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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 $7,778 USD
As of October 30, 2026
Save $2,857 USD (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $10,635 USD at Yorxs · As of October 28, 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 28, 2026, with prices from $7,778 to $10,635, a $2,857 spread on the same certified stone. Yorxs lists it at $10,635. 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
Color
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: $8,782 USD|Low: $7,778 USD|High: $10,635 USD|Avg: $8,999 USD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
October 28, 2026
Retailer 5$7,778 USD
Retailer 3$8,354 USD
Retailer 2$8,672 USD
Retailer 1$8,782 USD
Retailer 4$9,851 USD
Yorxs$10,635 USD

16 data points across 6 retailers

6 retailers$7,778 USD to $10,635 USD

B+
Cheapest Retailer
-
$7,778 USD
B+
Retailer 2
-
$8,354 USD
CA$11,603 CAD
View
B+
Retailer 3
-
$8,672 USD
View
B+
Retailer 4
-
$8,782 USD
SGD 11,867 SGD
View
B
Retailer 5
-
$9,851 USD
View
Most Expensive
B
Yorxs
212354944 · Oct 28
$10,635 USD
€10,129 EUR
View
5 more retailers have this diamond
Prices start from $7,778 USDSave up to $2,857 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.

B+
1.56ct Oval
$7,778 USD