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Cushion|Natural|GIA

1.51ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6205595976

Certificate GIA 6205595976

Diamond specifications and retailer prices

From $12,788 SGD
As of November 6, 2026
Save $9,835 SGD (43%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $22,622 SGD at MOH London · As of November 7, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6205595976. Listed at 24 retailers as of November 6, 2026, with prices from $12,788 to $22,622, a $9,835 spread on the same certified stone. MOH London lists it at $22,622. 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

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6205595976
Dimensions7.17 × 6.84 × 4.49 mm
L/W Ratio1.05
Top View
7.17 mm6.84 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6205595976
Side View
Table 62.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 65.6%

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 6
Current: $22,622 SGD|Low: $12,788 SGD|High: $23,018 SGD|Avg: $16,718 SGD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 5$12,788 SGD
Retailer 3$12,912 SGD
Retailer 4$14,563 SGD
Retailer 2$15,038 SGD
Retailer 9$15,105 SGD
Retailer 8$15,596 SGD
Retailer 13$15,838 SGD
Retailer 10$16,857 SGD
Retailer 11$17,502 SGD
Retailer 6$18,469 SGD
Retailer 7$19,711 SGD
Retailer 12$21,248 SGD
MOH London$22,622 SGD

46 data points across 13 retailers

24 retailers$12,788 SGD to $22,622 SGD

B+
Cheapest Retailer
-
$12,788 SGD
Retailer 2
-
$12,912 SGD
View
Price last confirmed 17 days ago
B
Retailer 3
-
$13,511 SGD
View
B
Retailer 4
-
$13,513 SGD
View
B
Retailer 5
-
$13,819 SGD
View
B
Retailer 6
-
$13,908 SGD
View
B
Retailer 7
-
$14,360 SGD
View
B
Retailer 8
-
$14,563 SGD
View
B
Retailer 9
-
$14,685 SGD
View
B
Retailer 10
-
$15,038 SGD
View
B
Retailer 11
-
$15,105 SGD
View
B
Retailer 12
-
$15,596 SGD
View
Retailer 13
-
$15,838 SGD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$16,116 SGD
View
B
Retailer 15
-
$16,848 SGD
View
B
Retailer 16
-
$16,857 SGD
View
B
Retailer 17
-
$16,943 SGD
View
B
Retailer 18
-
$16,943 SGD
View
B
Retailer 19
-
$17,502 SGD
View
B
Retailer 20
-
$17,507 SGD
View
B
Retailer 21
-
$18,469 SGD
View
B
Retailer 22
-
$19,711 SGD
View
B
Retailer 23
-
$21,248 SGD
View
Most Expensive
B
MOH London
E50A38A21 · Nov 7
$22,622 SGD
£13,899 GBP
View
23 more retailers have this diamond
Prices start from $12,788 SGDSave up to $9,835 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+
1.51ct Cushion
$12,788 SGD