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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 $17,656 NZD
$9,934 USD
As of November 1, 2026
Save $14,092 NZD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $31,748 NZD at NZ Jewellers · As of November 3, 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 November 1, 2026, with prices from $17,656 to $31,748, a $14,092 spread on the same certified stone. NZ Jewellers lists it at $31,748. 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

How it works →
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: $20,589 NZD|Low: $15,875 NZD|High: $30,108 NZD|Avg: $22,456 NZD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 5$19,049 NZD
Retailer 7$19,049 NZD
Retailer 8$19,207 NZD
Retailer 1$20,589 NZD
Retailer 4$20,699 NZD
Retailer 6$20,954 NZD
Retailer 9$25,060 NZD
Retailer 3$27,985 NZD
Retailer 2$29,750 NZD

44 data points across 9 retailers

20 retailers$17,656 NZD to $31,748 NZD

B
Cheapest Retailer
-
$17,656 NZD
$9,934 USD
B
Retailer 2
-
$17,673 NZD
$9,944 USD
View
B
Retailer 3
-
$18,213 NZD
CA$14,232 CAD
View
B
Retailer 4
-
$18,813 NZD
$10,585 USD
View
B
Retailer 5
-
$19,049 NZD
$10,718 USD
View
B
Retailer 6
-
$19,049 NZD
$10,718 USD
View
Final sale: no returns
B
Retailer 7
-
$19,207 NZD
$10,807 USD
View
B
Retailer 8
-
$20,589 NZD
£9,121 GBP
View
B
Retailer 9
-
$20,636 NZD
$11,611 USD
View
Retailer 10
-
$20,699 NZD
A$17,918 AUD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$20,954 NZD
$11,790 USD
View
B
Retailer 12
-
$22,015 NZD
$12,387 USD
View
B
Retailer 13
-
$22,252 NZD
$12,520 USD
View
B
Retailer 14
-
$22,252 NZD
$12,520 USD
View
B
Retailer 15
-
$22,980 NZD
$12,930 USD
View
B
Retailer 16
-
$23,810 NZD
$13,397 USD
View
Retailer 17
-
$25,060 NZD
$14,100 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
$27,985 NZD
ZAR 254,375 ZAR
View
B
Retailer 19
-
$29,750 NZD
£13,180 GBP
View
Most Expensive
B
NZ Jewellers
480885d3-ccc0-4dfd-93b7-f9f9dbf2a36d · Nov 3
$31,748 NZD
$17,863 USD
View
19 more retailers have this diamond
Prices start from $17,656 NZDSave up to $14,092 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.

B
1.50ct Heart
$17,656 NZD