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Round|Natural|GIA

1.25ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6415581706

Certificate GIA 6415581706

Diamond specifications and retailer prices

From $2,044 SGD
$1,599 USD
As of October 31, 2026
Save $2,294 SGD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,338 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6415581706. Listed at 10 retailers as of October 31, 2026, with prices from $2,044 to $4,338, a $2,294 spread on the same certified stone. MOH London lists it at $4,338. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.25
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle37°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6415581706
Dimensions6.71 × 6.63 × 4.30 mm
L/W Ratio1.01
Top View
6.71 mm6.63 mm1.25 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6415581706
Side View
Table 58.0%Crown 37°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.4%

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: Oct 31
Current: $4,338 SGD|Low: $2,044 SGD|High: $4,588 SGD|Avg: $2,949 SGD|-4.4%
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 1, 2026
Retailer 5$2,044 SGD
Retailer 11$2,293 SGD
Retailer 4$2,507 SGD
Retailer 7$2,533 SGD
Retailer 6$2,603 SGD
Retailer 8$2,685 SGD
Retailer 9$2,736 SGD
Retailer 10$2,825 SGD
Retailer 12$3,079 SGD
Retailer 2$3,368 SGD
Retailer 3$3,571 SGD
MOH London$4,338 SGD

30 data points across 12 retailers

10 retailers$2,044 SGD to $4,338 SGD

A
Cheapest Retailer
-
$2,044 SGD
$1,599 USD
B+
Retailer 2
-
$2,293 SGD
$1,794 USD
View
B+
Retailer 3
-
$2,533 SGD
$1,981 USD
View
B+
Retailer 4
-
$2,603 SGD
$2,036 USD
View
B+
Retailer 5
-
$2,685 SGD
$2,100 USD
View
B+
Retailer 6
-
$2,736 SGD
$2,140 USD
View
B+
Retailer 7
-
$2,825 SGD
$2,210 USD
View
B+
Retailer 8
-
$3,368 SGD
€2,509 EUR
View
B
Retailer 9
-
$3,571 SGD
€2,660 EUR
View
Most Expensive
B
MOH London
FB563D7B7 · Nov 1
$4,338 SGD
£2,672 GBP
View
9 more retailers have this diamond
Prices start from $2,044 SGDSave up to $2,294 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
1.25ct Round
$2,044 SGD