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Radiant|Natural|GIA

1.00ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 6552945890

Certificate GIA 6552945890

Diamond specifications and retailer prices

From $1,735 NZD
As of November 6, 2026
Save $3,952 NZD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,688 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552945890. Listed at 14 retailers as of November 5, 2026, with prices from $1,735 to $5,688, a $3,952 spread on the same certified stone. NZ Jewellers lists it at $5,688. 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

1.00
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552945890
Dimensions7.06 × 5.04 × 3.31 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Knot, Needle
Top View
7.06 mm5.04 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552945890
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.6%

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: $5,688 NZD|Low: $1,735 NZD|High: $5,834 NZD|Avg: $2,992 NZD|-2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 5$1,735 NZD
Retailer 9$2,161 NZD
Retailer 8$2,332 NZD
Retailer 4$2,361 NZD
Retailer 12$2,421 NZD
Retailer 6$2,574 NZD
Retailer 2$2,635 NZD
Retailer 3$2,690 NZD
Retailer 7$3,014 NZD
Retailer 11$3,588 NZD
Retailer 10$4,257 NZD
NZ Jewellers$5,688 NZD

27 data points across 12 retailers

14 retailers$1,735 NZD to $5,688 NZD

A
Cheapest Retailer
-
$1,735 NZD
A
Retailer 2
-
$2,161 NZD
View
A
Retailer 3
-
$2,332 NZD
View
Retailer 4
-
$2,361 NZD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$2,421 NZD
View
A
Retailer 6
-
$2,574 NZD
View
A
Retailer 7
-
$2,635 NZD
View
Retailer 8
-
$2,652 NZD
View
Price last confirmed 39 days ago
A
Retailer 9
-
$2,690 NZD
View
Retailer 10
-
$2,863 NZD
View
Price last confirmed 62 days ago
B+
Retailer 11
-
$3,014 NZD
View
B+
Retailer 12
-
$3,588 NZD
View
B
Retailer 13
-
$4,257 NZD
View
Most Expensive
B
NZ Jewellers
99df62bf-74a2-4c17-adba-a6788f87d649 · Nov 5
$5,688 NZD
$3,153 USD
View
13 more retailers have this diamond
Prices start from $1,735 NZDSave up to $3,952 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
1.00ct Radiant
$1,735 NZD