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Round|Natural|GIA

4.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5231250367

Certificate GIA 5231250367

Diamond specifications and retailer prices

From $76,221 SGD
$59,622 USD
As of November 1, 2026
Save $55,132 SGD (42%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $131,353 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 4ct natural round diamond

This 4ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231250367. Listed at 13 retailers as of November 1, 2026, with prices from $76,221 to $131,353, a $55,132 spread on the same certified stone. MOH London lists it at $131,353. 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

4.00
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231250367
Dimensions10.24 × 10.17 × 6.16 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
10.24 mm10.17 mm4.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231250367
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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: Nov 1
Current: $131,353 SGD|Low: $76,221 SGD|High: $132,936 SGD|Avg: $96,664 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5$76,221 SGD
Retailer 7$79,784 SGD
Retailer 6$81,357 SGD
Retailer 4$82,917 SGD
Retailer 2$101,598 SGD
Retailer 3$105,398 SGD
MOH London$131,353 SGD

40 data points across 7 retailers

13 retailers$76,221 SGD to $131,353 SGD

B+
Cheapest Retailer
-
$76,221 SGD
$59,622 USD
Retailer 2
-
$79,784 SGD
A$96,015 AUD
View
Price last confirmed 28 days ago
B
Retailer 3
-
$81,357 SGD
$63,640 USD
View
B+
Retailer 4
-
$82,917 SGD
£51,071 GBP
View
B
Retailer 5
-
$84,106 SGD
$65,790 USD
View
B
Retailer 6
-
$85,313 SGD
$66,734 USD
View
B
Retailer 7
-
$87,610 SGD
$68,531 USD
View
B
Retailer 8
-
$87,610 SGD
$68,531 USD
View
B
Retailer 9
-
$91,114 SGD
$71,272 USD
View
B
Retailer 10
-
$94,619 SGD
$74,014 USD
View
B
Retailer 11
-
$101,598 SGD
€75,688 EUR
View
B
Retailer 12
-
$105,398 SGD
ZAR 1,331,913 ZAR
View
Most Expensive
B
MOH London
A7ECBE6E4 · Nov 1
$131,353 SGD
£80,904 GBP
View
12 more retailers have this diamond
Prices start from $76,221 SGDSave up to $55,132 SGD

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+
4.00ct Round
$76,221 SGD