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Round|Natural|GIA

1.20ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 5343810946

Certificate GIA 5343810946

Diamond specifications and retailer prices

From $1,548 USD
As of November 6, 2026
Save $2,946 USD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,494 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5343810946. Listed at 11 retailers as of November 5, 2026, with prices from $1,548 to $4,494, a $2,946 spread on the same certified stone. NZ Jewellers lists it at $4,494. 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

1.20
Carat
M
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5343810946
Dimensions6.78 × 6.72 × 4.25 mm
L/W Ratio1.01
Top View
6.78 mm6.72 mm1.20 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5343810946
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 62.9%

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 6
Current: $4,494 USD|Low: $1,523 USD|High: $4,494 USD|Avg: $2,169 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6$1,548 USD
Retailer 12$1,679 USD
Retailer 2$1,836 USD
Retailer 7$1,843 USD
Retailer 9$1,843 USD
Retailer 8$1,928 USD
Retailer 11$1,980 USD
Retailer 3$2,000 USD
Retailer 10$2,126 USD
Retailer 4$2,220 USD
Retailer 5$2,496 USD
NZ Jewellers$4,494 USD

32 data points across 12 retailers

11 retailers$1,548 USD to $4,494 USD

B+
Cheapest Retailer
-
$1,548 USD
B+
Retailer 2
-
$1,679 USD
View
B+
Retailer 3
-
$1,836 USD
View
B+
Retailer 4
-
$1,843 USD
View
Retailer 5
-
$1,843 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$1,928 USD
View
B
Retailer 7
-
$1,980 USD
View
B
Retailer 8
-
$2,000 USD
View
B
Retailer 9
-
$2,126 USD
View
B
Retailer 10
-
$2,496 USD
View
Most Expensive
C
NZ Jewellers
572ae6f1-e4ca-4ccd-84f4-7f95c5ce9926 · Nov 5
$4,494 USD
View
10 more retailers have this diamond
Prices start from $1,548 USDSave up to $2,946 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+
1.20ct Round
$1,548 USD