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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 $6,187 NZD
As of November 6, 2026
Save $6,894 NZD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,081 NZD at MOH London · As of November 7, 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 6, 2026, with prices from $6,187 to $13,081, a $6,894 spread on the same certified stone. MOH London lists it at $13,081. 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 6
Current: $13,081 NZD|Low: $6,187 NZD|High: $13,746 NZD|Avg: $8,641 NZD|-4.8%
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 7, 2026
Retailer 4$6,187 NZD
Retailer 13$6,595 NZD
Retailer 12$7,600 NZD
Retailer 3$7,941 NZD
Retailer 2$8,128 NZD
Retailer 9$8,323 NZD
Retailer 11$8,424 NZD
Retailer 14$8,424 NZD
Retailer 6$8,635 NZD
Retailer 10$8,713 NZD
Retailer 7$9,290 NZD
Retailer 5$9,337 NZD
Retailer 8$11,944 NZD
MOH London$13,081 NZD

45 data points across 14 retailers

15 retailers$6,187 NZD to $13,081 NZD

B+
Cheapest Retailer
-
$6,187 NZD
B+
Retailer 2
-
$6,595 NZD
View
B
Retailer 3
-
$6,839 NZD
View
B
Retailer 4
-
$7,600 NZD
View
B
Retailer 5
-
$7,941 NZD
View
B+
Retailer 6
-
$8,128 NZD
View
Retailer 7
-
$8,323 NZD
View
Price last confirmed 29 days ago
B
Retailer 8
-
$8,424 NZD
View
B
Retailer 9
-
$8,424 NZD
View
B
Retailer 10
-
$8,635 NZD
View
B
Retailer 11
-
$8,713 NZD
View
B
Retailer 12
-
$9,290 NZD
View
Retailer 13
-
$9,337 NZD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$11,944 NZD
View
Most Expensive
B
MOH London
FC9CB680E · Nov 7
$13,081 NZD
£5,710 GBP
View
14 more retailers have this diamond
Prices start from $6,187 NZDSave up to $6,894 NZD

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
$6,187 NZD