CaratHunter
Plans
Cushion|Natural|GIA

0.30ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 6545355198

Certificate GIA 6545355198

Diamond specifications and retailer prices

From £186 GBP
₹23,746 INR
As of October 31, 2026
Save £418 GBP (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £604 GBP 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 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 6545355198. Listed at 9 retailers as of October 31, 2026, with prices from £186 to £604, a £418 spread on the same certified stone. MOH London lists it at £604. 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
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545355198
Dimensions3.82 × 3.78 × 2.60 mm
L/W Ratio1.01
Top View
3.82 mm3.78 mm0.30 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6545355198
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.9%

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 31
Current: £604 GBP|Low: £186 GBP|High: £610 GBP|Avg: £392 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3£186 GBP
Retailer 7£302 GBP
Retailer 2£339 GBP
Retailer 10£343 GBP
Retailer 6£358 GBP
Retailer 8£369 GBP
Retailer 5£405 GBP
Retailer 4£483 GBP
Retailer 9£510 GBP
MOH London£604 GBP

36 data points across 10 retailers

9 retailers£186 GBP to £604 GBP

A
Cheapest Retailer
-
£186 GBP
₹23,746 INR
B+
Retailer 2
-
£302 GBP
$404 USD
View
B+
Retailer 3
-
£339 GBP
View
B+
Retailer 4
-
£358 GBP
View
B+
Retailer 5
-
£369 GBP
$495 USD
View
B
Retailer 6
-
£405 GBP
ZAR 8,771 ZAR
View
B
Retailer 7
-
£483 GBP
€616 EUR
View
Retailer 8
-
£510 GBP
A$1,051 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
100EA79A0 · Nov 1
£604 GBP
View
8 more retailers have this diamond
Prices start from £186 GBPSave up to £418 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
£186 GBP