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Radiant|Natural|GIA

1.20ct K SI1 Radiant Natural Diamond

VG • K/SI1 • GIA 2554821058

Certificate GIA 2554821058

Diamond specifications and retailer prices

From $2,257 NZD
As of November 4, 2026
Save $1,510 NZD (40%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,767 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2554821058. Listed at 10 retailers as of November 4, 2026, with prices from $2,257 to $3,767, a $1,510 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,767. 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
K
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554821058
Dimensions6.95 × 5.33 × 3.68 mm
L/W Ratio1.30
Culet sizeNone
Top View
6.95 mm5.33 mm1.20 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554821058
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.0%

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 4
Current: $2,500 NZD|Low: $2,257 NZD|High: $4,143 NZD|Avg: $2,965 NZD|-6.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 7, 2026
Retailer 5$2,257 NZD
Retailer 3$2,296 NZD
Retailer 4$2,419 NZD
Retailer 7$2,455 NZD
Retailer 1$2,500 NZD
Retailer 6$2,755 NZD
Retailer 8$3,166 NZD
Retailer 2$3,245 NZD
Retailer 9$3,442 NZD
Wholesale Diamonds Direct$3,767 NZD

43 data points across 10 retailers

10 retailers$2,257 NZD to $3,767 NZD

A
Cheapest Retailer
-
$2,257 NZD
A
Retailer 2
-
$2,296 NZD
View
A
Retailer 3
-
$2,419 NZD
View
A
Retailer 4
-
$2,455 NZD
View
A
Retailer 5
-
$2,500 NZD
View
A
Retailer 6
-
$2,755 NZD
View
A
Retailer 7
-
$3,166 NZD
View
B+
Retailer 8
-
$3,245 NZD
View
B+
Retailer 9
-
$3,442 NZD
View
Most Expensive
B+
Wholesale Diamonds Direct
387037187 · Nov 6
$3,767 NZD
$2,088 USD
View
9 more retailers have this diamond
Prices start from $2,257 NZDSave up to $1,510 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
$2,257 NZD