CaratHunter
Plans
Radiant|Natural|GIA

0.80ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 2458212129

Certificate GIA 2458212129

Diamond specifications and retailer prices

From $2,399 AUD
$1,685 USD
As of October 28, 2026
Save $2,649 AUD (52%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,048 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.8ct natural radiant diamond

This 0.8ct natural radiant sits in the just-under-one-carat band, graded H 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 2458212129. Listed at 4 retailers as of October 28, 2026, with prices from $2,399 to $5,048, a $2,649 spread on the same certified stone. MOH London lists it at $5,048. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2458212129
Dimensions6.47 × 4.90 × 3.32 mm
L/W Ratio1.32
Top View
6.47 mm4.90 mm0.80 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2458212129
Side View
Table 80.0%CrownGirdle: ThinPavilionCulet: NoneDepth 67.8%

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: Oct 28
Current: $5,048 AUD|Low: $2,399 AUD|High: $5,109 AUD|Avg: $3,605 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3$2,399 AUD
Retailer 5$3,083 AUD
Retailer 4$3,520 AUD
Retailer 2$3,934 AUD
MOH London$5,048 AUD

21 data points across 5 retailers

4 retailers$2,399 AUD to $5,048 AUD

B+
Cheapest Retailer
-
$2,399 AUD
$1,685 USD
Retailer 2
-
$3,520 AUD
View
Price last confirmed 34 days ago
B
Retailer 3
-
$3,934 AUD
€2,632 EUR
View
Most Expensive
B
MOH London
38C6892EE · Nov 1
$5,048 AUD
£2,792 GBP
View
3 more retailers have this diamond
Prices start from $2,399 AUDSave up to $2,649 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
$2,399 AUD