Cushion|Natural|GIA

0.30ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 2557052790

Certificate GIA 2557052790

Diamond specifications and retailer prices

From €339 EUR
$379 USD
As of October 30, 2026
Save €463 EUR (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €803 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.3ct natural cushion diamond

This 0.3ct natural cushion sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557052790. Listed at 16 retailers as of October 30, 2026, with prices from €339 to €803, a €463 spread on the same certified stone. MOH London lists it at €803. 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

0.30
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle37.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557052790
Dimensions3.81 × 3.73 × 2.61 mm
L/W Ratio1.02
Top View
3.81 mm3.73 mm0.30 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557052790
Side View
Table 65.0%Crown 32°Girdle: MED-VTKPavilion 37.2°Culet: NoneDepth 70.0%

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 30
Current: €803 EUR|Low: €207 EUR|High: €812 EUR|Avg: €411 EUR|+19.5%
MOH London
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
Retailer 18
Retailer 19
November 1, 2026
Retailer 5€207 EUR
Retailer 6€241 EUR
Retailer 8€260 EUR
Retailer 11€303 EUR
Retailer 4€328 EUR
Retailer 3€339 EUR
Retailer 10€360 EUR
Retailer 17€363 EUR
Retailer 15€383 EUR
Retailer 9€397 EUR
Retailer 12€428 EUR
Retailer 7€460 EUR
Retailer 19€473 EUR
Retailer 16€487 EUR
Retailer 18€519 EUR
Retailer 14€551 EUR
Retailer 13€646 EUR
Retailer 2€704 EUR
MOH London€803 EUR

33 data points across 19 retailers

16 retailers€339 EUR to €803 EUR

Retailer 1
-
€207 EUR
₹22,046 INR
Price last confirmed 18 days ago
Retailer 2
-
€241 EUR
HK$2,100 HKD
View
Price last confirmed 27 days ago
Retailer 3
-
€260 EUR
$290 USD
View
Price last confirmed 23 days ago
Retailer 4
-
€303 EUR
SGD 457 SGD
View
Price last confirmed 24 days ago
A
Retailer 5
-
€339 EUR
$379 USD
View
Retailer 6
-
€363 EUR
$405 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
€383 EUR
$428 USD
View
B+
Retailer 8
-
€428 EUR
£377 GBP
View
Retailer 9
-
€460 EUR
A$791 AUD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
€473 EUR
$528 USD
View
B+
Retailer 11
-
€487 EUR
£429 GBP
View
B
Retailer 12
-
€519 EUR
$580 USD
View
B
Retailer 13
-
€551 EUR
ZAR 9,953 ZAR
View
B
Retailer 14
-
€646 EUR
View
B
Retailer 15
-
€704 EUR
£619 GBP
View
Most Expensive
B
MOH London
C3FF5DD05 · Nov 1
€803 EUR
£706 GBP
View
15 more retailers have this diamond
Prices start from €339 EURSave up to €463 EUR

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
0.30ct Cushion
€339 EUR