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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2427733321

Certificate GIA 2427733321

Diamond specifications and retailer prices

From $2,363 NZD
As of November 6, 2026
Save $6,319 NZD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,682 NZD at Adiamor · As of November 5, 2026
View at Adiamor

About this 1ct natural heart diamond

This 1ct 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 2427733321. Listed at 18 retailers as of November 5, 2026, with prices from $2,363 to $8,682, a $6,319 spread on the same certified stone. Adiamor lists it at $8,682. 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2427733321
Dimensions6.24 × 6.74 × 3.72 mm
L/W Ratio1.08
Top View
6.24 mm6.74 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2427733321
Side View
Table 59.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 55.3%

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: $2,363 NZD|Low: $2,363 NZD|High: $5,976 NZD|Avg: $3,808 NZD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$2,363 NZD
Retailer 9$2,424 NZD
Retailer 11$3,052 NZD
Retailer 2$3,110 NZD
Retailer 5$3,371 NZD
Retailer 10$3,463 NZD
Retailer 6$3,660 NZD
Retailer 7$4,113 NZD
Retailer 3$4,398 NZD
Retailer 4$4,576 NZD
Retailer 8$5,890 NZD

34 data points across 11 retailers

18 retailers$2,363 NZD to $8,682 NZD

A
Cheapest Retailer
-
$2,363 NZD
A
Retailer 2
-
$2,424 NZD
View
B+
Retailer 3
-
$3,050 NZD
View
A
Retailer 4
-
$3,052 NZD
View
B+
Retailer 5
-
$3,110 NZD
View
Final sale: no returns
Retailer 6
-
$3,371 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$3,371 NZD
View
B+
Retailer 8
-
$3,371 NZD
View
B+
Retailer 9
-
$3,463 NZD
View
B+
Retailer 10
-
$3,527 NZD
View
B+
Retailer 11
-
$3,660 NZD
View
B+
Retailer 12
-
$3,889 NZD
View
B+
Retailer 13
-
$4,113 NZD
View
Retailer 14
-
$4,398 NZD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
$4,576 NZD
View
B
Retailer 16
-
$5,890 NZD
View
B
Retailer 17
-
$8,222 NZD
View
Most Expensive
B
Adiamor
D-51261821 · Nov 5
$8,682 NZD
$4,813 USD
View
17 more retailers have this diamond
Prices start from $2,363 NZDSave up to $6,319 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
1.00ct Heart
$2,363 NZD