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Cushion|Natural|GIA

3.00ct H SI2 Cushion Natural Diamond

VG • H/SI2 • GIA 6545978868

Certificate GIA 6545978868

Diamond specifications and retailer prices

From $22,993 USD
£18,104 GBP
As of November 2, 2026
Save $4,151 USD (15%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $27,143 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6545978868. Listed at 3 retailers as of October 31, 2026, with prices from $22,993 to $27,143, a $4,151 spread on the same certified stone. Blue Nile lists it at $27,143. 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
H
Color
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30°
Pavilion angle55.2°
OriginNatural
Grading LabGIA
CertificateGIA 6545978868
Dimensions9.59 × 7.73 × 5.27 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Pinpoint
Top View
9.59 mm7.73 mm3.00 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545978868
Side View
Table 70.0%Crown 30°Girdle: STK-VTKPavilion 55.2°Culet: NDepth 68.2%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $27,143 USD|Low: $22,993 USD|High: $28,794 USD|Avg: $26,840 USD|-5.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$22,993 USD
Retailer 3$25,201 USD
Blue Nile$27,143 USD
Retailer 4$28,394 USD

40 data points across 4 retailers

3 retailers$22,993 USD to $27,143 USD

A
Cheapest Retailer
-
$22,993 USD
£18,104 GBP
B+
Retailer 2
-
$25,201 USD
View
Most Expensive
B+
Blue Nile
28820832 · Oct 31
$27,143 USD
View
2 more retailers have this diamond
Prices start from $22,993 USDSave up to $4,151 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.

A
3.00ct Cushion
$22,993 USD