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Radiant|Natural|GIA

1.70ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 6545455122

Certificate GIA 6545455122

Diamond specifications and retailer prices

From $5,114 NZD
As of November 6, 2026
Save $4,836 NZD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,950 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural radiant diamond

This 1.7ct natural radiant sits in the one-and-a-half to two 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 6545455122. Listed at 12 retailers as of November 5, 2026, with prices from $5,114 to $9,950, a $4,836 spread on the same certified stone. NZ Jewellers lists it at $9,950. 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

1.70
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545455122
Dimensions7.59 × 5.94 × 4.13 mm
L/W Ratio1.28
Top View
7.59 mm5.94 mm1.70 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545455122
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $9,950 NZD|Low: $5,114 NZD|High: $9,956 NZD|Avg: $6,631 NZD
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 3$5,114 NZD
Retailer 5$5,691 NZD
Retailer 9$5,711 NZD
Retailer 11$5,711 NZD
Retailer 12$5,720 NZD
Retailer 2$5,908 NZD
Retailer 10$5,931 NZD
Retailer 4$6,241 NZD
Retailer 8$6,590 NZD
Retailer 6$6,646 NZD
Retailer 7$9,525 NZD
NZ Jewellers$9,950 NZD

33 data points across 12 retailers

12 retailers$5,114 NZD to $9,950 NZD

A
Cheapest Retailer
-
$5,114 NZD
A
Retailer 2
-
$5,691 NZD
View
Retailer 3
-
$5,711 NZD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$5,711 NZD
View
A
Retailer 5
-
$5,720 NZD
View
A
Retailer 6
-
$5,908 NZD
View
A
Retailer 7
-
$5,931 NZD
View
B+
Retailer 8
-
$6,241 NZD
View
B+
Retailer 9
-
$6,590 NZD
View
A
Retailer 10
-
$6,646 NZD
View
B+
Retailer 11
-
$9,525 NZD
View
Most Expensive
B
NZ Jewellers
25ec3faa-35a7-46a1-aee0-798c37acd31b · Nov 5
$9,950 NZD
$5,516 USD
View
11 more retailers have this diamond
Prices start from $5,114 NZDSave up to $4,836 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
1.70ct Radiant
$5,114 NZD