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Round|Natural|GIA

4.09ct I IF Round Natural Diamond

EX • I/IF • GIA 1563112279

Certificate GIA 1563112279

Diamond specifications and retailer prices

From $115,037 AUD
As of November 1, 2026
Save $89,620 AUD (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $204,658 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 4.09ct natural round diamond

This 4.09ct natural round sits in the three to five carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1563112279. Listed at 7 retailers as of November 1, 2026, with prices from $115,037 to $204,658, a $89,620 spread on the same certified stone. MOH London lists it at $204,658. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

4.09
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1563112279
Dimensions10.48 × 10.54 × 6.22 mm
L/W Ratio1.01
Top View
10.48 mm10.54 mm4.09 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563112279
Side View
Table 60.0%Crown 31.5°Girdle: Thin - Med.Pavilion 41.4°Culet: NoneDepth 59.2%

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 1
Current: $204,658 AUD|Low: $115,037 AUD|High: $207,680 AUD|Avg: $141,834 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$115,037 AUD
Retailer 6$117,036 AUD
Retailer 5$122,485 AUD
Retailer 2$129,488 AUD
Retailer 7$138,463 AUD
Retailer 3$154,139 AUD
MOH London$204,658 AUD

38 data points across 7 retailers

7 retailers$115,037 AUD to $204,658 AUD

B+
Cheapest Retailer
-
$115,037 AUD
B+
Retailer 2
-
$117,036 AUD
View
Retailer 3
-
$122,485 AUD
View
Price last confirmed 32 days ago
B+
Retailer 4
-
$129,488 AUD
View
B+
Retailer 5
-
$138,463 AUD
View
B+
Retailer 6
-
$154,139 AUD
View
Most Expensive
B
MOH London
A63B91DFA · Nov 4
$204,658 AUD
£112,809 GBP
View
6 more retailers have this diamond
Prices start from $115,037 AUDSave up to $89,620 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+
4.09ct Round
$115,037 AUD