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Round|Natural|GIA

1.24ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2554447601

Certificate GIA 2554447601

Diamond specifications and retailer prices

From $4,389 SGD
As of November 2, 2026
Save $4,138 SGD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,885 SGD at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.24ct natural round diamond

This 1.24ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554447601. Listed at 11 retailers as of November 2, 2026, with a 94% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.24
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2554447601
Dimensions6.80 × 6.84 × 4.29 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Needle
Top View
6.80 mm6.84 mm1.24 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554447601
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.9%

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 2
Current: $5,133 SGD|Low: $4,101 SGD|High: $8,574 SGD|Avg: $5,304 SGD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 9$4,101 SGD
Retailer 3$4,341 SGD
Retailer 7$4,389 SGD
Retailer 10$4,441 SGD
Retailer 8$4,620 SGD
Retailer 2$4,941 SGD
Retailer 1$5,133 SGD
Retailer 4$5,747 SGD
Retailer 11$5,772 SGD
Retailer 6$6,268 SGD
Retailer 5$8,528 SGD

16 data points across 11 retailers

11 retailers$4,389 SGD to $8,528 SGD

Retailer 1
-
$4,101 SGD
Price last confirmed 11 days ago
B+
Retailer 2
-
$4,389 SGD
View
B+
Retailer 3
-
$4,441 SGD
View
Retailer 4
-
$4,620 SGD
View
Price last confirmed 44 days ago
Retailer 5
-
$4,620 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$5,133 SGD
View
Retailer 7
-
$5,331 SGD
View
Price last confirmed 45 days ago
B+
Retailer 8
-
$5,747 SGD
View
B
Retailer 9
-
$6,268 SGD
View
B
Retailer 10
-
$8,528 SGD
View
Most Expensive
NZ Jewellers
1d80d027-7ee0-4cf9-ae4d-33344a7c8665 · Sep 21
$8,885 SGD
$6,933 USD
View
Price last confirmed 46 days ago
10 more retailers have this diamond
Prices start from $4,389 SGDSave up to $4,138 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+
1.24ct Round
$4,389 SGD