Cushion|Natural|GIA

0.30ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 7551182975

Certificate GIA 7551182975

Diamond specifications and retailer prices

From £336 GBP
$450 USD
As of November 1, 2026
Save £359 GBP (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £695 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551182975. Listed at 11 retailers as of October 29, 2026, with prices from £336 to £695, a £359 spread on the same certified stone. MOH London lists it at £695. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551182975
Dimensions4.55 × 3.46 × 2.35 mm
L/W Ratio1.32
Girdle conditionVery Thick to Extremely Thick
Key to symbols
Feather
Top View
4.55 mm3.46 mm0.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551182975
Side View
Table 68.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 67.8%

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: Nov 1
Current: £695 GBP|Low: £203 GBP|High: £707 GBP|Avg: £382 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11£203 GBP
Retailer 4£239 GBP
Retailer 3£292 GBP
Retailer 12£302 GBP
Retailer 9£336 GBP
Retailer 2£366 GBP
Retailer 8£404 GBP
Retailer 7£419 GBP
Retailer 10£423 GBP
Retailer 6£474 GBP
Retailer 5£494 GBP
MOH London£695 GBP

41 data points across 12 retailers

11 retailers£336 GBP to £695 GBP

Retailer 1
-
£203 GBP
₹25,933 INR
Price last confirmed 19 days ago
Retailer 2
-
£239 GBP
HK$2,500 HKD
View
Price last confirmed 34 days ago
Retailer 3
-
£292 GBP
SGD 528 SGD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
£336 GBP
$450 USD
View
B+
Retailer 5
-
£366 GBP
View
B
Retailer 6
-
£404 GBP
$541 USD
View
B+
Retailer 7
-
£419 GBP
View
B+
Retailer 8
-
£423 GBP
$567 USD
View
B
Retailer 9
-
£474 GBP
ZAR 10,271 ZAR
View
B
Retailer 10
-
£494 GBP
€630 EUR
View
Most Expensive
B
MOH London
671FEE75F · Oct 29
£695 GBP
View
10 more retailers have this diamond
Prices start from £336 GBPSave up to £359 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.

B+
0.30ct Cushion
£336 GBP