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Radiant|Natural|GIA

1.70ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 1568416858

Certificate GIA 1568416858

Diamond specifications and retailer prices

From $9,223 AUD
As of November 5, 2026
Save $12,279 AUD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $21,502 AUD 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568416858. Listed at 22 retailers as of November 5, 2026, with prices from $9,223 to $21,502, a $12,279 spread on the same certified stone. NZ Jewellers lists it at $21,502. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1568416858
Dimensions8.10 × 5.92 × 4.01 mm
L/W Ratio1.37
Girdle conditionPolished
Top View
8.10 mm5.92 mm1.70 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568416858
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.7%

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 5
Current: $21,502 AUD|Low: $9,149 AUD|High: $21,591 AUD|Avg: $11,877 AUD|-0.4%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 6$9,223 AUD
Retailer 3$9,408 AUD
Retailer 14$9,424 AUD
Retailer 19$9,885 AUD
Retailer 10$9,919 AUD
Retailer 2$10,057 AUD
Retailer 20$10,245 AUD
Retailer 8$10,394 AUD
Retailer 11$10,734 AUD
Retailer 5$10,750 AUD
Retailer 21$10,843 AUD
Retailer 4$10,991 AUD
Retailer 13$11,134 AUD
Retailer 16$12,123 AUD
Retailer 12$12,238 AUD
Retailer 7$12,327 AUD
Retailer 9$13,292 AUD
Retailer 18$13,588 AUD
Retailer 15$15,683 AUD
Retailer 17$17,868 AUD
NZ Jewellers$21,502 AUD

17 data points across 21 retailers

22 retailers$9,223 AUD to $21,502 AUD

A
Cheapest Retailer
-
$9,223 AUD
B+
Retailer 2
-
$9,408 AUD
View
Retailer 3
-
$9,424 AUD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
$9,885 AUD
View
B+
Retailer 5
-
$9,919 AUD
View
B+
Retailer 6
-
$10,057 AUD
View
B+
Retailer 7
-
$10,245 AUD
View
B+
Retailer 8
-
$10,394 AUD
View
Retailer 9
-
$10,442 AUD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
$10,734 AUD
View
B+
Retailer 11
-
$10,750 AUD
View
Final sale: no returns
B+
Retailer 12
-
$10,843 AUD
View
B+
Retailer 13
-
$10,991 AUD
View
B+
Retailer 14
-
$11,134 AUD
View
B+
Retailer 15
-
$12,123 AUD
View
Retailer 16
-
$12,238 AUD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$12,327 AUD
View
B+
Retailer 18
-
$13,292 AUD
View
B
Retailer 19
-
$13,588 AUD
View
B
Retailer 20
-
$15,683 AUD
View
B
Retailer 21
-
$17,868 AUD
View
Most Expensive
B
NZ Jewellers
698f19e5-414c-4929-baa6-81cbfbda613b · Nov 5
$21,502 AUD
$14,774 USD
View
21 more retailers have this diamond
Prices start from $9,223 AUDSave up to $12,279 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
1.70ct Radiant
$9,223 AUD