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Oval|Lab Grown|IGI

1.56ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG625447976

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG625447976

Diamond specifications and retailer prices

From $265 AUD
$186 USD
As of October 29, 2026
Save $1,273 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,537 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG625447976 or 625447976. Listed at 14 retailers as of October 29, 2026, with prices from $265 to $1,537, a $1,273 spread on the same certified stone. Brilliant Earth lists it at $1,537. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625447976
Dimensions9.69 × 6.47 × 4.02 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Top View
9.69 mm6.47 mm1.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625447976
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,537 AUD|Low: $253 AUD|High: $1,594 AUD|Avg: $760 AUD|-3.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 6$265 AUD
Retailer 9$306 AUD
Retailer 3$327 AUD
Retailer 14$327 AUD
Retailer 13$422 AUD
Retailer 4$578 AUD
Retailer 2$593 AUD
Retailer 11$617 AUD
Retailer 12$676 AUD
Retailer 15$806 AUD
Retailer 5$1,053 AUD
Retailer 7$1,113 AUD
Retailer 10$1,288 AUD
Retailer 8$1,535 AUD
Brilliant Earth$1,537 AUD

39 data points across 15 retailers

14 retailers$265 AUD to $1,537 AUD

A
Cheapest Retailer
-
$265 AUD
$186 USD
A
Retailer 2
-
$306 AUD
$215 USD
View
A
Retailer 3
-
$327 AUD
$230 USD
View
A
Retailer 4
-
$327 AUD
$230 USD
View
Retailer 5
-
$422 AUD
£233 GBP
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$578 AUD
$406 USD
View
A
Retailer 7
-
$593 AUD
£328 GBP
View
A
Retailer 8
-
$676 AUD
$475 USD
View
B+
Retailer 9
-
$806 AUD
$566 USD
View
B+
Retailer 10
-
$1,053 AUD
$740 USD
View
B
Retailer 11
-
$1,113 AUD
$782 USD
View
B
Retailer 12
-
$1,288 AUD
$905 USD
View
B
Retailer 13
-
$1,535 AUD
£849 GBP
View
Most Expensive
B
Brilliant Earth
9465956A · Oct 29
$1,537 AUD
$1,080 USD
View
13 more retailers have this diamond
Prices start from $265 AUDSave up to $1,273 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
1.56ct Oval
$265 AUD