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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 $3,069 SGD
$2,401 USD
As of October 31, 2026
Save $3,412 SGD (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,481 SGD at MOH London · As of October 26, 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 October 26, 2026, with prices from $3,069 to $6,481, a $3,412 spread on the same certified stone. MOH London lists it at $6,481. 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: Oct 31
Current: $6,481 SGD|Low: $2,512 SGD|High: $6,551 SGD|Avg: $4,205 SGD|+5.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4$3,069 SGD
Retailer 5$3,279 SGD
Retailer 2$4,138 SGD
Retailer 3$4,532 SGD
MOH London$6,481 SGD

37 data points across 5 retailers

5 retailers$3,069 SGD to $6,481 SGD

A
Cheapest Retailer
-
$3,069 SGD
$2,401 USD
Final sale: no returns
A
Retailer 2
-
$3,279 SGD
$2,565 USD
View
B+
Retailer 3
-
$4,138 SGD
£2,549 GBP
View
B+
Retailer 4
-
$4,532 SGD
€3,376 EUR
View
Most Expensive
B
MOH London
8ACAE822A · Oct 26
$6,481 SGD
£3,992 GBP
View
4 more retailers have this diamond
Prices start from $3,069 SGDSave up to $3,412 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
1.28ct Oval
$3,069 SGD