CaratHunter
Plans
Cushion|Natural|GIA

0.90ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1543517429

Certificate GIA 1543517429

Diamond specifications and retailer prices

From $916 SGD
HK$5,600 HKD
As of October 31, 2026
Save $1,300 SGD (59%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,216 SGD at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded J 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 1543517429. Listed at 18 retailers as of October 30, 2026, with prices from $916 to $2,216, a $1,300 spread on the same certified stone. Moon Ocean lists it at $2,216. 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

0.90
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle39.9°
OriginNatural
Grading LabGIA
CertificateGIA 1543517429
Dimensions5.80 × 5.57 × 3.69 mm
L/W Ratio1.04
Girdle conditionFaceted
Top View
5.80 mm5.57 mm0.90 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1543517429
Side View
Table 66.0%CrownGirdle: MED-VTKPavilion 39.9°Culet: NoneDepth 66.2%

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: Oct 31
Current: $2,216 SGD|Low: $900 SGD|High: $2,276 SGD|Avg: $1,465 SGD|-2.5%
Moon Ocean
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
October 31, 2026
Retailer 9$916 SGD
Retailer 2$1,042 SGD
Retailer 5$1,227 SGD
Retailer 15$1,255 SGD
Retailer 6$1,269 SGD
Retailer 11$1,342 SGD
Retailer 13$1,349 SGD
Retailer 8$1,383 SGD
Retailer 14$1,401 SGD
Retailer 7$1,484 SGD
Retailer 4$1,493 SGD
Retailer 10$1,617 SGD
Retailer 12$1,682 SGD
Retailer 3$1,893 SGD
Retailer 16$2,114 SGD
Moon Ocean$2,216 SGD

24 data points across 16 retailers

18 retailers$916 SGD to $2,216 SGD

A
Cheapest Retailer
-
$916 SGD
HK$5,600 HKD
A
Retailer 2
-
$1,042 SGD
$815 USD
View
Final sale: no returns
A
Retailer 3
-
$1,227 SGD
$960 USD
View
A
Retailer 4
-
$1,255 SGD
$982 USD
View
Retailer 5
-
$1,269 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,342 SGD
£827 GBP
View
B+
Retailer 7
-
$1,349 SGD
$1,055 USD
View
A
Retailer 8
-
$1,383 SGD
View
B+
Retailer 9
-
$1,401 SGD
$1,096 USD
View
B+
Retailer 10
-
$1,484 SGD
$1,161 USD
View
B+
Retailer 11
-
$1,493 SGD
$1,168 USD
View
B+
Retailer 12
-
$1,617 SGD
€1,205 EUR
View
B+
Retailer 13
-
$1,682 SGD
ZAR 21,251 ZAR
View
B+
Retailer 14
-
$1,702 SGD
A$2,048 AUD
View
Retailer 15
-
$1,756 SGD
A$2,113 AUD
View
Price last confirmed 27 days ago
Retailer 16
-
$1,893 SGD
$1,481 USD
View
Price last confirmed 7 days ago
Retailer 17
-
$2,114 SGD
£1,302 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Moon Ocean
NVN-557560A9C-429 · Oct 30
$2,216 SGD
£1,365 GBP
View
17 more retailers have this diamond
Prices start from $916 SGDSave up to $1,300 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
0.90ct Cushion
$916 SGD