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Cushion|Natural|GIA

6.15ct E VS1 Cushion Natural Diamond

VG • E/VS1 • GIA 2235837599

Certificate GIA 2235837599

Diamond specifications and retailer prices

From $305,731 AUD
$214,759 USD
As of October 28, 2026
Save $71,275 AUD (19%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $377,006 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 6.15ct natural cushion diamond

This 6.15ct natural cushion sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2235837599. Listed at 14 retailers as of October 28, 2026, with prices from $305,731 to $377,006, a $71,275 spread on the same certified stone. Reve Diamonds lists it at $377,006. 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

6.15
Carat
E
Colour
VS1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle37°
OriginNatural
Grading LabGIA
CertificateGIA 2235837599
Dimensions12.90 × 9.56 × 6.36 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
12.90 mm9.56 mm6.15 ctE / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235837599
Side View
Table 63.0%Crown 36.9°Girdle: MED-THKPavilion 37°Culet: NoneDepth 66.5%

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 28
Current: $351,360 AUD|Low: $305,731 AUD|High: $556,788 AUD|Avg: $363,917 AUD|+0.3%
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 2$305,731 AUD
Retailer 11$317,039 AUD
Retailer 4$320,847 AUD
Retailer 14$327,974 AUD
Retailer 5$339,749 AUD
Retailer 13$347,906 AUD
Retailer 1$351,360 AUD
Retailer 3$352,063 AUD
Retailer 15$352,267 AUD
Retailer 7$359,022 AUD
Retailer 8$360,242 AUD
Retailer 9$360,242 AUD
Retailer 17$371,603 AUD
Retailer 6$372,257 AUD
Retailer 10$375,691 AUD
Reve Diamonds$377,006 AUD
Retailer 16$418,308 AUD
Retailer 12$555,315 AUD

13 data points across 18 retailers

14 retailers$305,731 AUD to $377,006 AUD

B+
Cheapest Retailer
-
$305,731 AUD
$214,759 USD
B+
Retailer 2
-
$317,039 AUD
$222,702 USD
View
Final sale: no returns
Retailer 3
-
$327,974 AUD
View
Price last confirmed 27 days ago
B+
Retailer 4
-
$339,749 AUD
$238,655 USD
View
B+
Retailer 5
-
$351,360 AUD
View
B
Retailer 6
-
$352,063 AUD
$247,305 USD
View
Retailer 7
-
$352,267 AUD
$247,448 USD
View
Price last confirmed 23 days ago
B
Retailer 8
-
$359,022 AUD
$252,193 USD
View
B
Retailer 9
-
$360,242 AUD
$253,050 USD
View
B
Retailer 10
-
$360,242 AUD
$253,050 USD
View
B
Retailer 11
-
$371,603 AUD
£205,536 GBP
View
B
Retailer 12
-
$372,257 AUD
$261,490 USD
View
B
Retailer 13
-
$375,691 AUD
£207,797 GBP
View
Most Expensive
B
Reve Diamonds
BF28DDAB0 · Oct 30
$377,006 AUD
$264,825 USD
View
13 more retailers have this diamond
Prices start from $305,731 AUDSave up to $71,275 AUD

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+
6.15ct Cushion
$305,731 AUD