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Heart|Natural|GIA

1.20ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6422090307

Certificate GIA 6422090307

Diamond specifications and retailer prices

From $3,793 NZD
₹203,247 INR
As of November 2, 2026
Save $6,759 NZD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,552 NZD at NZ Jewellers · As of November 3, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6422090307. Listed at 11 retailers as of November 2, 2026, with prices from $3,793 to $10,552, a $6,759 spread on the same certified stone. NZ Jewellers lists it at $10,552. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6422090307
Dimensions6.12 × 7.36 × 4.30 mm
L/W Ratio1.20
Top View
6.12 mm7.36 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422090307
Side View
Table 58.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 58.4%

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 2
Current: $10,552 NZD|Low: $3,793 NZD|High: $10,552 NZD|Avg: $6,123 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
November 3, 2026
Retailer 8$3,793 NZD
Retailer 6$4,425 NZD
Retailer 12$4,521 NZD
Retailer 4$4,658 NZD
Retailer 9$5,020 NZD
Retailer 3$5,048 NZD
Retailer 11$5,048 NZD
Retailer 5$5,241 NZD
Retailer 2$5,351 NZD
Retailer 7$5,824 NZD
Retailer 10$8,891 NZD
NZ Jewellers$10,552 NZD

39 data points across 12 retailers

11 retailers$3,793 NZD to $10,552 NZD

A
Cheapest Retailer
-
$3,793 NZD
₹203,247 INR
B+
Retailer 2
-
$4,425 NZD
$2,490 USD
View
B+
Retailer 3
-
$4,521 NZD
$2,544 USD
View
B+
Retailer 4
-
$5,020 NZD
£2,224 GBP
View
Retailer 5
-
$5,048 NZD
$2,840 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
$5,048 NZD
$2,840 USD
View
B+
Retailer 7
-
$5,241 NZD
$2,949 USD
View
B+
Retailer 8
-
$5,351 NZD
£2,371 GBP
View
B
Retailer 9
-
$5,824 NZD
$3,277 USD
View
B
Retailer 10
-
$8,891 NZD
£3,939 GBP
View
Most Expensive
B
NZ Jewellers
8ce1fcd6-cc2f-4563-9968-b62cf6108b04 · Nov 3
$10,552 NZD
$5,937 USD
View
10 more retailers have this diamond
Prices start from $3,793 NZDSave up to $6,759 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
$3,793 NZD