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Cushion|Natural|GIA

0.30ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1555421216

Certificate GIA 1555421216

Diamond specifications and retailer prices

From $306 SGD
₹22,702 INR
As of October 29, 2026
Save $688 SGD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $993 SGD 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 H 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 1555421216. Listed at 11 retailers as of October 29, 2026, with prices from $306 to $993, a $688 spread on the same certified stone. MOH London lists it at $993. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555421216
Dimensions3.82 × 3.81 × 2.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
3.82 mm3.81 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555421216
Side View
Table 62.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 67.0%

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: Oct 29
Current: $993 SGD|Low: $304 SGD|High: $1,179 SGD|Avg: $668 SGD|-15.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 2$306 SGD
Retailer 8$460 SGD
Retailer 10$494 SGD
Retailer 5$548 SGD
Retailer 6$586 SGD
Retailer 11$617 SGD
Retailer 9$622 SGD
Retailer 7$661 SGD
Retailer 4$796 SGD
Retailer 3$808 SGD
MOH London$993 SGD

35 data points across 11 retailers

11 retailers$306 SGD to $993 SGD

A
Cheapest Retailer
-
$306 SGD
₹22,702 INR
Retailer 2
-
$460 SGD
$359 USD
View
B+
Retailer 3
-
$494 SGD
$385 USD
View
B+
Retailer 4
-
$548 SGD
£337 GBP
View
B
Retailer 5
-
$586 SGD
£360 GBP
View
B
Retailer 6
-
$617 SGD
$481 USD
View
B
Retailer 7
-
$622 SGD
$485 USD
View
B
Retailer 8
-
$661 SGD
ZAR 8,334 ZAR
View
B
Retailer 9
-
$796 SGD
€591 EUR
View
B
Retailer 10
-
$808 SGD
A$969 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
C83572BD0 · Oct 29
$993 SGD
£610 GBP
View
10 more retailers have this diamond
Prices start from $306 SGDSave up to $688 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
$306 SGD