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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 £5,805 GBP
$7,778 USD
As of October 30, 2026
Save £2,111 GBP (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £7,916 GBP 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 £5,805 to £7,916, a £2,111 spread on the same certified stone. Yorxs lists it at £7,916. 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: £6,554 GBP|Low: £5,805 GBP|High: £7,938 GBP|Avg: £6,716 GBP|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
October 31, 2026
Retailer 5£5,805 GBP
Retailer 3£6,235 GBP
Retailer 2£6,472 GBP
Retailer 1£6,554 GBP
Retailer 4£7,352 GBP
Yorxs£7,916 GBP

17 data points across 6 retailers

6 retailers£5,805 GBP to £7,916 GBP

B+
Cheapest Retailer
-
£5,805 GBP
$7,778 USD
B+
Retailer 2
-
£6,235 GBP
CA$11,603 CAD
View
B+
Retailer 3
-
£6,472 GBP
$8,672 USD
View
B+
Retailer 4
-
£6,554 GBP
SGD 11,867 SGD
View
B
Retailer 5
-
£7,352 GBP
$9,851 USD
View
Most Expensive
B
Yorxs
212354944 · Oct 31
£7,916 GBP
€10,101 EUR
View
5 more retailers have this diamond
Prices start from £5,805 GBPSave up to £2,111 GBP

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
£5,805 GBP