Round|Natural|GIA

1.24ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2554447601

Certificate GIA 2554447601

Diamond specifications and retailer prices

From $3,425 USD
As of November 2, 2026
Save $3,229 USD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,933 USD 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
Color
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: $4,005 USD|Low: $3,200 USD|High: $6,690 USD|Avg: $4,138 USD|+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$3,200 USD
Retailer 3$3,387 USD
Retailer 7$3,425 USD
Retailer 10$3,465 USD
Retailer 8$3,605 USD
Retailer 2$3,855 USD
Retailer 1$4,005 USD
Retailer 4$4,484 USD
Retailer 11$4,504 USD
Retailer 6$4,891 USD
Retailer 5$6,654 USD

16 data points across 11 retailers

11 retailers$3,425 USD to $6,654 USD

Retailer 1
-
$3,200 USD
Price last confirmed 11 days ago
B+
Retailer 2
-
$3,425 USD
View
B+
Retailer 3
-
$3,465 USD
View
Retailer 4
-
$3,605 USD
View
Price last confirmed 44 days ago
Retailer 5
-
$3,605 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,005 USD
View
Retailer 7
-
$4,160 USD
View
Price last confirmed 45 days ago
B+
Retailer 8
-
$4,484 USD
View
B
Retailer 9
-
$4,891 USD
View
B
Retailer 10
-
$6,654 USD
View
Most Expensive
NZ Jewellers
1d80d027-7ee0-4cf9-ae4d-33344a7c8665 · Sep 21
$6,933 USD
View
Price last confirmed 45 days ago
10 more retailers have this diamond
Prices start from $3,425 USDSave up to $3,229 USD

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
$3,425 USD