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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 €2,670 EUR
$2,983 USD
As of November 1, 2026
Save €2,883 EUR (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,553 EUR at MOH London · As of November 1, 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 €2,670 to €5,553, a €2,883 spread on the same certified stone. MOH London lists it at €5,553. 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
Color
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: €5,553 EUR|Low: €2,670 EUR|High: €5,612 EUR|Avg: €3,572 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€2,670 EUR
Retailer 7€2,721 EUR
Retailer 11€2,741 EUR
Retailer 8€2,851 EUR
Retailer 12€3,019 EUR
Retailer 2€3,283 EUR
Retailer 6€3,470 EUR
Retailer 3€3,759 EUR
Retailer 5€3,886 EUR
Retailer 4€4,136 EUR
Retailer 9€4,844 EUR
MOH London€5,553 EUR

20 data points across 12 retailers

11 retailers€2,670 EUR to €5,553 EUR

B+
Cheapest Retailer
-
€2,670 EUR
$2,983 USD
B+
Retailer 2
-
€2,721 EUR
$3,040 USD
View
B+
Retailer 3
-
€2,741 EUR
$3,062 USD
View
B+
Retailer 4
-
€2,851 EUR
$3,185 USD
View
B
Retailer 5
-
€3,019 EUR
$3,373 USD
View
B
Retailer 6
-
€3,283 EUR
£2,888 GBP
View
B
Retailer 7
-
€3,470 EUR
£3,053 GBP
View
Retailer 8
-
€3,759 EUR
$4,200 USD
View
Price last confirmed 10 days ago
B
Retailer 9
-
€3,886 EUR
View
B
Retailer 10
-
€4,844 EUR
$5,412 USD
View
Most Expensive
B
MOH London
424A08179 · Nov 1
€5,553 EUR
£4,885 GBP
View
10 more retailers have this diamond
Prices start from €2,670 EURSave up to €2,883 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
€2,670 EUR