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Cushion|Natural|GIA

0.51ct E SI1 Cushion Natural Diamond

GD • E/SI1 • GIA 2497945497

Certificate GIA 2497945497

Diamond specifications and retailer prices

From $643 SGD
As of November 6, 2026
Save $1,429 SGD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,072 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2497945497. Listed at 12 retailers as of November 4, 2026, with prices from $643 to $2,072, a $1,429 spread on the same certified stone. MOH London lists it at $2,072. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2497945497
Dimensions5.28 × 4.19 × 2.94 mm
L/W Ratio1.26
Top View
5.28 mm4.19 mm0.51 ctE / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2497945497
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 70.2%

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: Nov 6
Current: $2,072 SGD|Low: $643 SGD|High: $2,100 SGD|Avg: $1,274 SGD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$643 SGD
Retailer 9$919 SGD
Retailer 3$1,046 SGD
Retailer 5$1,147 SGD
Retailer 6$1,183 SGD
Retailer 2$1,298 SGD
Retailer 8$1,382 SGD
Retailer 4$1,419 SGD
MOH London$2,072 SGD

44 data points across 9 retailers

12 retailers$643 SGD to $2,072 SGD

A
Cheapest Retailer
-
$643 SGD
Final sale: no returns
Retailer 2
-
$919 SGD
View
Price last confirmed 8 days ago
B
Retailer 3
-
$996 SGD
View
B
Retailer 4
-
$1,046 SGD
View
B
Retailer 5
-
$1,088 SGD
View
B
Retailer 6
-
$1,147 SGD
View
B
Retailer 7
-
$1,152 SGD
View
B
Retailer 8
-
$1,183 SGD
View
B
Retailer 9
-
$1,298 SGD
View
Retailer 10
-
$1,382 SGD
View
Price last confirmed 33 days ago
B
Retailer 11
-
$1,419 SGD
View
Most Expensive
B
MOH London
BBC1FB3F6 · Nov 4
$2,072 SGD
£1,273 GBP
View
11 more retailers have this diamond
Prices start from $643 SGDSave up to $1,429 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
0.51ct Cushion
$643 SGD