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Oval|Natural|IGI

1.56ct D SI2 Oval Natural Diamond

ID • D/SI2 • IGI 478131776

Certificate IGI 478131776

Diamond specifications and retailer prices

From $11,073 AUD
$7,778 USD
As of October 30, 2026
Save $4,026 AUD (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $15,099 AUD at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.56ct natural oval diamond

This 1.56ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 478131776. Listed at 6 retailers as of October 30, 2026, with prices from $11,073 to $15,099, a $4,026 spread on the same certified stone. Yorxs lists it at $15,099. 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

1.56
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 478131776
Dimensions9.25 × 6.33 × 3.87 mm
L/W Ratio1.46
Top View
9.25 mm6.33 mm1.56 ctD / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 478131776
Side View
Table 54.0%CrownGirdle: MED-THKPavilionCulet: 1Depth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $12,501 AUD|Low: $11,073 AUD|High: $15,141 AUD|Avg: $12,811 AUD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
October 31, 2026
Retailer 5$11,073 AUD
Retailer 3$11,893 AUD
Retailer 2$12,345 AUD
Retailer 1$12,501 AUD
Retailer 4$14,024 AUD
Yorxs$15,099 AUD

17 data points across 6 retailers

6 retailers$11,073 AUD to $15,099 AUD

B+
Cheapest Retailer
-
$11,073 AUD
$7,778 USD
B+
Retailer 2
-
$11,893 AUD
CA$11,603 CAD
View
B+
Retailer 3
-
$12,345 AUD
$8,672 USD
View
B+
Retailer 4
-
$12,501 AUD
SGD 11,867 SGD
View
B
Retailer 5
-
$14,024 AUD
$9,851 USD
View
Most Expensive
B
Yorxs
212354944 · Oct 31
$15,099 AUD
€10,101 EUR
View
5 more retailers have this diamond
Prices start from $11,073 AUDSave up to $4,026 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.

B+
1.56ct Oval
$11,073 AUD