CaratHunter
Plans
Radiant|Natural|GIA

1.20ct K SI1 Radiant Natural Diamond

GD • K/SI1 • GIA 2556797520

Certificate GIA 2556797520

Diamond specifications and retailer prices

From $2,013 AUD
As of November 6, 2026
Save $4,580 AUD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,593 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2556797520. Listed at 16 retailers as of November 5, 2026, with prices from $2,013 to $6,593, a $4,580 spread on the same certified stone. NZ Jewellers lists it at $6,593. 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
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556797520
Dimensions7.17 × 5.31 × 3.72 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Pinpoint, Needle
Top View
7.17 mm5.31 mm1.20 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556797520
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.1%

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: $6,593 AUD|Low: $2,013 AUD|High: $6,708 AUD|Avg: $3,219 AUD|-1.7%
NZ Jewellers
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 9$2,013 AUD
Retailer 14$2,463 AUD
Retailer 2$2,481 AUD
Retailer 8$2,537 AUD
Retailer 12$2,703 AUD
Retailer 6$2,735 AUD
Retailer 3$2,828 AUD
Retailer 10$2,902 AUD
Retailer 7$2,934 AUD
Retailer 4$3,119 AUD
Retailer 13$3,298 AUD
Retailer 11$3,436 AUD
Retailer 5$4,762 AUD
NZ Jewellers$6,593 AUD

25 data points across 14 retailers

16 retailers$2,013 AUD to $6,593 AUD

A
Cheapest Retailer
-
$2,013 AUD
B+
Retailer 2
-
$2,463 AUD
View
B+
Retailer 3
-
$2,481 AUD
View
B+
Retailer 4
-
$2,537 AUD
View
B+
Retailer 5
-
$2,703 AUD
View
Retailer 6
-
$2,735 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$2,828 AUD
View
B+
Retailer 8
-
$2,902 AUD
View
B+
Retailer 9
-
$2,934 AUD
View
Retailer 10
-
$3,027 AUD
View
Price last confirmed 39 days ago
B+
Retailer 11
-
$3,119 AUD
View
Retailer 12
-
$3,228 AUD
View
Price last confirmed 62 days ago
B+
Retailer 13
-
$3,298 AUD
View
B
Retailer 14
-
$3,436 AUD
View
B
Retailer 15
-
$4,762 AUD
View
Most Expensive
C
NZ Jewellers
c20c1bc0-666b-47b3-9666-dd86d4768dea · Nov 5
$6,593 AUD
$4,530 USD
View
15 more retailers have this diamond
Prices start from $2,013 AUDSave up to $4,580 AUD

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
$2,013 AUD