 13
-
$18,418 NZD
View
Retailer 14
-
$19,397 NZD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$21,495 NZD
View
B
Retailer 16
-
$24,490 NZD
View
Most Expensive
B
NZ Jewellers
63285d76-08ad-4533-9be1-d0263cd1875d · Nov 5
$29,469 NZD
$16,336 USD
View
16 more retailers have this diamond
Prices start from $13,711 NZDSave up to $15,757 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.

B+
1.51ct Heart
$13,711 NZD