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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 HK$253,338 HKD
$32,290 USD
As of October 28, 2026
Save HK$113,310 HKD (31%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$366,648 HKD 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 HK$253,338 to HK$366,648, a HK$113,310 spread on the same certified stone. Yorxs lists it at HK$366,648. 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: HK$282,328 HKD|Low: HK$253,338 HKD|High: HK$366,648 HKD|Avg: HK$301,316 HKD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
October 30, 2026
Retailer 3HK$253,338 HKD
Retailer 6HK$271,540 HKD
Retailer 1HK$282,328 HKD
Retailer 5HK$298,976 HKD
Retailer 2HK$306,354 HKD
Retailer 4HK$326,002 HKD
YorxsHK$366,648 HKD

40 data points across 7 retailers

19 retailersHK$253,338 HKD to HK$366,648 HKD

A
Cheapest Retailer
-
HK$253,338 HKD
$32,290 USD
A
Retailer 2
-
HK$271,540 HKD
$34,610 USD
View
A
Retailer 3
-
HK$282,328 HKD
₹3,427,154 INR
View
A
Retailer 4
-
HK$282,367 HKD
$35,990 USD
View
A
Retailer 5
-
HK$284,629 HKD
$36,278 USD
View
A
Retailer 6
-
HK$288,651 HKD
$36,791 USD
View
A
Retailer 7
-
HK$291,350 HKD
$37,135 USD
View
A
Retailer 8
-
HK$292,368 HKD
CA$51,757 CAD
View
A
Retailer 9
-
HK$295,779 HKD
A$57,999 AUD
View
B+
Retailer 10
-
HK$298,976 HKD
$38,107 USD
View
A
Retailer 11
-
HK$306,354 HKD
£30,746 GBP
View
B+
Retailer 12
-
HK$309,984 HKD
$39,510 USD
View
B+
Retailer 13
-
HK$309,984 HKD
$39,510 USD
View
B+
Retailer 14
-
HK$314,699 HKD
$40,111 USD
View
B+
Retailer 15
-
HK$320,340 HKD
$40,830 USD
View
B+
Retailer 16
-
HK$326,002 HKD
SGD 56,151 SGD
View
B+
Retailer 17
-
HK$328,003 HKD
A$64,318 AUD
View
B
Retailer 18
-
HK$365,712 HKD
$46,613 USD
View
Most Expensive
B+
Yorxs
496767677 · Oct 29
HK$366,648 HKD
€44,507 EUR
View
18 more retailers have this diamond
Prices start from HK$253,338 HKDSave up to HK$113,310 HKD

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
HK$253,338 HKD