Cushion|Natural|GIA

0.30ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 6545355198

Certificate GIA 6545355198

Diamond specifications and retailer prices

From $249 USD
₹23,746 INR
As of October 31, 2026
Save $560 USD (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $809 USD 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 $249 to $809, a $560 spread on the same certified stone. MOH London lists it at $809. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $809 USD|Low: $249 USD|High: $997 USD|Avg: $541 USD|-18.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$249 USD
Retailer 7$404 USD
Retailer 2$454 USD
Retailer 10$459 USD
Retailer 6$480 USD
Retailer 8$495 USD
Retailer 5$543 USD
Retailer 4$647 USD
Retailer 9$683 USD
MOH London$809 USD

35 data points across 10 retailers

9 retailers$249 USD to $809 USD

A
Cheapest Retailer
-
$249 USD
₹23,746 INR
B+
Retailer 2
-
$404 USD
View
B+
Retailer 3
-
$454 USD
£357 GBP
View
B+
Retailer 4
-
$480 USD
£378 GBP
View
B+
Retailer 5
-
$495 USD
View
B
Retailer 6
-
$543 USD
ZAR 8,771 ZAR
View
B
Retailer 7
-
$647 USD
€616 EUR
View
Retailer 8
-
$683 USD
A$1,051 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
100EA79A0 · Nov 1
$809 USD
£637 GBP
View
8 more retailers have this diamond
Prices start from $249 USDSave up to $560 USD

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
$249 USD