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Radiant|Natural|GIA

1.20ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6552310579

Certificate GIA 6552310579

Diamond specifications and retailer prices

From $4,894 AUD
$3,430 USD
As of November 2, 2026
Save $5,508 AUD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,402 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552310579. Listed at 15 retailers as of November 2, 2026, with prices from $4,894 to $10,402, a $5,508 spread on the same certified stone. MOH London lists it at $10,402. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552310579
Dimensions7.14 × 5.28 × 3.54 mm
L/W Ratio1.35
Culet sizeNone
Top View
7.14 mm5.28 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552310579
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.1%

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: $10,402 AUD|Low: $4,894 AUD|High: $10,887 AUD|Avg: $6,843 AUD|-4.5%
MOH London
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
November 3, 2026
Retailer 4$4,894 AUD
Retailer 13$5,218 AUD
Retailer 12$6,012 AUD
Retailer 3$6,281 AUD
Retailer 2$6,494 AUD
Retailer 9$6,584 AUD
Retailer 11$6,664 AUD
Retailer 14$6,664 AUD
Retailer 6$6,831 AUD
Retailer 10$6,892 AUD
Retailer 5$7,386 AUD
Retailer 7$7,388 AUD
Retailer 8$9,448 AUD
MOH London$10,402 AUD

43 data points across 14 retailers

15 retailers$4,894 AUD to $10,402 AUD

B+
Cheapest Retailer
-
$4,894 AUD
$3,430 USD
B+
Retailer 2
-
$5,218 AUD
$3,657 USD
View
B+
Retailer 3
-
$5,411 AUD
View
B+
Retailer 4
-
$6,012 AUD
$4,213 USD
View
B
Retailer 5
-
$6,281 AUD
$4,402 USD
View
B
Retailer 6
-
$6,494 AUD
£3,584 GBP
View
Retailer 7
-
$6,584 AUD
View
Price last confirmed 24 days ago
B
Retailer 8
-
$6,664 AUD
$4,670 USD
View
B
Retailer 9
-
$6,664 AUD
$4,670 USD
View
B
Retailer 10
-
$6,831 AUD
$4,787 USD
View
B
Retailer 11
-
$6,892 AUD
$4,830 USD
View
Retailer 12
-
$7,386 AUD
$5,176 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$7,388 AUD
€4,931 EUR
View
Retailer 14
-
$9,448 AUD
$6,621 USD
View
Most Expensive
B
MOH London
FC9CB680E · Nov 2
$10,402 AUD
£5,740 GBP
View
14 more retailers have this diamond
Prices start from $4,894 AUDSave up to $5,508 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 Radiant
$4,894 AUD