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Radiant|Natural|GIA

1.81ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6223818491

Certificate GIA 6223818491

Diamond specifications and retailer prices

From $8,297 AUD
$5,815 USD
As of November 1, 2026
Save $6,338 AUD (43%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $14,635 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.81ct natural radiant diamond

This 1.81ct natural radiant sits in the one-and-a-half to two carat band, graded G 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 6223818491. Listed at 14 retailers as of November 1, 2026, with prices from $8,297 to $14,635, a $6,338 spread on the same certified stone. MOH London lists it at $14,635. 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

1.81
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.7°
Pavilion angle39.1°
OriginNatural
Grading LabGIA
CertificateGIA 6223818491
Dimensions6.63 × 6.55 × 4.43 mm
L/W Ratio1.01
Top View
6.63 mm6.55 mm1.81 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6223818491
Side View
Table 64.0%Crown 39.7°Girdle: ThickPavilion 39.1°Culet: NoneDepth 67.7%

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 1
Current: $14,635 AUD|Low: $8,297 AUD|High: $16,349 AUD|Avg: $10,834 AUD|-9.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 14$8,297 AUD
Retailer 4$8,781 AUD
Retailer 9$8,783 AUD
Retailer 13$8,825 AUD
Retailer 12$9,363 AUD
Retailer 2$9,902 AUD
Retailer 10$10,193 AUD
Retailer 3$10,474 AUD
Retailer 5$10,516 AUD
Retailer 6$10,516 AUD
Retailer 8$10,829 AUD
Retailer 11$10,873 AUD
Retailer 7$12,903 AUD
MOH London$14,635 AUD

44 data points across 14 retailers

14 retailers$8,297 AUD to $14,635 AUD

A
Cheapest Retailer
-
$8,297 AUD
$5,815 USD
A
Retailer 2
-
$8,781 AUD
$6,154 USD
View
Final sale: no returns
A
Retailer 3
-
$8,783 AUD
$6,155 USD
View
A
Retailer 4
-
$8,825 AUD
$6,185 USD
View
A
Retailer 5
-
$9,363 AUD
$6,561 USD
View
A
Retailer 6
-
$9,902 AUD
£5,464 GBP
View
Retailer 7
-
$10,193 AUD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$10,474 AUD
$7,341 USD
View
A
Retailer 9
-
$10,516 AUD
$7,370 USD
View
A
Retailer 10
-
$10,516 AUD
$7,370 USD
View
A
Retailer 11
-
$10,829 AUD
£5,976 GBP
View
A
Retailer 12
-
$10,873 AUD
$7,620 USD
View
B+
Retailer 13
-
$12,903 AUD
ZAR 146,080 ZAR
View
Most Expensive
B+
MOH London
D052638C8 · Nov 1
$14,635 AUD
£8,076 GBP
View
13 more retailers have this diamond
Prices start from $8,297 AUDSave up to $6,338 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
1.81ct Radiant
$8,297 AUD