CaratHunter
Plans
Cushion|Natural|GIA

0.30ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 2557052790

Certificate GIA 2557052790

Diamond specifications and retailer prices

From £276 GBP
$367 USD
As of October 27, 2026
Save £402 GBP (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £677 GBP at MOH London · As of October 29, 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 17 retailers as of October 27, 2026, with prices from £276 to £677, a £402 spread on the same certified stone. MOH London lists it at £677. 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
Colour
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 27
Current: £677 GBP|Low: £174 GBP|High: £681 GBP|Avg: £341 GBP|+20.1%
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
October 29, 2026
Retailer 5£174 GBP
Retailer 6£202 GBP
Retailer 8£218 GBP
Retailer 11£254 GBP
Retailer 4£276 GBP
Retailer 3£285 GBP
Retailer 10£302 GBP
Retailer 17£304 GBP
Retailer 2£321 GBP
Retailer 9£333 GBP
Retailer 14£357 GBP
Retailer 7£386 GBP
Retailer 19£397 GBP
Retailer 15£409 GBP
Retailer 18£436 GBP
Retailer 16£462 GBP
Retailer 13£540 GBP
Retailer 12£594 GBP
MOH London£677 GBP

31 data points across 19 retailers

17 retailers£276 GBP to £677 GBP

A
Retailer 1
-
£174 GBP
₹22,046 INR
Price last confirmed 15 days ago
A
Retailer 2
-
£202 GBP
HK$2,100 HKD
View
Price last confirmed 24 days ago
A
Retailer 3
-
£218 GBP
$290 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
£254 GBP
SGD 457 SGD
View
Price last confirmed 21 days ago
A
Retailer 5
-
£276 GBP
$367 USD
View
Final sale: no returns
A
Retailer 6
-
£285 GBP
$379 USD
View
A
Retailer 7
-
£304 GBP
$405 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
£321 GBP
$428 USD
View
B+
Retailer 9
-
£357 GBP
View
B+
Retailer 10
-
£386 GBP
A$791 AUD
View
Price last confirmed 26 days ago
B+
Retailer 11
-
£397 GBP
$528 USD
View
B+
Retailer 12
-
£409 GBP
View
B
Retailer 13
-
£436 GBP
$580 USD
View
B
Retailer 14
-
£462 GBP
ZAR 9,933 ZAR
View
B
Retailer 15
-
£540 GBP
€685 EUR
View
B
Retailer 16
-
£594 GBP
View
Most Expensive
B
MOH London
C3FF5DD05 · Oct 29
£677 GBP
View
16 more retailers have this diamond
Prices start from £276 GBPSave up to £402 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
0.30ct Cushion
£276 GBP