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Cushion|Natural|GIA

1.80ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 7548815425

Certificate GIA 7548815425

Diamond specifications and retailer prices

From $8,443 SGD
$6,604 USD
As of October 31, 2026
Save $7,384 SGD (47%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $15,827 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.8ct natural cushion diamond

This 1.8ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7548815425. Listed at 19 retailers as of October 31, 2026, with prices from $8,443 to $15,827, a $7,384 spread on the same certified stone. MOH London lists it at $15,827. 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

1.80
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7548815425
Dimensions7.81 × 6.51 × 4.56 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizeNone
Top View
7.81 mm6.51 mm1.80 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7548815425
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $15,827 SGD|Low: $8,264 SGD|High: $16,016 SGD|Avg: $10,545 SGD|-0.1%
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 16$8,443 SGD
Retailer 9$8,820 SGD
Retailer 15$8,891 SGD
Retailer 12$9,089 SGD
Retailer 7$9,126 SGD
Retailer 10$9,336 SGD
Retailer 13$9,497 SGD
Retailer 17$10,117 SGD
Retailer 18$10,435 SGD
Retailer 14$10,469 SGD
Retailer 4$10,497 SGD
Retailer 2$10,587 SGD
Retailer 3$11,160 SGD
Retailer 5$11,160 SGD
Retailer 6$11,531 SGD
Retailer 11$12,410 SGD
Retailer 8$12,507 SGD
MOH London$15,827 SGD

42 data points across 18 retailers

19 retailers$8,443 SGD to $15,827 SGD

B+
Cheapest Retailer
-
$8,443 SGD
$6,604 USD
B+
Retailer 2
-
$8,820 SGD
$6,899 USD
View
B+
Retailer 3
-
$8,851 SGD
A$10,652 AUD
View
B+
Retailer 4
-
$8,891 SGD
$6,955 USD
View
B+
Retailer 5
-
$9,089 SGD
$7,110 USD
View
Final sale: no returns
B+
Retailer 6
-
$9,126 SGD
$7,138 USD
View
Retailer 7
-
$9,336 SGD
$7,303 USD
View
Price last confirmed 18 days ago
B
Retailer 8
-
$9,497 SGD
$7,429 USD
View
B+
Retailer 9
-
$10,117 SGD
$7,914 USD
View
B
Retailer 10
-
$10,435 SGD
A$12,558 AUD
View
B
Retailer 11
-
$10,469 SGD
$8,189 USD
View
B
Retailer 12
-
$10,497 SGD
CA$11,404 CAD
View
B+
Retailer 13
-
$10,587 SGD
£6,521 GBP
View
B
Retailer 14
-
$11,160 SGD
$8,730 USD
View
B
Retailer 15
-
$11,160 SGD
$8,730 USD
View
B
Retailer 16
-
$11,531 SGD
$9,020 USD
View
B
Retailer 17
-
$12,410 SGD
€9,245 EUR
View
Retailer 18
-
$12,507 SGD
$9,783 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
BEDCD5359 · Nov 1
$15,827 SGD
£9,748 GBP
View
18 more retailers have this diamond
Prices start from $8,443 SGDSave up to $7,384 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+
1.80ct Cushion
$8,443 SGD