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Cushion|Natural|GIA

3.05ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 6315419326

Certificate GIA 6315419326

Diamond specifications and retailer prices

From £24,248 GBP
$32,290 USD
As of October 28, 2026
Save £10,845 GBP (31%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £35,093 GBP at Yorxs · As of October 29, 2026
View at Yorxs

About this 3.05ct natural cushion diamond

This 3.05ct natural cushion sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6315419326. Listed at 19 retailers as of October 28, 2026, with prices from £24,248 to £35,093, a £10,845 spread on the same certified stone. Yorxs lists it at £35,093. 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

3.05
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6315419326
Dimensions8.34 × 8.24 × 5.64 mm
L/W Ratio1.01
Top View
8.34 mm8.24 mm3.05 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6315419326
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.5%

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 28
Current: £27,022 GBP|Low: £24,248 GBP|High: £35,093 GBP|Avg: £28,840 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
October 30, 2026
Retailer 3£24,248 GBP
Retailer 6£25,990 GBP
Retailer 1£27,022 GBP
Retailer 5£28,616 GBP
Retailer 2£29,322 GBP
Retailer 4£31,202 GBP
Yorxs£35,093 GBP

40 data points across 7 retailers

19 retailers£24,248 GBP to £35,093 GBP

A
Cheapest Retailer
-
£24,248 GBP
$32,290 USD
A
Retailer 2
-
£25,990 GBP
$34,610 USD
View
A
Retailer 3
-
£27,022 GBP
₹3,427,154 INR
View
A
Retailer 4
-
£27,026 GBP
$35,990 USD
View
A
Retailer 5
-
£27,242 GBP
$36,278 USD
View
A
Retailer 6
-
£27,627 GBP
$36,791 USD
View
A
Retailer 7
-
£27,886 GBP
$37,135 USD
View
A
Retailer 8
-
£27,983 GBP
CA$51,757 CAD
View
A
Retailer 9
-
£28,310 GBP
A$57,999 AUD
View
B+
Retailer 10
-
£28,616 GBP
$38,107 USD
View
A
Retailer 11
-
£29,322 GBP
View
B+
Retailer 12
-
£29,669 GBP
$39,510 USD
View
B+
Retailer 13
-
£29,669 GBP
$39,510 USD
View
B+
Retailer 14
-
£30,121 GBP
$40,111 USD
View
B+
Retailer 15
-
£30,660 GBP
$40,830 USD
View
B+
Retailer 16
-
£31,202 GBP
SGD 56,151 SGD
View
B+
Retailer 17
-
£31,394 GBP
A$64,318 AUD
View
B
Retailer 18
-
£35,003 GBP
$46,613 USD
View
Most Expensive
B+
Yorxs
496767677 · Oct 29
£35,093 GBP
€44,507 EUR
View
18 more retailers have this diamond
Prices start from £24,248 GBPSave up to £10,845 GBP

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
3.05ct Cushion
£24,248 GBP