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Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5416959900

Certificate GIA 5416959900

Diamond specifications and retailer prices

From $9,832 NZD
₹526,865 INR
As of October 31, 2026
Save $13,612 NZD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $23,444 NZD at Adiamor · As of November 1, 2026
View at Adiamor

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 5416959900. Listed at 19 retailers as of October 31, 2026, with prices from $9,832 to $23,444, a $13,612 spread on the same certified stone. Adiamor lists it at $23,444. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5416959900
Dimensions7.33 × 7.77 × 4.12 mm
L/W Ratio1.06
Top View
7.33 mm7.77 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5416959900
Side View
Table 60.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 53.1%

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: Oct 31
Current: $14,787 NZD|Low: $9,807 NZD|High: $19,093 NZD|Avg: $13,422 NZD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$9,832 NZD
Retailer 7$9,851 NZD
Retailer 4$11,407 NZD
Retailer 9$12,496 NZD
Retailer 2$12,764 NZD
Retailer 8$13,052 NZD
Retailer 1$14,787 NZD
Retailer 5$16,633 NZD
Retailer 3$18,865 NZD

33 data points across 9 retailers

19 retailers$9,832 NZD to $23,444 NZD

A
Cheapest Retailer
-
$9,832 NZD
₹526,865 INR
B+
Retailer 2
-
$9,851 NZD
HK$43,300 HKD
View
Retailer 3
-
$11,241 NZD
SGD 8,547 SGD
View
Price last confirmed 18 days ago
B+
Retailer 4
-
$11,407 NZD
$6,418 USD
View
B+
Retailer 5
-
$11,455 NZD
$6,445 USD
View
B+
Retailer 6
-
$12,494 NZD
$7,030 USD
View
B+
Retailer 7
-
$12,496 NZD
$7,031 USD
View
B+
Retailer 8
-
$12,496 NZD
$7,031 USD
View
Final sale: no returns
B+
Retailer 9
-
$12,764 NZD
£5,655 GBP
View
Retailer 10
-
$13,052 NZD
A$11,298 AUD
View
Price last confirmed 11 days ago
B
Retailer 11
-
$13,538 NZD
$7,617 USD
View
B
Retailer 12
-
$13,746 NZD
$7,734 USD
View
B
Retailer 13
-
$13,828 NZD
$7,780 USD
View
B
Retailer 14
-
$14,787 NZD
€7,924 EUR
View
B
Retailer 15
-
$15,621 NZD
$8,789 USD
View
B
Retailer 16
-
$16,633 NZD
ZAR 151,185 ZAR
View
B
Retailer 17
-
$18,865 NZD
£8,358 GBP
View
B
Retailer 18
-
$22,641 NZD
$12,739 USD
View
Most Expensive
B
Adiamor
D-64681696 · Nov 1
$23,444 NZD
$13,191 USD
View
18 more retailers have this diamond
Prices start from $9,832 NZDSave up to $13,612 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
$9,832 NZD