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Radiant|Natural|GIA

1.70ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 2546435003

Certificate GIA 2546435003

Diamond specifications and retailer prices

From $11,974 AUD
As of November 4, 2026
Save $9,341 AUD (44%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $21,314 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 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 2546435003. Listed at 17 retailers as of November 4, 2026, with prices from $11,974 to $21,314, a $9,341 spread on the same certified stone. NZ Jewellers lists it at $21,314. 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
FluorescenceStrong
Crown angle44.86°
Pavilion angle32.43°
OriginNatural
Grading LabGIA
CertificateGIA 2546435003
Dimensions7.54 × 5.86 × 4.08 mm
L/W Ratio1.29
Top View
7.54 mm5.86 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2546435003
Side View
Table 67.0%Crown 44.86°GirdlePavilion 32.43°CuletDepth 69.7%

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: $14,323 AUD|Low: $11,722 AUD|High: $20,213 AUD|Avg: $14,938 AUD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 10$11,974 AUD
Retailer 2$12,698 AUD
Retailer 9$12,787 AUD
Retailer 4$13,847 AUD
Retailer 8$14,049 AUD
Retailer 1$14,323 AUD
Retailer 5$16,022 AUD
Retailer 3$16,228 AUD
Retailer 6$18,657 AUD
Retailer 7$19,919 AUD

37 data points across 10 retailers

17 retailers$11,974 AUD to $21,314 AUD

B+
Cheapest Retailer
-
$11,974 AUD
B+
Retailer 2
-
$12,003 AUD
View
B+
Retailer 3
-
$12,698 AUD
View
B+
Retailer 4
-
$12,787 AUD
View
Final sale: no returns
B+
Retailer 5
-
$13,847 AUD
View
B
Retailer 6
-
$13,854 AUD
View
Retailer 7
-
$14,049 AUD
View
Price last confirmed 15 days ago
B
Retailer 8
-
$14,068 AUD
View
B
Retailer 9
-
$14,323 AUD
View
B
Retailer 10
-
$15,270 AUD
View
B
Retailer 11
-
$15,986 AUD
View
B
Retailer 12
-
$16,022 AUD
View
Retailer 13
-
$16,228 AUD
View
Retailer 14
-
$16,833 AUD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$18,657 AUD
View
B
Retailer 16
-
$19,919 AUD
View
Most Expensive
B
NZ Jewellers
40f85a0d-a808-48f2-8506-71cfa60317fb · Nov 5
$21,314 AUD
$14,645 USD
View
16 more retailers have this diamond
Prices start from $11,974 AUDSave up to $9,341 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.

B+
1.70ct Radiant
$11,974 AUD