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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 6522713397

Certificate GIA 6522713397

Diamond specifications and retailer prices

From $3,878 NZD
As of November 6, 2026
Save $6,698 NZD (63%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,576 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded H 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 6522713397. Listed at 23 retailers as of November 5, 2026, with prices from $3,878 to $10,576, a $6,698 spread on the same certified stone. NZ Jewellers lists it at $10,576. 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

1.20
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6522713397
Dimensions7.52 × 6.69 × 4.27 mm
L/W Ratio1.12
Top View
7.52 mm6.69 mm1.20 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6522713397
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 56.8%

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: Nov 6
Current: $10,576 NZD|Low: $3,878 NZD|High: $10,636 NZD|Avg: $5,983 NZD|-0.6%
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
Retailer 19
November 7, 2026
Retailer 7$3,878 NZD
Retailer 14$4,053 NZD
Retailer 9$4,668 NZD
Retailer 18$4,760 NZD
Retailer 19$4,815 NZD
Retailer 13$4,871 NZD
Retailer 15$4,907 NZD
Retailer 3$5,058 NZD
Retailer 11$5,087 NZD
Retailer 4$5,253 NZD
Retailer 8$5,314 NZD
Retailer 12$5,354 NZD
Retailer 16$5,404 NZD
Retailer 5$5,502 NZD
Retailer 6$5,837 NZD
Retailer 17$6,175 NZD
Retailer 2$8,814 NZD
Retailer 10$10,423 NZD
NZ Jewellers$10,576 NZD

22 data points across 19 retailers

23 retailers$3,878 NZD to $10,576 NZD

A
Cheapest Retailer
-
$3,878 NZD
A
Retailer 2
-
$4,053 NZD
View
B+
Retailer 3
-
$4,668 NZD
View
Final sale: no returns
B+
Retailer 4
-
$4,705 NZD
View
B+
Retailer 5
-
$4,760 NZD
View
B+
Retailer 6
-
$4,815 NZD
View
B+
Retailer 7
-
$4,871 NZD
View
B+
Retailer 8
-
$4,907 NZD
View
B+
Retailer 9
-
$5,053 NZD
View
B+
Retailer 10
-
$5,058 NZD
View
Retailer 11
-
$5,087 NZD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$5,253 NZD
View
B+
Retailer 13
-
$5,314 NZD
View
B+
Retailer 14
-
$5,354 NZD
View
B+
Retailer 15
-
$5,404 NZD
View
B+
Retailer 16
-
$5,502 NZD
View
B+
Retailer 17
-
$5,708 NZD
View
B+
Retailer 18
-
$5,837 NZD
View
Retailer 19
-
$5,949 NZD
View
Price last confirmed 31 days ago
B+
Retailer 20
-
$6,175 NZD
View
B
Retailer 21
-
$8,814 NZD
View
Retailer 22
-
$10,423 NZD
View
Price last confirmed 10 days ago
Most Expensive
B
NZ Jewellers
37a5c876-1c88-4918-9694-8a48a035d9d6 · Nov 5
$10,576 NZD
$5,863 USD
View
22 more retailers have this diamond
Prices start from $3,878 NZDSave up to $6,698 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
1.20ct Heart
$3,878 NZD