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Cushion|Natural|GIA

0.34ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2557379740

Certificate GIA 2557379740

Diamond specifications and retailer prices

From $539 AUD
$378 USD
As of November 1, 2026
Save $765 AUD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,305 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 0.34ct natural cushion diamond

This 0.34ct 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 2557379740. Listed at 9 retailers as of November 1, 2026, with prices from $539 to $1,305, a $765 spread on the same certified stone. MOH London lists it at $1,305. 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

0.34
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557379740
Dimensions3.93 × 3.88 × 2.69 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud
Top View
3.93 mm3.88 mm0.34 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557379740
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NDepth 69.2%

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: $1,305 AUD|Low: $433 AUD|High: $1,312 AUD|Avg: $834 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$539 AUD
Retailer 5$608 AUD
Retailer 2$738 AUD
Retailer 4$774 AUD
Retailer 9$778 AUD
Retailer 3$876 AUD
Retailer 8$899 AUD
Retailer 6$1,025 AUD
MOH London$1,305 AUD

45 data points across 9 retailers

9 retailers$539 AUD to $1,305 AUD

A
Cheapest Retailer
-
$539 AUD
$378 USD
B+
Retailer 2
-
$608 AUD
$426 USD
View
B
Retailer 3
-
$738 AUD
£407 GBP
View
B+
Retailer 4
-
$774 AUD
£427 GBP
View
Retailer 5
-
$778 AUD
$545 USD
View
Price last confirmed 9 days ago
B
Retailer 6
-
$876 AUD
ZAR 9,920 ZAR
View
Retailer 7
-
$899 AUD
View
Price last confirmed 29 days ago
B
Retailer 8
-
$1,025 AUD
€684 EUR
View
Most Expensive
B
MOH London
65B0194A6 · Nov 2
$1,305 AUD
£720 GBP
View
8 more retailers have this diamond
Prices start from $539 AUDSave up to $765 AUD

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
0.34ct Cushion
$539 AUD