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Heart|Natural|GIA

1.56ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2544738463

Certificate GIA 2544738463

Diamond specifications and retailer prices

From $6,086 NZD
As of November 6, 2026
Save $1,124 NZD (16%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,210 NZD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.56ct natural heart diamond

This 1.56ct 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 2544738463. Listed at 7 retailers as of November 5, 2026, with prices from $6,086 to $7,210, a $1,124 spread on the same certified stone. Blue Nile lists it at $7,210. 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

1.56
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2544738463
Dimensions7.26 × 8.06 × 4.71 mm
L/W Ratio1.11
Top View
7.26 mm8.06 mm1.56 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2544738463
Side View
Table 54.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,210 NZD|Low: $5,561 NZD|High: $8,679 NZD|Avg: $6,778 NZD|-16.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$6,086 NZD
Retailer 4$6,195 NZD
Retailer 7$6,297 NZD
Retailer 2$6,335 NZD
Retailer 6$6,498 NZD
Retailer 3$6,499 NZD
Blue Nile$7,210 NZD

42 data points across 7 retailers

7 retailers$6,086 NZD to $7,210 NZD

A
Cheapest Retailer
-
$6,086 NZD
A
Retailer 2
-
$6,195 NZD
View
Final sale: no returns
A
Retailer 3
-
$6,297 NZD
View
A
Retailer 4
-
$6,335 NZD
View
A
Retailer 5
-
$6,498 NZD
View
A
Retailer 6
-
$6,499 NZD
View
Most Expensive
A
Blue Nile
28420041 · Nov 5
$7,210 NZD
$3,997 USD
View
6 more retailers have this diamond
Prices start from $6,086 NZDSave up to $1,124 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
1.56ct Heart
$6,086 NZD