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Cushion|Natural|GIA

3.50ct M SI1 Cushion Natural Diamond

M/SI1 • GIA 1555767528

Certificate GIA 1555767528

Diamond specifications and retailer prices

From $16,545 USD
As of November 7, 2026
Save $3,169 USD (16%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $19,714 USD at Cape Diamonds · As of November 6, 2026
View at Cape Diamonds

About this 3.5ct natural cushion diamond

This 3.5ct natural cushion sits in the three to five carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 1555767528. Listed at 6 retailers as of November 6, 2026, with prices from $16,545 to $19,714, a $3,169 spread on the same certified stone. Cape Diamonds lists it at $19,714. 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

3.50
Carat
M
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555767528
Dimensions12.03 × 8.38 × 3.95 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
12.03 mm8.38 mm3.50 ctM / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555767528
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 47.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: $19,714 USD|Low: $16,545 USD|High: $21,348 USD|Avg: $18,403 USD|-7.7%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$16,545 USD
Retailer 2$16,919 USD
Retailer 6$17,132 USD
Retailer 3$18,476 USD
Retailer 4$18,782 USD
Cape Diamonds$19,714 USD

45 data points across 6 retailers

6 retailers$16,545 USD to $19,714 USD

B
Cheapest Retailer
-
$16,545 USD
B
Retailer 2
-
$16,919 USD
View
Retailer 3
-
$17,132 USD
View
Price last confirmed 22 days ago
B
Retailer 4
-
$18,476 USD
View
B
Retailer 5
-
$18,782 USD
View
Most Expensive
B
Cape Diamonds
cert_1555767528 · Nov 6
$19,714 USD
ZAR 318,481 ZAR
View
5 more retailers have this diamond
Prices start from $16,545 USDSave up to $3,169 USD

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
3.50ct Cushion
$16,545 USD