Round|Natural|GIA

3.12ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6194822748

Certificate GIA 6194822748

Diamond specifications and retailer prices

From $71,338 NZD
$40,206 USD
As of November 2, 2026
Save $57,753 NZD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $129,091 NZD 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 $71,338 to $129,091, a $57,753 spread on the same certified stone. MOH London lists it at $129,091. 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: $129,091 NZD|Low: $74,605 NZD|High: $130,645 NZD|Avg: $93,194 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2$74,756 NZD
Retailer 5$79,148 NZD
Retailer 3$82,006 NZD
Retailer 4$96,776 NZD
MOH London$129,091 NZD

39 data points across 5 retailers

12 retailers$71,338 NZD to $129,091 NZD

B+
Cheapest Retailer
-
$71,338 NZD
$40,206 USD
B+
Retailer 2
-
$74,756 NZD
₹4,012,622 INR
View
B+
Retailer 3
-
$75,486 NZD
$42,544 USD
View
B+
Retailer 4
-
$75,708 NZD
$42,669 USD
View
B+
Retailer 5
-
$77,390 NZD
CA$60,579 CAD
View
Retailer 6
-
$79,148 NZD
A$68,628 AUD
View
Price last confirmed 29 days ago
B+
Retailer 7
-
$82,006 NZD
£36,393 GBP
View
B
Retailer 8
-
$82,606 NZD
$46,557 USD
View
B
Retailer 9
-
$95,936 NZD
$54,070 USD
View
B
Retailer 10
-
$96,776 NZD
€51,946 EUR
View
B
Retailer 11
-
$96,804 NZD
$54,559 USD
View
Most Expensive
B
MOH London
A415DE846 · Nov 1
$129,091 NZD
£57,288 GBP
View
11 more retailers have this diamond
Prices start from $71,338 NZDSave up to $57,753 NZD

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
$71,338 NZD