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Heart|Natural|GIA

1.51ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 7443324770

Certificate GIA 7443324770

Diamond specifications and retailer prices

From $4,421 NZD
$2,488 USD
As of October 31, 2026
Save $5,267 NZD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,688 NZD at MOH London · As of October 29, 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 7443324770. Listed at 18 retailers as of October 29, 2026, with prices from $4,421 to $9,688, a $5,267 spread on the same certified stone. MOH London lists it at $9,688. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7443324770
Dimensions6.66 × 6.48 × 4.39 mm
L/W Ratio1.03
Top View
6.66 mm6.48 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7443324770
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.7%

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: Oct 31
Current: $9,688 NZD|Low: $3,779 NZD|High: $9,753 NZD|Avg: $5,786 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$4,534 NZD
Retailer 7$4,657 NZD
Retailer 5$4,818 NZD
Retailer 6$5,220 NZD
Retailer 3$6,021 NZD
Retailer 2$6,339 NZD
MOH London$9,688 NZD

43 data points across 7 retailers

18 retailers$4,421 NZD to $9,688 NZD

A
Cheapest Retailer
-
$4,421 NZD
$2,488 USD
A
Retailer 2
-
$4,534 NZD
$2,551 USD
View
A
Retailer 3
-
$4,617 NZD
$2,598 USD
View
A
Retailer 4
-
$4,657 NZD
$2,620 USD
View
A
Retailer 5
-
$4,674 NZD
$2,630 USD
View
A
Retailer 6
-
$4,818 NZD
$2,711 USD
View
Final sale: no returns
A
Retailer 7
-
$5,220 NZD
$2,937 USD
View
Retailer 8
-
$5,223 NZD
$2,939 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$5,269 NZD
$2,965 USD
View
B+
Retailer 10
-
$5,668 NZD
$3,189 USD
View
B+
Retailer 11
-
$5,829 NZD
$3,280 USD
View
B+
Retailer 12
-
$5,936 NZD
$3,340 USD
View
B+
Retailer 13
-
$5,936 NZD
$3,340 USD
View
B+
Retailer 14
-
$6,021 NZD
£2,668 GBP
View
B+
Retailer 15
-
$6,132 NZD
$3,450 USD
View
B+
Retailer 16
-
$6,339 NZD
€3,397 EUR
View
B
Retailer 17
-
$8,313 NZD
$4,677 USD
View
Most Expensive
B
MOH London
FE14F1F2E · Oct 29
$9,688 NZD
£4,292 GBP
View
17 more retailers have this diamond
Prices start from $4,421 NZDSave up to $5,267 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
$4,421 NZD