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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 HK$23,404 HKD
$2,983 USD
As of November 1, 2026
Save HK$25,271 HKD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$48,674 HKD 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 HK$23,404 to HK$48,674, a HK$25,271 spread on the same certified stone. MOH London lists it at HK$48,674. 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: HK$48,674 HKD|Low: HK$23,404 HKD|High: HK$49,192 HKD|Avg: HK$31,313 HKD|-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 10HK$23,404 HKD
Retailer 7HK$23,851 HKD
Retailer 11HK$24,024 HKD
Retailer 8HK$24,989 HKD
Retailer 12HK$26,465 HKD
Retailer 2HK$28,774 HKD
Retailer 6HK$30,418 HKD
Retailer 3HK$32,952 HKD
Retailer 5HK$34,064 HKD
Retailer 4HK$36,253 HKD
Retailer 9HK$42,461 HKD
MOH LondonHK$48,674 HKD

20 data points across 12 retailers

11 retailersHK$23,404 HKD to HK$48,674 HKD

B+
Cheapest Retailer
-
HK$23,404 HKD
$2,983 USD
B+
Retailer 2
-
HK$23,851 HKD
$3,040 USD
View
B+
Retailer 3
-
HK$24,024 HKD
$3,062 USD
View
B+
Retailer 4
-
HK$24,989 HKD
$3,185 USD
View
B
Retailer 5
-
HK$26,465 HKD
$3,373 USD
View
B
Retailer 6
-
HK$28,774 HKD
£2,888 GBP
View
B
Retailer 7
-
HK$30,418 HKD
£3,053 GBP
View
Retailer 8
-
HK$32,952 HKD
$4,200 USD
View
Price last confirmed 10 days ago
B
Retailer 9
-
HK$34,064 HKD
€4,135 EUR
View
B
Retailer 10
-
HK$42,461 HKD
$5,412 USD
View
Most Expensive
B
MOH London
424A08179 · Nov 1
HK$48,674 HKD
£4,885 GBP
View
10 more retailers have this diamond
Prices start from HK$23,404 HKDSave up to HK$25,271 HKD

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
HK$23,404 HKD