Radiant|Natural|GIA

1.20ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6552310579

Certificate GIA 6552310579

Diamond specifications and retailer prices

From $3,430 USD
As of November 2, 2026
Save $3,860 USD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,290 USD 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 $3,430 to $7,290, a $3,860 spread on the same certified stone. MOH London lists it at $7,290. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $7,290 USD|Low: $3,430 USD|High: $7,630 USD|Avg: $4,789 USD|-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 2, 2026
Retailer 4$3,430 USD
Retailer 13$3,657 USD
Retailer 12$4,213 USD
Retailer 3$4,402 USD
Retailer 7$4,551 USD
Retailer 9$4,614 USD
Retailer 11$4,670 USD
Retailer 14$4,670 USD
Retailer 6$4,787 USD
Retailer 10$4,830 USD
Retailer 5$5,176 USD
Retailer 2$5,178 USD
Retailer 8$6,621 USD
MOH London$7,290 USD

42 data points across 14 retailers

15 retailers$3,430 USD to $7,290 USD

B+
Cheapest Retailer
-
$3,430 USD
B+
Retailer 2
-
$3,657 USD
View
B+
Retailer 3
-
$3,792 USD
A$5,834 AUD
View
B+
Retailer 4
-
$4,213 USD
View
B
Retailer 5
-
$4,402 USD
View
B
Retailer 6
-
$4,551 USD
£3,584 GBP
View
Retailer 7
-
$4,614 USD
A$7,099 AUD
View
Price last confirmed 24 days ago
B
Retailer 8
-
$4,670 USD
View
B
Retailer 9
-
$4,670 USD
View
B
Retailer 10
-
$4,787 USD
View
B
Retailer 11
-
$4,830 USD
View
Retailer 12
-
$5,176 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$5,178 USD
€4,931 EUR
View
Retailer 14
-
$6,621 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
FC9CB680E · Nov 2
$7,290 USD
£5,740 GBP
View
14 more retailers have this diamond
Prices start from $3,430 USDSave up to $3,860 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
$3,430 USD