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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 $1,322 USD
₹125,919 INR
As of November 1, 2026
Save $3,491 USD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,813 USD 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 $1,322 to $4,813, a $3,491 spread on the same certified stone. Adiamor lists it at $4,813. 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
Color
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 1
Current: $2,552 USD|Low: $1,319 USD|High: $3,313 USD|Avg: $2,104 USD|+1.3%
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 5$1,322 USD
Retailer 7$1,344 USD
Retailer 10$1,692 USD
Retailer 11$1,724 USD
Retailer 9$1,920 USD
Retailer 3$1,955 USD
Retailer 4$2,049 USD
Retailer 8$2,297 USD
Retailer 2$2,438 USD
Retailer 1$2,552 USD
Retailer 6$3,274 USD

34 data points across 11 retailers

18 retailers$1,322 USD to $4,813 USD

A
Cheapest Retailer
-
$1,322 USD
₹125,919 INR
A
Retailer 2
-
$1,344 USD
HK$10,500 HKD
View
B+
Retailer 3
-
$1,691 USD
View
A
Retailer 4
-
$1,692 USD
View
B+
Retailer 5
-
$1,724 USD
View
Final sale: no returns
B+
Retailer 6
-
$1,869 USD
View
B+
Retailer 7
-
$1,869 USD
View
B+
Retailer 8
-
$1,871 USD
SGD 2,528 SGD
View
B+
Retailer 9
-
$1,920 USD
View
B+
Retailer 10
-
$1,955 USD
View
B+
Retailer 11
-
$2,049 USD
£1,613 GBP
View
B+
Retailer 12
-
$2,156 USD
View
B+
Retailer 13
-
$2,297 USD
ZAR 37,104 ZAR
View
Retailer 14
-
$2,438 USD
A$3,751 AUD
View
Price last confirmed 27 days ago
B+
Retailer 15
-
$2,552 USD
€2,430 EUR
View
B
Retailer 16
-
$3,274 USD
£2,578 GBP
View
B
Retailer 17
-
$4,558 USD
View
Most Expensive
B
Adiamor
D-51261821 · Nov 1
$4,813 USD
View
17 more retailers have this diamond
Prices start from $1,322 USDSave up to $3,491 USD

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
$1,322 USD