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Round|Natural|GIA

3.12ct E SI2 Round Natural Diamond

EX • E/SI2

Diamond specifications and retailer prices

From $44,436 SGD
As of November 2, 2026
Save $11,147 SGD (20%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $55,583 SGD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.12ct natural round diamond

This 3.12ct natural round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 12 retailers as of November 5, 2026, with prices from $44,436 to $55,583, a $11,147 spread on the same certified stone. The Diamond Guys lists it at $55,583. 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

3.12
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions9.23 × 9.29 × 5.81 mm
L/W Ratio1.01
Top View
9.23 mm9.29 mm3.12 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.7%

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 2
Current: $44,436 SGD|Low: $44,436 SGD|High: $55,583 SGD|Avg: $49,507 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
The Diamond Guys
November 5, 2026
Retailer 1$44,436 SGD
Retailer 6$45,118 SGD
Retailer 2$47,597 SGD
Retailer 3$47,978 SGD
Retailer 7$49,502 SGD
Retailer 5$49,834 SGD
Retailer 8$51,376 SGD
Retailer 4$51,405 SGD
The Diamond Guys$55,583 SGD

13 data points across 9 retailers

12 retailers$44,436 SGD to $55,583 SGD

A
Cheapest Retailer
-
$44,436 SGD
A
Retailer 2
-
$44,436 SGD
View
A
Retailer 3
-
$45,118 SGD
View
A
Retailer 4
-
$45,118 SGD
View
A
Retailer 5
-
$47,597 SGD
View
A
Retailer 6
-
$47,978 SGD
View
A
Retailer 7
-
$49,502 SGD
View
A
Retailer 8
-
$49,834 SGD
View
A
Retailer 9
-
$49,834 SGD
View
B+
Retailer 10
-
$51,405 SGD
View
B+
Retailer 11
-
$55,583 SGD
View
Most Expensive
B+
The Diamond Guys
1999212293 · Nov 6
$55,583 SGD
$43,516 USD
View
11 more retailers have this diamond
Prices start from $44,436 SGDSave up to $11,147 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
3.12ct Round
$44,436 SGD