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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 $14,841 NZD
As of November 4, 2026
Save $11,577 NZD (44%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $26,418 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 2546435003. Listed at 17 retailers as of November 4, 2026, with prices from $14,841 to $26,418, a $11,577 spread on the same certified stone. NZ Jewellers lists it at $26,418. 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: $17,752 NZD|Low: $14,529 NZD|High: $25,053 NZD|Avg: $18,516 NZD|-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$14,841 NZD
Retailer 2$15,739 NZD
Retailer 9$15,849 NZD
Retailer 4$17,162 NZD
Retailer 8$17,413 NZD
Retailer 1$17,752 NZD
Retailer 5$19,859 NZD
Retailer 3$20,113 NZD
Retailer 6$23,124 NZD
Retailer 7$24,688 NZD

37 data points across 10 retailers

17 retailers$14,841 NZD to $26,418 NZD

B+
Cheapest Retailer
-
$14,841 NZD
B+
Retailer 2
-
$14,877 NZD
View
B+
Retailer 3
-
$15,739 NZD
View
B+
Retailer 4
-
$15,849 NZD
View
Final sale: no returns
B+
Retailer 5
-
$17,162 NZD
View
B
Retailer 6
-
$17,171 NZD
View
Retailer 7
-
$17,413 NZD
View
Price last confirmed 15 days ago
B
Retailer 8
-
$17,436 NZD
View
B
Retailer 9
-
$17,752 NZD
View
B
Retailer 10
-
$18,927 NZD
View
B
Retailer 11
-
$19,814 NZD
View
B
Retailer 12
-
$19,859 NZD
View
Retailer 13
-
$20,113 NZD
View
Retailer 14
-
$20,864 NZD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$23,124 NZD
View
B
Retailer 16
-
$24,688 NZD
View
Most Expensive
B
NZ Jewellers
40f85a0d-a808-48f2-8506-71cfa60317fb · Nov 5
$26,418 NZD
$14,645 USD
View
16 more retailers have this diamond
Prices start from $14,841 NZDSave up to $11,577 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
$14,841 NZD