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Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5242057473

Certificate GIA 5242057473

Diamond specifications and retailer prices

From $4,697 AUD
As of November 4, 2026
Save $3,818 AUD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,515 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5242057473. Listed at 14 retailers as of November 4, 2026, with prices from $4,697 to $8,515, a $3,818 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,515. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5242057473
Dimensions6.72 × 6.77 × 4.23 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.72 mm6.77 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5242057473
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,388 AUD|Low: $4,697 AUD|High: $9,121 AUD|Avg: $6,186 AUD|-8.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 6, 2026
Retailer 10$4,697 AUD
Retailer 12$4,737 AUD
Retailer 6$4,810 AUD
Retailer 11$5,020 AUD
Retailer 9$5,065 AUD
Retailer 5$5,126 AUD
Retailer 1$5,388 AUD
Retailer 2$5,989 AUD
Retailer 3$6,073 AUD
Retailer 7$6,220 AUD
Retailer 8$6,348 AUD
Retailer 13$7,920 AUD
Retailer 4$8,419 AUD
Wholesale Diamonds Direct$8,515 AUD

27 data points across 14 retailers

14 retailers$4,697 AUD to $8,515 AUD

A
Cheapest Retailer
-
$4,697 AUD
A
Retailer 2
-
$4,737 AUD
View
A
Retailer 3
-
$4,810 AUD
View
A
Retailer 4
-
$5,020 AUD
View
A
Retailer 5
-
$5,065 AUD
View
A
Retailer 6
-
$5,126 AUD
View
A
Retailer 7
-
$5,388 AUD
View
B+
Retailer 8
-
$5,989 AUD
View
B+
Retailer 9
-
$6,073 AUD
View
B+
Retailer 10
-
$6,220 AUD
View
B+
Retailer 11
-
$6,348 AUD
View
B+
Retailer 12
-
$7,920 AUD
View
B+
Retailer 13
-
$8,419 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
331200828 · Nov 6
$8,515 AUD
$5,851 USD
View
13 more retailers have this diamond
Prices start from $4,697 AUDSave up to $3,818 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.

A
1.20ct Round
$4,697 AUD