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Oval|Lab Grown|IGI

1.59ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG615381662

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG615381662

Diamond specifications and retailer prices

From $333 AUD
$234 USD
As of October 25, 2026
Save $1,233 AUD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,566 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.59ct lab-grown oval diamond

This 1.59ct 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 LG615381662 or 615381662. Listed at 14 retailers as of October 25, 2026, with prices from $333 to $1,566, a $1,233 spread on the same certified stone. Brilliant Earth lists it at $1,566. 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

1.59
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615381662
Dimensions9.44 × 6.64 × 4.13 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.44 mm6.64 mm1.59 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615381662
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

Caratlytics Score

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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 25
Current: $1,566 AUD|Low: $269 AUD|High: $1,623 AUD|Avg: $727 AUD|-3.5%
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
October 30, 2026
Retailer 5$269 AUD
Retailer 4$312 AUD
Retailer 6$329 AUD
Retailer 8$333 AUD
Retailer 12$429 AUD
Retailer 14$585 AUD
Retailer 2$605 AUD
Retailer 10$625 AUD
Retailer 11$699 AUD
Retailer 13$811 AUD
Retailer 3$1,070 AUD
Retailer 9$1,075 AUD
Retailer 7$1,565 AUD
Brilliant Earth$1,566 AUD

37 data points across 14 retailers

14 retailers$333 AUD to $1,566 AUD

Retailer 1
-
$269 AUD
$189 USD
Price last confirmed 36 days ago
Retailer 2
-
$312 AUD
$219 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$329 AUD
$231 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$333 AUD
$234 USD
View
Retailer 5
-
$386 AUD
$271 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$429 AUD
£237 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$585 AUD
$411 USD
View
A
Retailer 8
-
$605 AUD
£335 GBP
View
A
Retailer 9
-
$699 AUD
$491 USD
View
A
Retailer 10
-
$811 AUD
$570 USD
View
Retailer 11
-
$1,070 AUD
$752 USD
View
Price last confirmed 32 days ago
B
Retailer 12
-
$1,075 AUD
$755 USD
View
B
Retailer 13
-
$1,565 AUD
£866 GBP
View
Most Expensive
B
Brilliant Earth
8918584A · Oct 29
$1,566 AUD
$1,100 USD
View
13 more retailers have this diamond
Prices start from $333 AUDSave up to $1,233 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
1.59ct Oval
$333 AUD