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Heart|Natural|GIA

1.51ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 1458052289

Certificate GIA 1458052289

Diamond specifications and retailer prices

From $6,798 NZD
$3,825 USD
As of November 1, 2026
Save $5,506 NZD (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,304 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded J 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 1458052289. Listed at 10 retailers as of November 1, 2026, with prices from $6,798 to $12,304, a $5,506 spread on the same certified stone. MOH London lists it at $12,304. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1458052289
Dimensions6.58 × 6.58 × 4.50 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Needle
Top View
6.58 mm6.58 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1458052289
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.4%

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 1
Current: $12,304 NZD|Low: $5,846 NZD|High: $12,453 NZD|Avg: $8,115 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$6,798 NZD
Retailer 5$7,131 NZD
Retailer 7$7,141 NZD
Retailer 4$7,509 NZD
Retailer 2$7,637 NZD
Retailer 8$8,084 NZD
Retailer 3$8,741 NZD
MOH London$12,304 NZD

38 data points across 8 retailers

10 retailers$6,798 NZD to $12,304 NZD

B+
Cheapest Retailer
-
$6,798 NZD
$3,825 USD
B+
Retailer 2
-
$7,131 NZD
$4,012 USD
View
Final sale: no returns
B+
Retailer 3
-
$7,141 NZD
$4,018 USD
View
B+
Retailer 4
-
$7,388 NZD
$4,157 USD
View
B+
Retailer 5
-
$7,509 NZD
£3,327 GBP
View
B+
Retailer 6
-
$7,637 NZD
£3,384 GBP
View
B
Retailer 7
-
$7,989 NZD
$4,495 USD
View
B
Retailer 8
-
$8,084 NZD
A$6,998 AUD
View
B+
Retailer 9
-
$8,741 NZD
€4,684 EUR
View
Most Expensive
B
MOH London
1815B6933 · Nov 2
$12,304 NZD
£5,451 GBP
View
9 more retailers have this diamond
Prices start from $6,798 NZDSave up to $5,506 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
$6,798 NZD