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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2557794801

Certificate GIA 2557794801

Diamond specifications and retailer prices

From $4,575 SGD
As of November 4, 2026
Save $7,687 SGD (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,262 SGD at Jared · As of November 4, 2026
View at Jared

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557794801. Listed at 18 retailers as of November 4, 2026, with prices from $4,575 to $12,262, a $7,687 spread on the same certified stone. Jared lists it at $12,262. 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

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557794801
Dimensions7.40 × 7.35 × 4.58 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cloud, Cavity
Top View
7.40 mm7.35 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557794801
Side View
Table 56.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $12,262 SGD|Low: $4,575 SGD|High: $12,262 SGD|Avg: $6,532 SGD
Jared
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
November 5, 2026
Retailer 13$4,575 SGD
Retailer 11$4,603 SGD
Retailer 12$4,827 SGD
Retailer 2$5,514 SGD
Retailer 3$5,713 SGD
Retailer 4$5,713 SGD
Retailer 5$5,713 SGD
Retailer 15$5,904 SGD
Retailer 14$6,507 SGD
Retailer 7$6,592 SGD
Retailer 9$7,069 SGD
Retailer 8$9,130 SGD
Retailer 6$9,954 SGD
Retailer 10$11,866 SGD
Jared$12,262 SGD

23 data points across 15 retailers

18 retailers$4,575 SGD to $12,262 SGD

Retailer 1
-
$3,788 SGD
Price last confirmed 82 days ago
A
Retailer 2
-
$4,575 SGD
View
A
Retailer 3
-
$4,603 SGD
View
A
Retailer 4
-
$4,827 SGD
View
Final sale: no returns
B+
Retailer 5
-
$5,514 SGD
View
Retailer 6
-
$5,713 SGD
View
Price last confirmed 8 days ago
Retailer 7
-
$5,713 SGD
View
Price last confirmed 8 days ago
Retailer 8
-
$5,713 SGD
View
Price last confirmed 8 days ago
Retailer 9
-
$5,904 SGD
View
Price last confirmed 7 days ago
Retailer 10
-
$6,003 SGD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$6,507 SGD
View
B+
Retailer 12
-
$6,592 SGD
View
B+
Retailer 13
-
$7,069 SGD
View
Retailer 14
-
$7,351 SGD
View
Price last confirmed 70 days ago
B
Retailer 15
-
$9,130 SGD
View
Retailer 16
-
$9,954 SGD
View
Price last confirmed 7 days ago
C
Retailer 17
-
$11,866 SGD
View
Most Expensive
B
Jared
160318552 · Nov 4
$12,262 SGD
$9,600 USD
View
17 more retailers have this diamond
Prices start from $4,575 SGDSave up to $7,687 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.

A
1.51ct Round
$4,575 SGD