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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 $506 SGD
$395 USD
As of October 28, 2026
Save $604 SGD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,110 SGD at MOH London · As of October 26, 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 13 retailers as of October 26, 2026, with prices from $506 to $1,110, a $604 spread on the same certified stone. MOH London lists it at $1,110. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,110 SGD|Low: $359 SGD|High: $1,114 SGD|Avg: $690 SGD|-0.3%
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
October 29, 2026
Retailer 5$359 SGD
Retailer 11$506 SGD
Retailer 4$572 SGD
Retailer 7$638 SGD
Retailer 13$650 SGD
Retailer 10$658 SGD
Retailer 8$673 SGD
Retailer 3$680 SGD
Retailer 12$727 SGD
Retailer 9$759 SGD
Retailer 6$894 SGD
Retailer 2$977 SGD
MOH London$1,110 SGD

13 data points across 13 retailers

13 retailers$506 SGD to $1,110 SGD

A
Retailer 1
-
$359 SGD
$280 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$506 SGD
$395 USD
View
B+
Retailer 3
-
$572 SGD
$446 USD
View
Price last confirmed 13 days ago
B+
Retailer 4
-
$638 SGD
£392 GBP
View
B+
Retailer 5
-
$650 SGD
$507 USD
View
B+
Retailer 6
-
$658 SGD
$514 USD
View
B+
Retailer 7
-
$673 SGD
£413 GBP
View
B
Retailer 8
-
$680 SGD
$531 USD
View
B+
Retailer 9
-
$727 SGD
$567 USD
View
B+
Retailer 10
-
$759 SGD
ZAR 9,570 ZAR
View
B
Retailer 11
-
$894 SGD
€664 EUR
View
B
Retailer 12
-
$977 SGD
£600 GBP
View
Most Expensive
B
MOH London
AABEE4D56 · Oct 26
$1,110 SGD
£682 GBP
View
12 more retailers have this diamond
Prices start from $506 SGDSave up to $604 SGD

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
$506 SGD