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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 $1,882 AUD
₹125,878 INR
As of November 2, 2026
Save $4,970 AUD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,852 AUD at Adiamor · As of November 1, 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 1, 2026, with prices from $1,882 to $6,852, a $4,970 spread on the same certified stone. Adiamor lists it at $6,852. 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 2
Current: $1,882 AUD|Low: $1,878 AUD|High: $4,717 AUD|Avg: $2,993 AUD|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 1$1,882 AUD
Retailer 7$1,913 AUD
Retailer 10$2,409 AUD
Retailer 11$2,454 AUD
Retailer 9$2,733 AUD
Retailer 3$2,783 AUD
Retailer 5$2,917 AUD
Retailer 8$3,270 AUD
Retailer 2$3,471 AUD
Retailer 4$3,632 AUD
Retailer 6$4,661 AUD

34 data points across 11 retailers

18 retailers$1,882 AUD to $6,852 AUD

A
Cheapest Retailer
-
$1,882 AUD
₹125,878 INR
A
Retailer 2
-
$1,913 AUD
HK$10,500 HKD
View
B+
Retailer 3
-
$2,407 AUD
$1,691 USD
View
A
Retailer 4
-
$2,409 AUD
$1,692 USD
View
B+
Retailer 5
-
$2,454 AUD
$1,724 USD
View
Final sale: no returns
B+
Retailer 6
-
$2,661 AUD
$1,869 USD
View
B+
Retailer 7
-
$2,661 AUD
$1,869 USD
View
B+
Retailer 8
-
$2,663 AUD
SGD 2,528 SGD
View
B+
Retailer 9
-
$2,733 AUD
$1,920 USD
View
B+
Retailer 10
-
$2,783 AUD
$1,955 USD
View
B+
Retailer 11
-
$2,917 AUD
£1,613 GBP
View
B+
Retailer 12
-
$3,069 AUD
$2,156 USD
View
B+
Retailer 13
-
$3,270 AUD
ZAR 37,104 ZAR
View
Retailer 14
-
$3,471 AUD
View
Price last confirmed 27 days ago
B+
Retailer 15
-
$3,632 AUD
€2,430 EUR
View
B
Retailer 16
-
$4,661 AUD
£2,578 GBP
View
B
Retailer 17
-
$6,489 AUD
$4,558 USD
View
Most Expensive
B
Adiamor
D-51261821 · Nov 1
$6,852 AUD
$4,813 USD
View
17 more retailers have this diamond
Prices start from $1,882 AUDSave up to $4,970 AUD

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
$1,882 AUD