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Oval|Natural|IGI

1.55ct K SI1 Oval Natural Diamond

EX • K/SI1 • IGI 719535496

Shape and cutting style on the report: Oval brilliant

Certificate IGI 719535496

Diamond specifications and retailer prices

From $3,257 AUD
As of October 31, 2026
Save $704 AUD (18%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,913 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 and certified by IGI 719535496. Listed at 8 retailers as of October 31, 2026, with a relatively tight 22% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 719535496
Dimensions8.94 × 6.62 × 4.15 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Top View
8.94 mm6.62 mm1.55 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 719535496
Side View
Table 60.0%Crown 38.1°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $6,913 AUD|Low: $2,153 AUD|High: $6,913 AUD|Avg: $3,506 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4$2,153 AUD
Retailer 11$2,722 AUD
Retailer 5$2,773 AUD
Retailer 9$2,835 AUD
Retailer 7$2,965 AUD
Retailer 12$3,035 AUD
Retailer 3$3,174 AUD
Retailer 10$3,257 AUD
Retailer 8$3,260 AUD
Retailer 2$3,962 AUD
Retailer 6$4,992 AUD
NZ Jewellers$6,913 AUD

34 data points across 12 retailers

8 retailers$3,257 AUD to $3,962 AUD

Retailer 1
-
$2,773 AUD
Price last confirmed 7 days ago
Retailer 2
-
$2,835 AUD
View
Price last confirmed 8 days ago
Retailer 3
-
$2,965 AUD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$3,257 AUD
View
Retailer 5
-
$3,260 AUD
View
Price last confirmed 4 days ago
A
Retailer 6
-
$3,962 AUD
View
Retailer 7
-
$4,992 AUD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
c044957b-dd25-4f07-b0ce-bcf7cc167261 · Oct 30
$6,913 AUD
$4,750 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from $3,257 AUDSave up to $704 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
$3,257 AUD