Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 2546974498

Certificate GIA 2546974498

Diamond specifications and retailer prices

From $3,042 USD
As of November 2, 2026
Save $3,606 USD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,648 USD 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 $3,042 to $6,648, a $3,606 spread on the same certified stone. MOH London lists it at $6,648. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,648 USD|Low: $3,006 USD|High: $6,728 USD|Avg: $4,350 USD|-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$3,042 USD
Retailer 9$3,055 USD
Retailer 8$3,849 USD
Retailer 11$3,917 USD
Retailer 4$4,066 USD
Retailer 6$4,262 USD
Retailer 2$4,498 USD
Retailer 10$4,500 USD
Retailer 3$5,402 USD
Retailer 5$5,745 USD
MOH London$6,648 USD

43 data points across 11 retailers

15 retailers$3,042 USD to $6,648 USD

B+
Cheapest Retailer
-
$3,042 USD
B+
Retailer 2
-
$3,055 USD
View
B+
Retailer 3
-
$3,306 USD
A$5,086 AUD
View
B
Retailer 4
-
$3,849 USD
View
B
Retailer 5
-
$3,917 USD
View
B
Retailer 6
-
$4,066 USD
£3,202 GBP
View
B
Retailer 7
-
$4,070 USD
View
B
Retailer 8
-
$4,070 USD
View
B
Retailer 9
-
$4,210 USD
View
B
Retailer 10
-
$4,255 USD
View
Retailer 11
-
$4,262 USD
A$6,557 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$4,498 USD
€4,284 EUR
View
Retailer 13
-
$4,500 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$5,745 USD
View
Most Expensive
B
MOH London
68CDFF3BD · Nov 1
$6,648 USD
£5,235 GBP
View
14 more retailers have this diamond
Prices start from $3,042 USDSave up to $3,606 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 Radiant
$3,042 USD