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Heart|Natural|GIA

1.51ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 2564117057

Certificate GIA 2564117057

Diamond specifications and retailer prices

From $5,852 NZD
As of November 6, 2026
Save $1,586 NZD (21%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,438 NZD at Jogia Diamonds · As of November 6, 2026
View at Jogia Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564117057. Listed at 6 retailers as of November 6, 2026, with prices from $5,852 to $7,438, a $1,586 spread on the same certified stone. Jogia Diamonds lists it at $7,438. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2564117057
Dimensions7.10 × 7.94 × 4.70 mm
L/W Ratio1.12
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.10 mm7.94 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564117057
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.2%

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 6
Current: $5,852 NZD|Low: $5,527 NZD|High: $7,376 NZD|Avg: $6,527 NZD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$5,852 NZD
Retailer 4$6,205 NZD
Retailer 3$6,370 NZD
Retailer 2$6,617 NZD
Retailer 5$6,646 NZD

45 data points across 5 retailers

6 retailers$5,852 NZD to $7,438 NZD

A
Cheapest Retailer
-
$5,852 NZD
A
Retailer 2
-
$6,205 NZD
View
A
Retailer 3
-
$6,370 NZD
View
Final sale: no returns
A
Retailer 4
-
$6,617 NZD
View
A
Retailer 5
-
$6,646 NZD
View
Most Expensive
A
Jogia Diamonds
J26897408 · Nov 6
$7,438 NZD
A$6,343 AUD
View
5 more retailers have this diamond
Prices start from $5,852 NZDSave up to $1,586 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
$5,852 NZD