Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5373297754

Certificate GIA 5373297754

Diamond specifications and retailer prices

From $1,805 USD
HK$14,100 HKD
As of November 1, 2026
Save $3,260 USD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,065 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 5373297754. Listed at 19 retailers as of October 30, 2026, with prices from $1,805 to $5,065, a $3,260 spread on the same certified stone. NZ Jewellers lists it at $5,065. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5373297754
Dimensions6.23 × 6.76 × 4.02 mm
L/W Ratio1.09
Top View
6.23 mm6.76 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5373297754
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 59.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,065 USD|Low: $1,587 USD|High: $5,065 USD|Avg: $2,505 USD|+12.6%
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 2, 2026
Retailer 15$1,805 USD
Retailer 7$2,125 USD
Retailer 4$2,189 USD
Retailer 5$2,236 USD
Retailer 18$2,275 USD
Retailer 13$2,363 USD
Retailer 8$2,410 USD
Retailer 9$2,423 USD
Retailer 19$2,423 USD
Retailer 10$2,506 USD
Retailer 6$2,535 USD
Retailer 3$2,563 USD
Retailer 12$2,589 USD
Retailer 11$2,645 USD
Retailer 17$2,796 USD
Retailer 16$2,978 USD
Retailer 2$3,025 USD
Retailer 14$4,244 USD
NZ Jewellers$5,065 USD

27 data points across 19 retailers

19 retailers$1,805 USD to $5,065 USD

B+
Cheapest Retailer
-
$1,805 USD
HK$14,100 HKD
B+
Retailer 2
-
$2,125 USD
View
B
Retailer 3
-
$2,189 USD
View
B
Retailer 4
-
$2,236 USD
View
Final sale: no returns
B
Retailer 5
-
$2,275 USD
View
B
Retailer 6
-
$2,363 USD
£1,861 GBP
View
B
Retailer 7
-
$2,410 USD
View
B
Retailer 8
-
$2,423 USD
View
B
Retailer 9
-
$2,423 USD
View
B
Retailer 10
-
$2,506 USD
SGD 3,387 SGD
View
B
Retailer 11
-
$2,535 USD
View
B
Retailer 12
-
$2,563 USD
View
B
Retailer 13
-
$2,589 USD
£2,039 GBP
View
Retailer 14
-
$2,645 USD
A$4,069 AUD
View
Price last confirmed 26 days ago
B
Retailer 15
-
$2,796 USD
View
B
Retailer 16
-
$2,978 USD
ZAR 48,112 ZAR
View
B
Retailer 17
-
$3,025 USD
€2,881 EUR
View
C
Retailer 18
-
$4,244 USD
£3,342 GBP
View
Most Expensive
C
NZ Jewellers
6b5f2e47-1db7-4726-ab8a-80bb7a4a861b · Oct 30
$5,065 USD
View
18 more retailers have this diamond
Prices start from $1,805 USDSave up to $3,260 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.

B+
1.00ct Heart
$1,805 USD