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Radiant|Natural|GIA

0.80ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 06

Certificate GIA 06

Diamond specifications and retailer prices

From $2,293 AUD
$1,607 USD
As of November 2, 2026
Save $485 AUD (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,778 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.8ct natural radiant diamond

This 0.8ct natural radiant sits in the just-under-one-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. Listed at 3 retailers as of October 31, 2026, with prices from $2,293 to $2,778, a $485 spread on the same certified stone. Blue Nile lists it at $2,778. 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

0.80
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 06
Dimensions6.50 × 4.60 × 3.12 mm
L/W Ratio1.41
Top View
6.50 mm4.60 mm0.80 ctI / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 06
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.9%

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 2
Current: $2,778 AUD|Low: $2,293 AUD|High: $2,778 AUD|Avg: $2,427 AUD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$2,293 AUD
Retailer 3$2,386 AUD
Blue Nile$2,778 AUD

2 data points across 3 retailers

3 retailers$2,293 AUD to $2,778 AUD

B+
Cheapest Retailer
-
$2,293 AUD
$1,607 USD
B+
Retailer 2
-
$2,386 AUD
$1,672 USD
View
Most Expensive
B
Blue Nile
14651095 · Oct 31
$2,778 AUD
$1,947 USD
View
2 more retailers have this diamond
Prices start from $2,293 AUDSave up to $485 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+
0.80ct Radiant
$2,293 AUD