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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5373297754

Certificate GIA 5373297754

Diamond specifications and retailer prices

From €1,615 EUR
HK$14,100 HKD
As of November 1, 2026
Save €2,918 EUR (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,534 EUR 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 €1,615 to €4,534, a €2,918 spread on the same certified stone. NZ Jewellers lists it at €4,534. 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: €4,534 EUR|Low: €1,421 EUR|High: €4,534 EUR|Avg: €2,244 EUR|+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€1,615 EUR
Retailer 7€1,902 EUR
Retailer 4€1,959 EUR
Retailer 5€2,001 EUR
Retailer 18€2,036 EUR
Retailer 2€2,115 EUR
Retailer 8€2,157 EUR
Retailer 9€2,169 EUR
Retailer 19€2,169 EUR
Retailer 10€2,243 EUR
Retailer 6€2,269 EUR
Retailer 3€2,294 EUR
Retailer 13€2,317 EUR
Retailer 11€2,368 EUR
Retailer 17€2,503 EUR
Retailer 16€2,666 EUR
Retailer 12€2,708 EUR
Retailer 14€3,799 EUR
NZ Jewellers€4,534 EUR

27 data points across 19 retailers

19 retailers€1,615 EUR to €4,534 EUR

B+
Cheapest Retailer
-
€1,615 EUR
HK$14,100 HKD
B+
Retailer 2
-
€1,902 EUR
$2,125 USD
View
B
Retailer 3
-
€1,959 EUR
$2,189 USD
View
B
Retailer 4
-
€2,001 EUR
$2,236 USD
View
Final sale: no returns
B
Retailer 5
-
€2,036 EUR
$2,275 USD
View
B
Retailer 6
-
€2,115 EUR
£1,861 GBP
View
B
Retailer 7
-
€2,157 EUR
$2,410 USD
View
B
Retailer 8
-
€2,169 EUR
$2,423 USD
View
B
Retailer 9
-
€2,169 EUR
$2,423 USD
View
B
Retailer 10
-
€2,243 EUR
SGD 3,387 SGD
View
B
Retailer 11
-
€2,269 EUR
$2,535 USD
View
B
Retailer 12
-
€2,294 EUR
$2,563 USD
View
B
Retailer 13
-
€2,317 EUR
£2,039 GBP
View
Retailer 14
-
€2,368 EUR
A$4,069 AUD
View
Price last confirmed 26 days ago
B
Retailer 15
-
€2,503 EUR
$2,796 USD
View
B
Retailer 16
-
€2,666 EUR
ZAR 48,112 ZAR
View
B
Retailer 17
-
€2,708 EUR
View
C
Retailer 18
-
€3,799 EUR
£3,342 GBP
View
Most Expensive
C
NZ Jewellers
6b5f2e47-1db7-4726-ab8a-80bb7a4a861b · Oct 30
€4,534 EUR
$5,065 USD
View
18 more retailers have this diamond
Prices start from €1,615 EURSave up to €2,918 EUR

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
€1,615 EUR