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Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6214999900

Certificate GIA 6214999900

Diamond specifications and retailer prices

From $4,868 AUD
As of November 6, 2026
Save $6,181 AUD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,049 AUD at NZ Jewellers · As of November 2, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6214999900. Listed at 22 retailers as of November 2, 2026, with prices from $4,868 to $11,049, a $6,181 spread on the same certified stone. NZ Jewellers lists it at $11,049. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6214999900
Dimensions6.77 × 6.73 × 4.21 mm
L/W Ratio1.01
Top View
6.77 mm6.73 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6214999900
Side View
Table 59.0%Crown 35°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 62.6%

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: $11,049 AUD|Low: $3,590 AUD|High: $11,049 AUD|Avg: $6,587 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 4, 2026
Retailer 6$4,868 AUD
Retailer 17$4,956 AUD
Retailer 20$4,956 AUD
Retailer 5$5,056 AUD
Retailer 7$5,302 AUD
Retailer 3$5,487 AUD
Retailer 21$5,733 AUD
Retailer 10$5,746 AUD
Retailer 11$5,746 AUD
Retailer 19$5,746 AUD
Retailer 2$6,383 AUD
Retailer 8$6,404 AUD
Retailer 18$6,404 AUD
Retailer 9$6,622 AUD
Retailer 12$6,629 AUD
Retailer 14$6,641 AUD
Retailer 13$6,739 AUD
Retailer 4$7,174 AUD
Retailer 16$7,795 AUD
Retailer 15$10,100 AUD
NZ Jewellers$11,049 AUD

41 data points across 21 retailers

22 retailers$4,868 AUD to $11,049 AUD

B+
Cheapest Retailer
-
$4,868 AUD
B+
Retailer 2
-
$4,956 AUD
View
B+
Retailer 3
-
$4,956 AUD
View
B+
Retailer 4
-
$5,056 AUD
View
B+
Retailer 5
-
$5,260 AUD
View
B+
Retailer 6
-
$5,302 AUD
View
Final sale: no returns
B
Retailer 7
-
$5,487 AUD
View
B+
Retailer 8
-
$5,733 AUD
View
Retailer 9
-
$5,746 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$5,746 AUD
View
B+
Retailer 11
-
$5,746 AUD
View
B+
Retailer 12
-
$6,383 AUD
View
B
Retailer 13
-
$6,404 AUD
View
B
Retailer 14
-
$6,404 AUD
View
B
Retailer 15
-
$6,622 AUD
View
B
Retailer 16
-
$6,629 AUD
View
Retailer 17
-
$6,641 AUD
View
Price last confirmed 29 days ago
B
Retailer 18
-
$6,739 AUD
View
Retailer 19
-
$7,174 AUD
View
Price last confirmed 15 days ago
B
Retailer 20
-
$7,795 AUD
View
B
Retailer 21
-
$10,100 AUD
View
Most Expensive
B
NZ Jewellers
440ebb56-612b-4092-b945-f332abe39867 · Nov 2
$11,049 AUD
$7,592 USD
View
21 more retailers have this diamond
Prices start from $4,868 AUDSave up to $6,181 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+
1.20ct Round
$4,868 AUD