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Round|Natural|GIA

3.12ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6194822748

Certificate GIA 6194822748

Diamond specifications and retailer prices

From $57,370 AUD
$40,206 USD
As of November 2, 2026
Save $46,445 AUD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $103,815 AUD at MOH London · As of November 1, 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 November 1, 2026, with prices from $57,370 to $103,815, a $46,445 spread on the same certified stone. MOH London lists it at $103,815. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $103,815 AUD|Low: $59,998 AUD|High: $105,066 AUD|Avg: $74,947 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2$60,119 AUD
Retailer 5$63,651 AUD
Retailer 3$65,950 AUD
Retailer 4$77,828 AUD
MOH London$103,815 AUD

39 data points across 5 retailers

12 retailers$57,370 AUD to $103,815 AUD

B+
Cheapest Retailer
-
$57,370 AUD
$40,206 USD
B+
Retailer 2
-
$60,119 AUD
₹4,012,622 INR
View
B+
Retailer 3
-
$60,706 AUD
$42,544 USD
View
B+
Retailer 4
-
$60,885 AUD
$42,669 USD
View
B+
Retailer 5
-
$62,237 AUD
CA$60,579 CAD
View
Retailer 6
-
$63,651 AUD
View
Price last confirmed 29 days ago
B+
Retailer 7
-
$65,950 AUD
£36,393 GBP
View
B
Retailer 8
-
$66,432 AUD
$46,557 USD
View
B
Retailer 9
-
$77,152 AUD
$54,070 USD
View
B
Retailer 10
-
$77,828 AUD
€51,946 EUR
View
B
Retailer 11
-
$77,850 AUD
$54,559 USD
View
Most Expensive
B
MOH London
A415DE846 · Nov 1
$103,815 AUD
£57,288 GBP
View
11 more retailers have this diamond
Prices start from $57,370 AUDSave up to $46,445 AUD

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
$57,370 AUD