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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 €5,205 EUR
$5,815 USD
As of October 30, 2026
Save €3,976 EUR (43%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €9,181 EUR 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 October 30, 2026, with prices from €5,205 to €9,181, a €3,976 spread on the same certified stone. MOH London lists it at €9,181. 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
Color
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

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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: Oct 30
Current: €9,181 EUR|Low: €5,205 EUR|High: €10,256 EUR|Avg: €6,804 EUR|-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 1, 2026
Retailer 14€5,205 EUR
Retailer 4€5,508 EUR
Retailer 9€5,509 EUR
Retailer 13€5,536 EUR
Retailer 12€5,873 EUR
Retailer 2€6,212 EUR
Retailer 10€6,394 EUR
Retailer 3€6,570 EUR
Retailer 5€6,597 EUR
Retailer 6€6,597 EUR
Retailer 8€6,793 EUR
Retailer 11€6,821 EUR
Retailer 7€8,094 EUR
MOH London€9,181 EUR

44 data points across 14 retailers

14 retailers€5,205 EUR to €9,181 EUR

A
Cheapest Retailer
-
€5,205 EUR
$5,815 USD
A
Retailer 2
-
€5,508 EUR
$6,154 USD
View
Final sale: no returns
A
Retailer 3
-
€5,509 EUR
$6,155 USD
View
A
Retailer 4
-
€5,536 EUR
$6,185 USD
View
A
Retailer 5
-
€5,873 EUR
$6,561 USD
View
A
Retailer 6
-
€6,212 EUR
£5,464 GBP
View
Retailer 7
-
€6,394 EUR
A$10,990 AUD
View
Price last confirmed 10 days ago
A
Retailer 8
-
€6,570 EUR
$7,341 USD
View
A
Retailer 9
-
€6,597 EUR
$7,370 USD
View
A
Retailer 10
-
€6,597 EUR
$7,370 USD
View
A
Retailer 11
-
€6,793 EUR
£5,976 GBP
View
A
Retailer 12
-
€6,821 EUR
$7,620 USD
View
B+
Retailer 13
-
€8,094 EUR
ZAR 146,080 ZAR
View
Most Expensive
B+
MOH London
D052638C8 · Nov 1
€9,181 EUR
£8,076 GBP
View
13 more retailers have this diamond
Prices start from €5,205 EURSave up to €3,976 EUR

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
€5,205 EUR