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Round|Natural|GIA

5.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6237924909

Certificate GIA 6237924909

Diamond specifications and retailer prices

From $47,029 SGD
HK$287,400 HKD
As of October 29, 2026
Save $39,129 SGD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $86,158 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 5.51ct natural round diamond

This 5.51ct natural round sits in the over five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6237924909. Listed at 14 retailers as of October 29, 2026, with prices from $47,029 to $86,158, a $39,129 spread on the same certified stone. MOH London lists it at $86,158. 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

5.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6237924909
Dimensions11.15 × 11.24 × 7.04 mm
L/W Ratio1.01
Top View
11.15 mm11.24 mm5.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237924909
Side View
Table 58.0%Crown 35°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
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 29
Current: $86,158 SGD|Low: $47,029 SGD|High: $91,400 SGD|Avg: $63,468 SGD|-2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7$47,029 SGD
Retailer 9$49,683 SGD
Retailer 3$54,885 SGD
Retailer 5$54,892 SGD
Retailer 8$55,521 SGD
Retailer 2$58,086 SGD
Retailer 4$66,583 SGD
Retailer 6$67,460 SGD
MOH London$86,158 SGD

42 data points across 9 retailers

14 retailers$47,029 SGD to $86,158 SGD

A
Cheapest Retailer
-
$47,029 SGD
HK$287,400 HKD
Retailer 2
-
$49,683 SGD
₹3,701,267 INR
View
Price last confirmed 9 days ago
Retailer 3
-
$53,251 SGD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$54,885 SGD
£33,805 GBP
View
A
Retailer 5
-
$54,892 SGD
$42,938 USD
View
A
Retailer 6
-
$55,521 SGD
$43,430 USD
View
Final sale: no returns
A
Retailer 7
-
$58,086 SGD
£35,777 GBP
View
Retailer 8
-
$58,698 SGD
$45,915 USD
View
Price last confirmed 41 days ago
A
Retailer 9
-
$66,583 SGD
€49,603 EUR
View
Retailer 10
-
$67,383 SGD
$52,709 USD
View
Price last confirmed 39 days ago
A
Retailer 11
-
$67,460 SGD
$52,769 USD
View
Retailer 12
-
$69,146 SGD
A$83,212 AUD
View
Price last confirmed 172 days ago
Retailer 13
-
$69,975 SGD
$54,736 USD
View
Price last confirmed 39 days ago
Most Expensive
B+
MOH London
54D20B092 · Oct 29
$86,158 SGD
£53,067 GBP
View
13 more retailers have this diamond
Prices start from $47,029 SGDSave up to $39,129 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.

A
5.51ct Round
$47,029 SGD