Oval|Natural|GIA

1.55ct K SI1 Oval Natural Diamond

ID • K/SI1 • GIA 6555725838

Certificate GIA 6555725838

Diamond specifications and retailer prices

From $2,368 USD
As of November 6, 2026
Save $2,220 USD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,588 USD 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 $2,368 to $4,588, a $2,220 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,588. 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
Color
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
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Price History

Last verified: Nov 6
Current: $2,404 USD|Low: $2,355 USD|High: $4,588 USD|Avg: $3,093 USD|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 3$2,368 USD
Retailer 1$2,404 USD
Retailer 5$2,697 USD
Retailer 7$2,853 USD
Retailer 4$2,984 USD
Retailer 6$3,298 USD
Retailer 2$3,713 USD
Wholesale Diamonds Direct$4,588 USD

46 data points across 8 retailers

8 retailers$2,368 USD to $4,588 USD

A
Cheapest Retailer
-
$2,368 USD
A
Retailer 2
-
$2,404 USD
View
A
Retailer 3
-
$2,697 USD
View
A
Retailer 4
-
$2,853 USD
View
A
Retailer 5
-
$2,984 USD
View
A
Retailer 6
-
$3,298 USD
View
A
Retailer 7
-
$3,713 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
626629699 · Nov 6
$4,588 USD
View
7 more retailers have this diamond
Prices start from $2,368 USDSave up to $2,220 USD

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
$2,368 USD