Round|Natural|GIA

4.09ct I IF Round Natural Diamond

EX • I/IF • GIA 1563112279

Certificate GIA 1563112279

Diamond specifications and retailer prices

From $81,929 USD
As of October 31, 2026
Save $61,723 USD (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $143,652 USD at MOH London · As of November 1, 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 October 31, 2026, with prices from $81,929 to $143,652, a $61,723 spread on the same certified stone. MOH London lists it at $143,652. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $143,652 USD|Low: $80,530 USD|High: $145,383 USD|Avg: $99,424 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4$80,530 USD
Retailer 6$81,929 USD
Retailer 5$85,745 USD
Retailer 2$91,487 USD
Retailer 7$96,929 USD
Retailer 3$108,384 USD
MOH London$143,652 USD

34 data points across 7 retailers

7 retailers$81,929 USD to $143,652 USD

Retailer 1
-
$80,530 USD
Price last confirmed 10 days ago
B+
Retailer 2
-
$81,929 USD
View
Retailer 3
-
$85,745 USD
A$131,915 AUD
View
Price last confirmed 28 days ago
B+
Retailer 4
-
$91,487 USD
£72,037 GBP
View
B+
Retailer 5
-
$96,929 USD
View
B+
Retailer 6
-
$108,384 USD
€103,223 EUR
View
Most Expensive
B
MOH London
A63B91DFA · Nov 1
$143,652 USD
£113,112 GBP
View
6 more retailers have this diamond
Prices start from $81,929 USDSave up to $61,723 USD

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
$81,929 USD