CaratHunter
Plans
Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

ID • G/SI1 • GIA 6542596436

Certificate GIA 6542596436

Diamond specifications and retailer prices

From $9,107 NZD
$5,124 USD
As of November 1, 2026
Save $10,392 NZD (53%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $19,499 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 6542596436. Listed at 23 retailers as of October 30, 2026, with prices from $9,107 to $19,499, a $10,392 spread on the same certified stone. NZ Jewellers lists it at $19,499. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542596436
Dimensions6.88 × 7.94 × 4.57 mm
L/W Ratio1.15
Top View
6.88 mm7.94 mm1.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542596436
Side View
Table 55.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.6%

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 1
Current: $19,499 NZD|Low: $7,681 NZD|High: $19,499 NZD|Avg: $12,103 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 11$9,218 NZD
Retailer 12$9,748 NZD
Retailer 3$9,855 NZD
Retailer 7$10,420 NZD
Retailer 6$10,538 NZD
Retailer 4$10,562 NZD
Retailer 5$10,562 NZD
Retailer 14$10,562 NZD
Retailer 15$11,119 NZD
Retailer 2$11,183 NZD
Retailer 13$11,374 NZD
Retailer 16$12,187 NZD
Retailer 10$14,324 NZD
Retailer 8$16,897 NZD
Retailer 9$17,177 NZD
NZ Jewellers$19,499 NZD

40 data points across 16 retailers

23 retailers$9,107 NZD to $19,499 NZD

A
Cheapest Retailer
-
$9,107 NZD
$5,124 USD
A
Retailer 2
-
$9,212 NZD
$5,183 USD
View
B+
Retailer 3
-
$9,218 NZD
$5,186 USD
View
B+
Retailer 4
-
$9,332 NZD
$5,251 USD
View
B+
Retailer 5
-
$9,748 NZD
$5,485 USD
View
Final sale: no returns
B+
Retailer 6
-
$9,855 NZD
$5,545 USD
View
B+
Retailer 7
-
$10,420 NZD
$5,863 USD
View
Retailer 8
-
$10,538 NZD
$5,929 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$10,562 NZD
$5,943 USD
View
B+
Retailer 10
-
$10,562 NZD
$5,943 USD
View
B+
Retailer 11
-
$10,562 NZD
$5,943 USD
View
B+
Retailer 12
-
$11,183 NZD
£4,954 GBP
View
Retailer 13
-
$11,374 NZD
A$9,846 AUD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
$11,766 NZD
$6,620 USD
View
B+
Retailer 15
-
$11,766 NZD
$6,620 USD
View
B
Retailer 16
-
$11,939 NZD
$6,717 USD
View
B
Retailer 17
-
$12,157 NZD
$6,840 USD
View
Retailer 18
-
$12,187 NZD
$6,857 USD
View
Price last confirmed 56 days ago
B
Retailer 19
-
$12,187 NZD
$6,857 USD
View
B
Retailer 20
-
$14,324 NZD
ZAR 130,203 ZAR
View
B
Retailer 21
-
$16,897 NZD
$9,507 USD
View
B
Retailer 22
-
$17,177 NZD
£7,610 GBP
View
Most Expensive
B
NZ Jewellers
6f710149-8b88-4dd7-95b7-b358db1c13b1 · Oct 30
$19,499 NZD
$10,971 USD
View
22 more retailers have this diamond
Prices start from $9,107 NZDSave up to $10,392 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
$9,107 NZD