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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 $422 NZD
₹22,594 INR
As of November 2, 2026
Save $946 NZD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,368 NZD 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 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 November 1, 2026, with prices from $422 to $1,368, a $946 spread on the same certified stone. MOH London lists it at $1,368. 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: Nov 2
Current: $1,368 NZD|Low: $421 NZD|High: $1,634 NZD|Avg: $915 NZD|-16.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$422 NZD
Retailer 8$638 NZD
Retailer 10$684 NZD
Retailer 4$765 NZD
Retailer 7$812 NZD
Retailer 11$855 NZD
Retailer 9$863 NZD
Retailer 5$919 NZD
Retailer 6$1,103 NZD
Retailer 3$1,120 NZD
MOH London$1,368 NZD

36 data points across 11 retailers

11 retailers$422 NZD to $1,368 NZD

A
Cheapest Retailer
-
$422 NZD
₹22,594 INR
B+
Retailer 2
-
$638 NZD
$359 USD
View
B+
Retailer 3
-
$684 NZD
$385 USD
View
B+
Retailer 4
-
$765 NZD
£339 GBP
View
B
Retailer 5
-
$812 NZD
£360 GBP
View
B
Retailer 6
-
$855 NZD
$481 USD
View
B
Retailer 7
-
$863 NZD
$485 USD
View
B
Retailer 8
-
$919 NZD
ZAR 8,351 ZAR
View
B
Retailer 9
-
$1,103 NZD
€591 EUR
View
Retailer 10
-
$1,120 NZD
A$969 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
C83572BD0 · Nov 1
$1,368 NZD
£606 GBP
View
10 more retailers have this diamond
Prices start from $422 NZDSave up to $946 NZD

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
$422 NZD