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Radiant|Natural|GIA

1.70ct K SI2 Radiant Natural Diamond

VG • K/SI2 • GIA 2457058995

Certificate GIA 2457058995

Diamond specifications and retailer prices

From $4,619 AUD
As of November 7, 2026
Save $2,834 AUD (38%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,786 AUD at NZ Jewellers · As of September 30, 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 2457058995. Listed at 8 retailers as of November 4, 2026, with a 61% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
K
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2457058995
Dimensions7.50 × 5.94 × 4.02 mm
L/W Ratio1.26
Top View
7.50 mm5.94 mm1.70 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2457058995
Side View
Table 70.0%CrownGirdlePavilionCulet: NoneDepth 67.8%

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 7
Current: $4,619 AUD|Low: $4,529 AUD|High: $7,565 AUD|Avg: $5,837 AUD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 1$4,619 AUD
Retailer 2$5,203 AUD
Retailer 4$5,976 AUD
Retailer 3$7,453 AUD

43 data points across 4 retailers

8 retailers$4,619 AUD to $7,453 AUD

Retailer 1
-
$4,470 AUD
Price last confirmed 30 days ago
Retailer 2
-
$4,470 AUD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$4,619 AUD
View
Retailer 4
-
$4,641 AUD
View
Price last confirmed 38 days ago
Retailer 5
-
$5,156 AUD
View
Price last confirmed 39 days ago
B+
Retailer 6
-
$5,203 AUD
View
B
Retailer 7
-
$7,453 AUD
View
Most Expensive
NZ Jewellers
31ea56d5-5577-4233-b02d-270eef23fa5e · Sep 30
$7,786 AUD
$5,350 USD
View
Price last confirmed 37 days ago
7 more retailers have this diamond
Prices start from $4,619 AUDSave up to $2,834 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
$4,619 AUD