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Radiant|Natural|GIA

1.81ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 2504516993

Certificate GIA 2504516993

Diamond specifications and retailer prices

From $13,205 AUD
$9,254 USD
As of November 2, 2026
Save $4,456 AUD (25%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $17,660 AUD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

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 2504516993. Listed at 7 retailers as of November 2, 2026, with prices from $13,205 to $17,660, a $4,456 spread on the same certified stone. 77 Diamonds lists it at $17,660. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2504516993
Dimensions7.55 × 6.00 × 4.12 mm
L/W Ratio1.26
Top View
7.55 mm6.00 mm1.81 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2504516993
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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: $17,660 AUD|Low: $13,078 AUD|High: $17,767 AUD|Avg: $15,310 AUD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4$13,205 AUD
Retailer 5$14,499 AUD
Retailer 3$14,657 AUD
Retailer 2$16,959 AUD
77 Diamonds$17,660 AUD

33 data points across 5 retailers

7 retailers$13,205 AUD to $17,660 AUD

B+
Cheapest Retailer
-
$13,205 AUD
$9,254 USD
B+
Retailer 2
-
$14,274 AUD
View
B+
Retailer 3
-
$14,499 AUD
$10,161 USD
View
B+
Retailer 4
-
$14,657 AUD
$10,272 USD
View
Final sale: no returns
B
Retailer 5
-
$16,959 AUD
$11,885 USD
View
Retailer 6
-
$16,959 AUD
$11,885 USD
View
Price last confirmed 28 days ago
Most Expensive
B
77 Diamonds
RADZQ5YANYTH · Nov 2
$17,660 AUD
£9,745 GBP
View
6 more retailers have this diamond
Prices start from $13,205 AUDSave up to $4,456 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+
1.81ct Radiant
$13,205 AUD