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Oval|Natural|GIA

1.55ct K SI1 Oval Natural Diamond

ID • K/SI1 • GIA 6555725838

Certificate GIA 6555725838

Diamond specifications and retailer prices

From $3,446 AUD
As of November 6, 2026
Save $3,231 AUD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,678 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.55ct natural oval diamond

This 1.55ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555725838. Listed at 8 retailers as of November 6, 2026, with prices from $3,446 to $6,678, a $3,231 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,678. 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

1.55
Carat
K
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555725838
Dimensions9.05 × 6.33 × 4.07 mm
L/W Ratio1.43
Top View
9.05 mm6.33 mm1.55 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555725838
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.3%

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 6
Current: $3,499 AUD|Low: $3,427 AUD|High: $6,678 AUD|Avg: $4,501 AUD|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 3$3,446 AUD
Retailer 1$3,499 AUD
Retailer 5$3,925 AUD
Retailer 7$4,152 AUD
Retailer 4$4,343 AUD
Retailer 6$4,800 AUD
Retailer 2$5,404 AUD
Wholesale Diamonds Direct$6,678 AUD

46 data points across 8 retailers

8 retailers$3,446 AUD to $6,678 AUD

A
Cheapest Retailer
-
$3,446 AUD
A
Retailer 2
-
$3,499 AUD
View
A
Retailer 3
-
$3,925 AUD
View
A
Retailer 4
-
$4,152 AUD
View
A
Retailer 5
-
$4,343 AUD
View
A
Retailer 6
-
$4,800 AUD
View
A
Retailer 7
-
$5,404 AUD
View
Most Expensive
B+
Wholesale Diamonds Direct
626629699 · Nov 6
$6,678 AUD
$4,588 USD
View
7 more retailers have this diamond
Prices start from $3,446 AUDSave up to $3,231 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
1.55ct Oval
$3,446 AUD