Cushion|Natural|GIA

0.30ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 7551182975

Certificate GIA 7551182975

Diamond specifications and retailer prices

From $450 USD
As of October 28, 2026
Save $481 USD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $931 USD 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 12 retailers as of October 28, 2026, with prices from $450 to $931, a $481 spread on the same certified stone. MOH London lists it at $931. 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
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 →
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 28
Current: $931 USD|Low: $272 USD|High: $947 USD|Avg: $502 USD|+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
October 29, 2026
Retailer 11$272 USD
Retailer 4$320 USD
Retailer 3$391 USD
Retailer 12$405 USD
Retailer 9$450 USD
Retailer 5$487 USD
Retailer 8$541 USD
Retailer 6$562 USD
Retailer 10$567 USD
Retailer 7$634 USD
Retailer 2$659 USD
MOH London$931 USD

40 data points across 12 retailers

12 retailers$450 USD to $931 USD

A
Retailer 1
-
$272 USD
₹25,933 INR
Price last confirmed 15 days ago
A
Retailer 2
-
$320 USD
HK$2,500 HKD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$391 USD
SGD 528 SGD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$405 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$450 USD
View
B+
Retailer 6
-
$487 USD
£384 GBP
View
B
Retailer 7
-
$541 USD
View
B+
Retailer 8
-
$562 USD
£442 GBP
View
B+
Retailer 9
-
$567 USD
View
B
Retailer 10
-
$634 USD
ZAR 10,250 ZAR
View
B
Retailer 11
-
$659 USD
€628 EUR
View
Most Expensive
B
MOH London
671FEE75F · Oct 29
$931 USD
£733 GBP
View
11 more retailers have this diamond
Prices start from $450 USDSave up to $481 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
$450 USD