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Oval|Natural|GIA

1.28ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 7542367540

Certificate GIA 7542367540

Diamond specifications and retailer prices

From $3,494 AUD
As of November 4, 2026
Save $3,855 AUD (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,349 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.28ct natural oval diamond

This 1.28ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7542367540. Listed at 5 retailers as of November 4, 2026, with prices from $3,494 to $7,349, a $3,855 spread on the same certified stone. MOH London lists it at $7,349. 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

1.28
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7542367540
Dimensions8.48 × 6.06 × 3.81 mm
L/W Ratio1.40
Cert comments
Additional twinning wisps, additional clouds, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Cloud, Feather, Crystal, Cavity, Needle, Indented Natural, Natural, Extra Facet
Top View
8.48 mm6.06 mm1.28 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7542367540
Side View
Table 57.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 62.9%

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 4
Current: $7,349 AUD|Low: $2,860 AUD|High: $7,458 AUD|Avg: $4,845 AUD|+5.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$3,494 AUD
Retailer 5$3,733 AUD
Retailer 2$4,637 AUD
Retailer 3$5,156 AUD
MOH London$7,349 AUD

40 data points across 5 retailers

5 retailers$3,494 AUD to $7,349 AUD

A
Cheapest Retailer
-
$3,494 AUD
Final sale: no returns
A
Retailer 2
-
$3,733 AUD
View
A
Retailer 3
-
$4,637 AUD
View
B+
Retailer 4
-
$5,156 AUD
View
Most Expensive
B
MOH London
8ACAE822A · Nov 4
$7,349 AUD
£3,976 GBP
View
4 more retailers have this diamond
Prices start from $3,494 AUDSave up to $3,855 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
1.28ct Oval
$3,494 AUD