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Cushion|Natural|GIA

0.30ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 2566559865

Certificate GIA 2566559865

Diamond specifications and retailer prices

From €354 EUR
$395 USD
As of October 28, 2026
Save €421 EUR (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €774 EUR 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 2566559865. Listed at 12 retailers as of October 28, 2026, with prices from €354 to €774, a €421 spread on the same certified stone. MOH London lists it at €774. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle32.3°
OriginNatural
Grading LabGIA
CertificateGIA 2566559865
Dimensions3.83 × 3.77 × 2.47 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizeNone
Top View
3.83 mm3.77 mm0.30 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566559865
Side View
Table 63.0%Crown 37.6°Girdle: THN-THKPavilion 32.3°Culet: NoneDepth 65.6%

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: €774 EUR|Low: €251 EUR|High: €778 EUR|Avg: €485 EUR|-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
Retailer 13
November 1, 2026
Retailer 5€251 EUR
Retailer 11€354 EUR
Retailer 4€399 EUR
Retailer 6€448 EUR
Retailer 13€454 EUR
Retailer 10€460 EUR
Retailer 9€470 EUR
Retailer 3€475 EUR
Retailer 12€508 EUR
Retailer 8€531 EUR
Retailer 7€625 EUR
Retailer 2€678 EUR
MOH London€774 EUR

16 data points across 13 retailers

12 retailers€354 EUR to €774 EUR

Retailer 1
-
€251 EUR
$280 USD
Price last confirmed 18 days ago
A
Retailer 2
-
€354 EUR
$395 USD
View
B+
Retailer 3
-
€448 EUR
£394 GBP
View
B+
Retailer 4
-
€454 EUR
$507 USD
View
B+
Retailer 5
-
€460 EUR
$514 USD
View
B+
Retailer 6
-
€470 EUR
£413 GBP
View
B
Retailer 7
-
€475 EUR
$531 USD
View
B+
Retailer 8
-
€508 EUR
$567 USD
View
B+
Retailer 9
-
€531 EUR
ZAR 9,589 ZAR
View
B
Retailer 10
-
€625 EUR
View
B
Retailer 11
-
€678 EUR
£596 GBP
View
Most Expensive
B
MOH London
AABEE4D56 · Nov 1
€774 EUR
£681 GBP
View
11 more retailers have this diamond
Prices start from €354 EURSave up to €421 EUR

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
€354 EUR