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Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 2537397933

Certificate GIA 2537397933

Diamond specifications and retailer prices

From $7,894 NZD
HK$34,700 HKD
As of November 1, 2026
Save $8,956 NZD (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $17,242 NZD at NZ Jewellers · As of October 18, 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 2537397933. Listed at 22 retailers as of October 28, 2026, with a 113% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2537397933
Dimensions8.06 × 7.13 × 4.69 mm
L/W Ratio1.13
Top View
8.06 mm7.13 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2537397933
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.2%

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 1
Current: $17,242 NZD|Low: $7,826 NZD|High: $17,242 NZD|Avg: $11,158 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
Retailer 17
Retailer 18
November 2, 2026
Retailer 15$7,894 NZD
Retailer 2$8,415 NZD
Retailer 17$8,791 NZD
Retailer 8$9,000 NZD
Retailer 13$9,062 NZD
Retailer 18$9,293 NZD
Retailer 6$9,514 NZD
Retailer 11$10,057 NZD
Retailer 5$10,308 NZD
Retailer 9$10,308 NZD
Retailer 10$10,390 NZD
Retailer 7$10,585 NZD
Retailer 3$10,813 NZD
Retailer 4$11,895 NZD
Retailer 14$12,666 NZD
Retailer 12$15,189 NZD
Retailer 16$16,850 NZD
NZ Jewellers$17,242 NZD

31 data points across 18 retailers

22 retailers$7,894 NZD to $16,850 NZD

A
Cheapest Retailer
-
$7,894 NZD
HK$34,700 HKD
A
Retailer 2
-
$8,415 NZD
₹450,921 INR
View
Retailer 3
-
$8,791 NZD
$4,946 USD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
$9,000 NZD
SGD 6,843 SGD
View
B+
Retailer 5
-
$9,062 NZD
$5,099 USD
View
B+
Retailer 6
-
$9,293 NZD
SGD 7,066 SGD
View
B+
Retailer 7
-
$9,514 NZD
$5,353 USD
View
Final sale: no returns
B+
Retailer 8
-
$9,661 NZD
$5,436 USD
View
B+
Retailer 9
-
$9,669 NZD
$5,440 USD
View
B+
Retailer 10
-
$10,057 NZD
£4,455 GBP
View
B+
Retailer 11
-
$10,106 NZD
A$8,748 AUD
View
Retailer 12
-
$10,308 NZD
$5,800 USD
View
Price last confirmed 17 days ago
Retailer 13
-
$10,308 NZD
$5,800 USD
View
Price last confirmed 15 days ago
Retailer 14
-
$10,308 NZD
$5,800 USD
View
Price last confirmed 16 days ago
Retailer 15
-
$10,390 NZD
A$8,994 AUD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
$10,585 NZD
$5,956 USD
View
B+
Retailer 17
-
$10,813 NZD
$6,084 USD
View
Retailer 18
-
$11,895 NZD
$6,693 USD
View
Price last confirmed 14 days ago
B+
Retailer 19
-
$12,666 NZD
ZAR 115,131 ZAR
View
B
Retailer 20
-
$15,189 NZD
£6,729 GBP
View
B
Retailer 21
-
$16,850 NZD
£7,465 GBP
View
Most Expensive
NZ Jewellers
3b4c4f03-34f2-4ccb-b429-4698c50eaa9b · Oct 18
$17,242 NZD
$9,701 USD
View
Price last confirmed 15 days ago
21 more retailers have this diamond
Prices start from $7,894 NZDSave up to $8,956 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
$7,894 NZD