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Cushion|Natural|GIA

1.55ct I SI1 Cushion Natural Diamond

ID • I/SI1 • GIA 5242011749

Certificate GIA 5242011749

Diamond specifications and retailer prices

From $3,912 SGD
HK$23,900 HKD
As of November 2, 2026
Save $4,793 SGD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,706 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct natural cushion diamond

This 1.55ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5242011749. Listed at 17 retailers as of November 1, 2026, with prices from $3,912 to $8,706, a $4,793 spread on the same certified stone. MOH London lists it at $8,706. 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

1.55
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5242011749
Dimensions8.26 × 6.15 × 4.03 mm
L/W Ratio1.34
Girdle conditionFaceted
Top View
8.26 mm6.15 mm1.55 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5242011749
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $8,706 SGD|Low: $3,847 SGD|High: $9,097 SGD|Avg: $5,331 SGD|-4.3%
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 11$3,912 SGD
Retailer 16$4,127 SGD
Retailer 5$4,254 SGD
Retailer 14$4,422 SGD
Retailer 3$4,434 SGD
Retailer 2$4,595 SGD
Retailer 7$4,623 SGD
Retailer 13$4,701 SGD
Retailer 9$4,770 SGD
Retailer 15$4,968 SGD
Retailer 10$5,434 SGD
Retailer 8$5,778 SGD
Retailer 12$5,985 SGD
Retailer 4$6,556 SGD
Retailer 6$8,242 SGD
MOH London$8,706 SGD

24 data points across 16 retailers

17 retailers$3,912 SGD to $8,706 SGD

A
Cheapest Retailer
-
$3,912 SGD
HK$23,900 HKD
A
Retailer 2
-
$4,127 SGD
$3,227 USD
View
A
Retailer 3
-
$4,254 SGD
$3,326 USD
View
A
Retailer 4
-
$4,422 SGD
$3,458 USD
View
Final sale: no returns
A
Retailer 5
-
$4,434 SGD
€3,302 EUR
View
A
Retailer 6
-
$4,595 SGD
$3,593 USD
View
A
Retailer 7
-
$4,623 SGD
$3,615 USD
View
A
Retailer 8
-
$4,701 SGD
$3,675 USD
View
A
Retailer 9
-
$4,770 SGD
$3,730 USD
View
A
Retailer 10
-
$4,968 SGD
£3,059 GBP
View
A
Retailer 11
-
$5,210 SGD
A$6,268 AUD
View
A
Retailer 12
-
$5,434 SGD
$4,249 USD
View
Retailer 13
-
$5,778 SGD
A$6,951 AUD
View
Price last confirmed 23 days ago
A
Retailer 14
-
$5,985 SGD
€4,457 EUR
View
B+
Retailer 15
-
$6,556 SGD
ZAR 82,812 ZAR
View
Retailer 16
-
$8,242 SGD
$6,445 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
EDA8DE476 · Nov 1
$8,706 SGD
£5,360 GBP
View
16 more retailers have this diamond
Prices start from $3,912 SGDSave up to $4,793 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
1.55ct Cushion
$3,912 SGD