CaratHunter
Plans
Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 2556323952

Certificate GIA 2556323952

Diamond specifications and retailer prices

From $7,250 NZD
As of November 6, 2026
Save $1,405 NZD (16%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,655 NZD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.5ct natural heart diamond

This 1.5ct 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 2556323952. Listed at 7 retailers as of November 5, 2026, with prices from $7,250 to $8,655, a $1,405 spread on the same certified stone. Blue Nile lists it at $8,655. 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

1.50
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556323952
Dimensions7.06 × 7.94 × 4.70 mm
L/W Ratio1.12
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle
Top View
7.06 mm7.94 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556323952
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.1%

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: $8,655 NZD|Low: $6,718 NZD|High: $9,893 NZD|Avg: $8,116 NZD|-12.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$7,250 NZD
Retailer 4$7,499 NZD
Retailer 2$7,551 NZD
Retailer 7$7,634 NZD
Retailer 3$7,791 NZD
Retailer 6$7,834 NZD
Blue Nile$8,655 NZD

42 data points across 7 retailers

7 retailers$7,250 NZD to $8,655 NZD

A
Cheapest Retailer
-
$7,250 NZD
A
Retailer 2
-
$7,499 NZD
View
Final sale: no returns
A
Retailer 3
-
$7,551 NZD
View
A
Retailer 4
-
$7,634 NZD
View
A
Retailer 5
-
$7,791 NZD
View
A
Retailer 6
-
$7,834 NZD
View
Most Expensive
A
Blue Nile
29193047 · Nov 5
$8,655 NZD
$4,798 USD
View
6 more retailers have this diamond
Prices start from $7,250 NZDSave up to $1,405 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
1.50ct Heart
$7,250 NZD