CaratHunter
Plans
Cushion|Natural|GIA

0.30ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 5553942605

Certificate GIA 5553942605

Diamond specifications and retailer prices

From $188 USD
₹17,948 INR
As of November 1, 2026
Save $403 USD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $592 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 F 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 5553942605. Listed at 14 retailers as of November 1, 2026, with prices from $188 to $592, a $403 spread on the same certified stone. MOH London lists it at $592. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle35.1°
Pavilion angle35.9°
OriginNatural
Grading LabGIA
CertificateGIA 5553942605
Dimensions3.99 × 3.79 × 2.58 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizeNone
Top View
3.99 mm3.79 mm0.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5553942605
Side View
Table 64.0%Crown 35.1°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 68.0%

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: Nov 1
Current: $592 USD|Low: $188 USD|High: $612 USD|Avg: $339 USD|-3.3%
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
November 2, 2026
Retailer 7$188 USD
Retailer 5$230 USD
Retailer 11$237 USD
Retailer 12$261 USD
Retailer 10$276 USD
Retailer 4$289 USD
Retailer 6$323 USD
Retailer 9$351 USD
Retailer 3$384 USD
Retailer 13$391 USD
Retailer 8$397 USD
Retailer 2$454 USD
MOH London$592 USD

26 data points across 13 retailers

14 retailers$188 USD to $592 USD

A
Cheapest Retailer
-
$188 USD
₹17,948 INR
A
Retailer 2
-
$230 USD
HK$1,800 HKD
View
A
Retailer 3
-
$237 USD
View
Final sale: no returns
A
Retailer 4
-
$261 USD
View
A
Retailer 5
-
$276 USD
View
A
Retailer 6
-
$289 USD
SGD 390 SGD
View
A
Retailer 7
-
$323 USD
£254 GBP
View
A
Retailer 8
-
$351 USD
£277 GBP
View
A
Retailer 9
-
$384 USD
View
A
Retailer 10
-
$391 USD
View
A
Retailer 11
-
$397 USD
ZAR 6,421 ZAR
View
Retailer 12
-
$443 USD
A$682 AUD
View
Price last confirmed 28 days ago
B+
Retailer 13
-
$454 USD
€432 EUR
View
Most Expensive
B+
MOH London
F0808E3B0 · Nov 1
$592 USD
£466 GBP
View
13 more retailers have this diamond
Prices start from $188 USDSave up to $403 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
$188 USD