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Cushion|Natural|GIA

3.00ct D SI1 Cushion Natural Diamond

D/SI1 • GIA 6552900078

Certificate GIA 6552900078

Diamond specifications and retailer prices

From $40,282 USD
HK$314,700 HKD
As of November 1, 2026
Save $11,314 USD (22%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $51,596 USD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3ct natural cushion diamond

This 3ct natural cushion sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 6552900078. Listed at 6 retailers as of October 31, 2026, with prices from $40,282 to $51,596, a $11,314 spread on the same certified stone. Blue Nile lists it at $51,596. 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

3.00
Carat
D
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552900078
Dimensions10.09 × 7.32 × 4.93 mm
L/W Ratio1.38
Top View
10.09 mm7.32 mm3.00 ctD / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552900078
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.3%

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: Nov 1
Current: $51,596 USD|Low: $40,282 USD|High: $51,596 USD|Avg: $43,582 USD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$40,282 USD
Retailer 2$40,614 USD
Retailer 6$41,897 USD
Retailer 5$44,412 USD
Retailer 4$47,274 USD
Blue Nile$51,596 USD

33 data points across 6 retailers

6 retailers$40,282 USD to $51,596 USD

B+
Cheapest Retailer
-
$40,282 USD
HK$314,700 HKD
B+
Retailer 2
-
$40,614 USD
₹3,867,964 INR
View
B+
Retailer 3
-
$41,897 USD
View
Final sale: no returns
Retailer 4
-
$44,412 USD
SGD 60,016 SGD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
$47,274 USD
View
Most Expensive
B
Blue Nile
30380820 · Oct 31
$51,596 USD
View
5 more retailers have this diamond
Prices start from $40,282 USDSave up to $11,314 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+
3.00ct Cushion
$40,282 USD