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Radiant|Natural|GIA

1.20ct F SI1 Radiant Natural Diamond

GD • F/SI1 • GIA 6552511433

Certificate GIA 6552511433

Diamond specifications and retailer prices

From $4,779 NZD
As of November 6, 2026
Save $5,787 NZD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,455 NZD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6552511433. Listed at 21 retailers as of November 4, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
F
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552511433
Dimensions7.14 × 5.45 × 3.75 mm
L/W Ratio1.31
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.14 mm5.45 mm1.20 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552511433
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,455 NZD|Low: $4,733 NZD|High: $11,672 NZD|Avg: $7,135 NZD|+1.0%
Queensmith
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 13$4,779 NZD
Retailer 7$4,964 NZD
Retailer 5$5,686 NZD
Retailer 11$5,796 NZD
Retailer 4$5,846 NZD
Retailer 14$6,097 NZD
Retailer 2$6,555 NZD
Retailer 3$6,595 NZD
Retailer 8$6,644 NZD
Retailer 6$7,302 NZD
Retailer 9$7,374 NZD
Retailer 10$7,732 NZD
Retailer 12$10,565 NZD
Queensmith$11,455 NZD

27 data points across 14 retailers

21 retailers$4,779 NZD to $10,565 NZD

A
Cheapest Retailer
-
$4,779 NZD
A
Retailer 2
-
$4,964 NZD
View
B+
Retailer 3
-
$5,686 NZD
View
B+
Retailer 4
-
$5,796 NZD
View
B+
Retailer 5
-
$5,846 NZD
View
Final sale: no returns
B
Retailer 6
-
$6,097 NZD
View
B
Retailer 7
-
$6,099 NZD
View
B
Retailer 8
-
$6,435 NZD
View
B
Retailer 9
-
$6,555 NZD
View
Retailer 10
-
$6,557 NZD
View
Price last confirmed 20 days ago
Retailer 11
-
$6,557 NZD
View
Price last confirmed 22 days ago
B
Retailer 12
-
$6,595 NZD
View
B
Retailer 13
-
$6,644 NZD
View
Retailer 14
-
$6,810 NZD
View
Price last confirmed 22 days ago
Retailer 15
-
$7,057 NZD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$7,374 NZD
View
Retailer 17
-
$7,566 NZD
View
Price last confirmed 19 days ago
B
Retailer 18
-
$7,732 NZD
View
B
Retailer 19
-
$10,565 NZD
View
Retailer 20
-
$11,424 NZD
View
Price last confirmed 21 days ago
Most Expensive
Queensmith
6552511433 · Oct 28
$11,455 NZD
£5,000 GBP
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from $4,779 NZDSave up to $5,787 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.

A
1.20ct Radiant
$4,779 NZD