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Heart|Natural|GIA

1.50ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6392508697

Certificate GIA 6392508697

Diamond specifications and retailer prices

From $9,387 NZD
As of October 31, 2026
Save $12,990 NZD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $22,377 NZD at Adiamor · As of November 5, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6392508697. Listed at 18 retailers as of October 31, 2026, with prices from $9,387 to $22,377, a $12,990 spread on the same certified stone. Adiamor lists it at $22,377. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6392508697
Dimensions6.60 × 7.70 × 4.76 mm
L/W Ratio1.17
Top View
6.60 mm7.70 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6392508697
Side View
Table 59.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 61.8%

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: $20,088 NZD|Low: $8,994 NZD|High: $20,088 NZD|Avg: $12,400 NZD|+97.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$9,387 NZD
Retailer 6$9,397 NZD
Retailer 9$10,760 NZD
Retailer 7$11,071 NZD
Retailer 8$11,926 NZD
Retailer 3$12,276 NZD
Retailer 2$12,321 NZD
Retailer 10$13,120 NZD
Retailer 4$18,007 NZD
Retailer 1$20,088 NZD

42 data points across 10 retailers

18 retailers$9,387 NZD to $22,377 NZD

A
Cheapest Retailer
-
$9,387 NZD
A
Retailer 2
-
$9,397 NZD
View
Retailer 3
-
$10,724 NZD
View
Price last confirmed 23 days ago
A
Retailer 4
-
$10,760 NZD
View
B+
Retailer 5
-
$11,071 NZD
View
B+
Retailer 6
-
$11,267 NZD
View
B+
Retailer 7
-
$11,926 NZD
View
Final sale: no returns
Retailer 8
-
$11,926 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$12,276 NZD
View
B+
Retailer 10
-
$12,920 NZD
View
B+
Retailer 11
-
$13,120 NZD
View
B+
Retailer 12
-
$13,210 NZD
View
B+
Retailer 13
-
$13,360 NZD
View
B+
Retailer 14
-
$14,907 NZD
View
B
Retailer 15
-
$18,007 NZD
View
B
Retailer 16
-
$20,088 NZD
View
B
Retailer 17
-
$21,609 NZD
View
Most Expensive
B
Adiamor
D-51261831 · Nov 5
$22,377 NZD
$12,405 USD
View
17 more retailers have this diamond
Prices start from $9,387 NZDSave up to $12,990 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
$9,387 NZD