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Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 2546974498

Certificate GIA 2546974498

Diamond specifications and retailer prices

From $4,331 AUD
$3,042 USD
As of November 2, 2026
Save $5,134 AUD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,465 AUD at MOH London · As of November 1, 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 I 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 2546974498. Listed at 15 retailers as of November 1, 2026, with prices from $4,331 to $9,465, a $5,134 spread on the same certified stone. MOH London lists it at $9,465. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546974498
Dimensions7.52 × 5.20 × 3.52 mm
L/W Ratio1.45
Top View
7.52 mm5.20 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546974498
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.8%

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: $9,465 AUD|Low: $4,279 AUD|High: $9,579 AUD|Avg: $6,193 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$4,331 AUD
Retailer 9$4,349 AUD
Retailer 8$5,479 AUD
Retailer 11$5,576 AUD
Retailer 4$5,789 AUD
Retailer 6$6,068 AUD
Retailer 2$6,404 AUD
Retailer 10$6,406 AUD
Retailer 3$7,690 AUD
Retailer 5$8,178 AUD
MOH London$9,465 AUD

43 data points across 11 retailers

15 retailers$4,331 AUD to $9,465 AUD

B+
Cheapest Retailer
-
$4,331 AUD
$3,042 USD
B+
Retailer 2
-
$4,349 AUD
$3,055 USD
View
B+
Retailer 3
-
$4,707 AUD
View
B
Retailer 4
-
$5,479 AUD
$3,849 USD
View
B
Retailer 5
-
$5,576 AUD
$3,917 USD
View
B
Retailer 6
-
$5,789 AUD
£3,202 GBP
View
B
Retailer 7
-
$5,794 AUD
$4,070 USD
View
B
Retailer 8
-
$5,794 AUD
$4,070 USD
View
B
Retailer 9
-
$5,993 AUD
$4,210 USD
View
B
Retailer 10
-
$6,057 AUD
$4,255 USD
View
Retailer 11
-
$6,068 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$6,404 AUD
€4,284 EUR
View
Retailer 13
-
$6,406 AUD
$4,500 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$8,178 AUD
$5,745 USD
View
Most Expensive
B
MOH London
68CDFF3BD · Nov 1
$9,465 AUD
£5,235 GBP
View
14 more retailers have this diamond
Prices start from $4,331 AUDSave up to $5,134 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
$4,331 AUD