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Radiant|Natural|GIA

1.65ct I SI1 Radiant Natural Diamond

I/SI1 • GIA 6432739950

Certificate GIA 6432739950

Diamond specifications and retailer prices

From $13,503 AUD
As of November 5, 2026
Save $1,298 AUD (9%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $14,801 AUD at Jared · As of November 6, 2026
View at Jared

About this 1.65ct natural radiant diamond

This 1.65ct natural radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 6432739950. Listed at 5 retailers as of November 5, 2026, with a relatively tight 10% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.65
Carat
I
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6432739950
Dimensions8.13 × 5.82 × 4.08 mm
L/W Ratio1.40
Top View
8.13 mm5.82 mm1.65 ctI / SI1
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6432739950
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $14,801 AUD|Low: $13,503 AUD|High: $15,791 AUD|Avg: $14,523 AUD|-6.3%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5$13,503 AUD
Retailer 3$14,336 AUD
Retailer 4$14,336 AUD
Retailer 2$14,704 AUD
Jared$14,801 AUD

15 data points across 5 retailers

5 retailers$13,503 AUD to $14,801 AUD

B
Cheapest Retailer
-
$13,503 AUD
B
Retailer 2
-
$14,336 AUD
View
B
Retailer 3
-
$14,336 AUD
View
B
Retailer 4
-
$14,704 AUD
View
Most Expensive
C
Jared
146352620 · Nov 6
$14,801 AUD
$10,170 USD
View
4 more retailers have this diamond
Prices start from $13,503 AUDSave up to $1,298 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
1.65ct Radiant
$13,503 AUD