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Heart|Natural|GIA

1.23ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6237766192

Certificate GIA 6237766192

Diamond specifications and retailer prices

From €2,660 EUR
$2,983 USD
As of November 1, 2026
Save €2,872 EUR (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,531 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.23ct natural heart diamond

This 1.23ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237766192. Listed at 11 retailers as of November 1, 2026, with prices from €2,660 to €5,531, a €2,872 spread on the same certified stone. MOH London lists it at €5,531. 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

1.23
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6237766192
Dimensions7.32 × 5.50 × 3.71 mm
L/W Ratio1.33
Culet sizeNone
Top View
7.32 mm5.50 mm1.23 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6237766192
Side View
Table 70.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.5%

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: €5,531 EUR|Low: €2,660 EUR|High: €5,590 EUR|Avg: €3,558 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10€2,660 EUR
Retailer 7€2,710 EUR
Retailer 11€2,730 EUR
Retailer 8€2,840 EUR
Retailer 12€3,007 EUR
Retailer 2€3,270 EUR
Retailer 6€3,457 EUR
Retailer 3€3,745 EUR
Retailer 5€3,871 EUR
Retailer 4€4,120 EUR
Retailer 9€4,825 EUR
MOH London€5,531 EUR

20 data points across 12 retailers

11 retailers€2,660 EUR to €5,531 EUR

B+
Cheapest Retailer
-
€2,660 EUR
$2,983 USD
B+
Retailer 2
-
€2,710 EUR
$3,040 USD
View
B+
Retailer 3
-
€2,730 EUR
$3,062 USD
View
B+
Retailer 4
-
€2,840 EUR
$3,185 USD
View
B
Retailer 5
-
€3,007 EUR
$3,373 USD
View
B
Retailer 6
-
€3,270 EUR
£2,888 GBP
View
B
Retailer 7
-
€3,457 EUR
£3,053 GBP
View
Retailer 8
-
€3,745 EUR
$4,200 USD
View
Price last confirmed 11 days ago
B
Retailer 9
-
€3,871 EUR
View
Retailer 10
-
€4,825 EUR
$5,412 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
424A08179 · Nov 2
€5,531 EUR
£4,885 GBP
View
10 more retailers have this diamond
Prices start from €2,660 EURSave up to €2,872 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+
1.23ct Heart
€2,660 EUR