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Radiant|Natural|GIA

1.30ct K SI1 Radiant Natural Diamond

GD • K/SI1 • GIA 3145961771

Certificate GIA 3145961771

Diamond specifications and retailer prices

From $6,314 NZD
As of November 4, 2026
Save $7,854 NZD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $14,168 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural radiant diamond

This 1.3ct natural radiant sits in the one-and-a-quarter to one-and-a-half 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 3145961771. Listed at 16 retailers as of November 4, 2026, with prices from $6,314 to $14,168, a $7,854 spread on the same certified stone. NZ Jewellers lists it at $14,168. 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

1.30
Carat
K
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3145961771
Dimensions7.07 × 5.85 × 3.79 mm
L/W Ratio1.21
Top View
7.07 mm5.85 mm1.30 ctK / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3145961771
Side View
Table 70.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 64.8%

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 4
Current: $14,168 NZD|Low: $6,314 NZD|High: $14,168 NZD|Avg: $9,220 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 6$6,314 NZD
Retailer 7$7,367 NZD
Retailer 8$7,367 NZD
Retailer 9$7,367 NZD
Retailer 2$8,238 NZD
Retailer 3$8,650 NZD
Retailer 4$9,921 NZD
Retailer 5$12,918 NZD
NZ Jewellers$14,168 NZD

44 data points across 9 retailers

16 retailers$6,314 NZD to $14,168 NZD

B+
Cheapest Retailer
-
$6,314 NZD
B+
Retailer 2
-
$6,407 NZD
View
B+
Retailer 3
-
$6,481 NZD
View
B
Retailer 4
-
$6,920 NZD
View
B
Retailer 5
-
$7,017 NZD
View
Retailer 6
-
$7,367 NZD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$7,367 NZD
View
B
Retailer 8
-
$7,367 NZD
View
B
Retailer 9
-
$8,020 NZD
View
B
Retailer 10
-
$8,238 NZD
View
B
Retailer 11
-
$8,502 NZD
View
B
Retailer 12
-
$8,650 NZD
View
Retailer 13
-
$9,198 NZD
View
Price last confirmed 15 days ago
C
Retailer 14
-
$9,921 NZD
View
C
Retailer 15
-
$12,918 NZD
View
Most Expensive
C
NZ Jewellers
83b19d72-471c-404d-b302-2a75dd820de4 · Nov 5
$14,168 NZD
$7,854 USD
View
15 more retailers have this diamond
Prices start from $6,314 NZDSave up to $7,854 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+
1.30ct Radiant
$6,314 NZD