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Round|Natural|GIA

0.73ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2558575050

Certificate GIA 2558575050

Diamond specifications and retailer prices

From $1,361 SGD
As of November 3, 2026
Save $1,620 SGD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,571 SGD at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 0.73ct natural round diamond

This 0.73ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2558575050. Listed at 17 retailers as of November 2, 2026, with a 119% 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

0.73
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2558575050
Dimensions5.72 × 5.75 × 3.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.72 mm5.75 mm0.73 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558575050
Side View
Table 57.0%Crown 34.5°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.7%

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 3
Current: $1,985 SGD|Low: $1,247 SGD|High: $3,540 SGD|Avg: $1,922 SGD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 4, 2026
Retailer 6$1,287 SGD
Retailer 17$1,361 SGD
Retailer 10$1,384 SGD
Retailer 5$1,412 SGD
Retailer 16$1,416 SGD
Retailer 4$1,475 SGD
Retailer 9$1,476 SGD
Retailer 3$1,592 SGD
Retailer 7$1,756 SGD
Retailer 11$1,830 SGD
Retailer 1$1,985 SGD
Retailer 2$2,127 SGD
Retailer 8$2,130 SGD
Retailer 18$2,230 SGD
Retailer 13$2,265 SGD
Retailer 14$2,431 SGD
Retailer 12$2,981 SGD
Retailer 15$3,531 SGD

28 data points across 18 retailers

17 retailers$1,361 SGD to $2,981 SGD

Retailer 1
-
$1,132 SGD
Price last confirmed 63 days ago
Retailer 2
-
$1,287 SGD
View
Price last confirmed 52 days ago
B+
Retailer 3
-
$1,361 SGD
View
Final sale: no returns
B+
Retailer 4
-
$1,412 SGD
View
B+
Retailer 5
-
$1,416 SGD
View
Retailer 6
-
$1,475 SGD
View
Price last confirmed 36 days ago
B+
Retailer 7
-
$1,592 SGD
View
B+
Retailer 8
-
$1,756 SGD
View
B+
Retailer 9
-
$1,830 SGD
View
B
Retailer 10
-
$1,985 SGD
View
Retailer 11
-
$2,127 SGD
View
Price last confirmed 33 days ago
B
Retailer 12
-
$2,230 SGD
View
B
Retailer 13
-
$2,265 SGD
View
B
Retailer 14
-
$2,431 SGD
View
B
Retailer 15
-
$2,981 SGD
View
Retailer 16
-
$3,531 SGD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
23158efa-4603-4e98-812b-f0ada46a9a1d · Sep 15
$3,571 SGD
$2,786 USD
View
Price last confirmed 52 days ago
16 more retailers have this diamond
Prices start from $1,361 SGDSave up to $1,620 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+
0.73ct Round
$1,361 SGD