CaratHunter
Plans
Heart|Natural|GIA

1.23ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6237766192

Certificate GIA 6237766192

Diamond specifications and retailer prices

From $3,813 SGD
$2,983 USD
As of November 1, 2026
Save $4,118 SGD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,931 SGD 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 $3,813 to $7,931, a $4,118 spread on the same certified stone. MOH London lists it at $7,931. 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: $7,931 SGD|Low: $3,813 SGD|High: $8,016 SGD|Avg: $5,102 SGD|-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$3,813 SGD
Retailer 7$3,886 SGD
Retailer 11$3,914 SGD
Retailer 8$4,072 SGD
Retailer 12$4,312 SGD
Retailer 2$4,688 SGD
Retailer 6$4,956 SGD
Retailer 3$5,369 SGD
Retailer 5$5,550 SGD
Retailer 4$5,907 SGD
Retailer 9$6,919 SGD
MOH London$7,931 SGD

20 data points across 12 retailers

11 retailers$3,813 SGD to $7,931 SGD

B+
Cheapest Retailer
-
$3,813 SGD
$2,983 USD
B+
Retailer 2
-
$3,886 SGD
$3,040 USD
View
B+
Retailer 3
-
$3,914 SGD
$3,062 USD
View
B+
Retailer 4
-
$4,072 SGD
$3,185 USD
View
B
Retailer 5
-
$4,312 SGD
$3,373 USD
View
B
Retailer 6
-
$4,688 SGD
£2,888 GBP
View
B
Retailer 7
-
$4,956 SGD
£3,053 GBP
View
Retailer 8
-
$5,369 SGD
$4,200 USD
View
Price last confirmed 10 days ago
B
Retailer 9
-
$5,550 SGD
€4,135 EUR
View
B
Retailer 10
-
$6,919 SGD
$5,412 USD
View
Most Expensive
B
MOH London
424A08179 · Nov 1
$7,931 SGD
£4,885 GBP
View
10 more retailers have this diamond
Prices start from $3,813 SGDSave up to $4,118 SGD

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
$3,813 SGD