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Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 3415071791

Certificate GIA 3415071791

Diamond specifications and retailer prices

From $14,142 AUD
$9,934 USD
As of November 1, 2026
Save $11,288 AUD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $25,430 AUD 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 3415071791. Listed at 20 retailers as of October 30, 2026, with prices from $14,142 to $25,430, a $11,288 spread on the same certified stone. NZ Jewellers lists it at $25,430. 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 3415071791
Dimensions6.97 × 7.93 × 4.47 mm
L/W Ratio1.14
Top View
6.97 mm7.93 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3415071791
Side View
Table 61.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 56.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $16,491 AUD|Low: $12,716 AUD|High: $24,117 AUD|Avg: $17,978 AUD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$15,258 AUD
Retailer 7$15,258 AUD
Retailer 8$15,385 AUD
Retailer 1$16,491 AUD
Retailer 4$16,580 AUD
Retailer 6$16,784 AUD
Retailer 9$20,073 AUD
Retailer 3$22,416 AUD
Retailer 2$23,829 AUD

44 data points across 9 retailers

20 retailers$14,142 AUD to $25,430 AUD

B
Cheapest Retailer
-
$14,142 AUD
$9,934 USD
B
Retailer 2
-
$14,156 AUD
$9,944 USD
View
B
Retailer 3
-
$14,588 AUD
CA$14,232 CAD
View
B
Retailer 4
-
$15,069 AUD
$10,585 USD
View
B
Retailer 5
-
$15,258 AUD
$10,718 USD
View
B
Retailer 6
-
$15,258 AUD
$10,718 USD
View
Final sale: no returns
B
Retailer 7
-
$15,385 AUD
$10,807 USD
View
B
Retailer 8
-
$16,491 AUD
£9,121 GBP
View
B
Retailer 9
-
$16,529 AUD
$11,611 USD
View
Retailer 10
-
$16,580 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$16,784 AUD
$11,790 USD
View
B
Retailer 12
-
$17,634 AUD
$12,387 USD
View
B
Retailer 13
-
$17,823 AUD
$12,520 USD
View
B
Retailer 14
-
$17,823 AUD
$12,520 USD
View
B
Retailer 15
-
$18,407 AUD
$12,930 USD
View
B
Retailer 16
-
$19,072 AUD
$13,397 USD
View
Retailer 17
-
$20,073 AUD
$14,100 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$22,416 AUD
ZAR 254,375 ZAR
View
B
Retailer 19
-
$23,829 AUD
£13,180 GBP
View
Most Expensive
B
NZ Jewellers
480885d3-ccc0-4dfd-93b7-f9f9dbf2a36d · Oct 30
$25,430 AUD
$17,863 USD
View
19 more retailers have this diamond
Prices start from $14,142 AUDSave up to $11,288 AUD

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.

B
1.50ct Heart
$14,142 AUD