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Radiant|Natural|GIA

1.70ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 6561079650

Certificate GIA 6561079650

Diamond specifications and retailer prices

From $19,760 NZD
As of November 4, 2026
Save $15,389 NZD (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $35,149 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561079650. Listed at 11 retailers as of November 4, 2026, with prices from $19,760 to $35,149, a $15,389 spread on the same certified stone. NZ Jewellers lists it at $35,149. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561079650
Dimensions8.23 × 5.85 × 3.99 mm
L/W Ratio1.41
Girdle conditionPolished
Top View
8.23 mm5.85 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561079650
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCuletDepth 68.1%

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: $35,149 NZD|Low: $19,760 NZD|High: $35,149 NZD|Avg: $25,390 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 12$19,760 NZD
Retailer 4$20,220 NZD
Retailer 7$22,816 NZD
Retailer 11$22,846 NZD
Retailer 9$23,198 NZD
Retailer 10$23,880 NZD
Retailer 8$25,608 NZD
Retailer 3$26,362 NZD
Retailer 6$28,227 NZD
Retailer 2$28,556 NZD
Retailer 5$32,761 NZD
NZ Jewellers$35,149 NZD

43 data points across 12 retailers

11 retailers$19,760 NZD to $35,149 NZD

B+
Cheapest Retailer
-
$19,760 NZD
B+
Retailer 2
-
$20,220 NZD
View
B
Retailer 3
-
$22,816 NZD
View
B
Retailer 4
-
$22,846 NZD
View
B
Retailer 5
-
$23,198 NZD
View
B
Retailer 6
-
$25,608 NZD
View
B
Retailer 7
-
$26,362 NZD
View
B
Retailer 8
-
$28,227 NZD
View
Retailer 9
-
$28,556 NZD
View
B
Retailer 10
-
$32,761 NZD
View
Most Expensive
B
NZ Jewellers
8f0959f0-b466-41e4-8c95-1cac699a9eb8 · Nov 5
$35,149 NZD
$19,485 USD
View
10 more retailers have this diamond
Prices start from $19,760 NZDSave up to $15,389 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+
1.70ct Radiant
$19,760 NZD