Round|Natural|GIA

3.12ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6194822748

Certificate GIA 6194822748

Diamond specifications and retailer prices

From $40,206 USD
As of October 30, 2026
Save $32,940 USD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $73,146 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.12ct natural round diamond

This 3.12ct natural round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6194822748. Listed at 12 retailers as of October 29, 2026, with prices from $40,206 to $73,146, a $32,940 spread on the same certified stone. MOH London lists it at $73,146. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6194822748
Dimensions9.37 × 9.39 × 5.81 mm
L/W Ratio1.00
Culet sizeNone
Top View
9.37 mm9.39 mm3.12 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6194822748
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $73,146 USD|Low: $40,206 USD|High: $73,632 USD|Avg: $50,220 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 6$40,206 USD
Retailer 2$42,155 USD
Retailer 5$44,608 USD
Retailer 3$46,606 USD
Retailer 4$54,786 USD
MOH London$73,146 USD

39 data points across 6 retailers

12 retailers$40,206 USD to $73,146 USD

B+
Cheapest Retailer
-
$40,206 USD
B+
Retailer 2
-
$42,155 USD
₹4,014,789 INR
View
B+
Retailer 3
-
$42,544 USD
View
B+
Retailer 4
-
$42,669 USD
View
B+
Retailer 5
-
$43,617 USD
CA$60,579 CAD
View
Retailer 6
-
$44,608 USD
A$68,628 AUD
View
Price last confirmed 27 days ago
B+
Retailer 7
-
$46,557 USD
View
B+
Retailer 8
-
$46,606 USD
£36,698 GBP
View
B
Retailer 9
-
$54,070 USD
View
B
Retailer 10
-
$54,559 USD
View
B
Retailer 11
-
$54,786 USD
€52,177 EUR
View
Most Expensive
B
MOH London
A415DE846 · Oct 29
$73,146 USD
£57,595 GBP
View
11 more retailers have this diamond
Prices start from $40,206 USDSave up to $32,940 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+
3.12ct Round
$40,206 USD