Oval|Natural|GIA

1.55ct K SI1 Oval Natural Diamond

ID • K/SI1 • GIA 6555725838

Certificate GIA 6555725838

Diamond specifications and retailer prices

From $4,272 NZD
As of November 6, 2026
Save $4,005 NZD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,277 NZD 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 $4,272 to $8,277, a $4,005 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,277. 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: $4,337 NZD|Low: $4,248 NZD|High: $8,277 NZD|Avg: $5,579 NZD|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 3$4,272 NZD
Retailer 1$4,337 NZD
Retailer 5$4,865 NZD
Retailer 7$5,147 NZD
Retailer 4$5,383 NZD
Retailer 6$5,949 NZD
Retailer 2$6,698 NZD
Wholesale Diamonds Direct$8,277 NZD

46 data points across 8 retailers

8 retailers$4,272 NZD to $8,277 NZD

A
Cheapest Retailer
-
$4,272 NZD
A
Retailer 2
-
$4,337 NZD
View
A
Retailer 3
-
$4,865 NZD
View
A
Retailer 4
-
$5,147 NZD
View
A
Retailer 5
-
$5,383 NZD
View
A
Retailer 6
-
$5,949 NZD
View
A
Retailer 7
-
$6,698 NZD
View
Most Expensive
B+
Wholesale Diamonds Direct
626629699 · Nov 6
$8,277 NZD
$4,588 USD
View
7 more retailers have this diamond
Prices start from $4,272 NZDSave up to $4,005 NZD

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
$4,272 NZD