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Oval|Lab Grown|IGI

1.23ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG727563477

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG727563477

Diamond specifications and retailer prices

From $273 AUD
$192 USD
As of October 29, 2026
Save $2,908 AUD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,182 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG727563477 or 727563477. Listed at 24 retailers as of October 27, 2026, with prices from $273 to $3,182, a $2,908 spread on the same certified stone. Queensmith lists it at $3,182. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727563477
Dimensions8.86 × 6.08 × 3.74 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.86 mm6.08 mm1.23 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727563477
Side View
Table 55.0%Crown 33.5°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 61.5%

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: $397 AUD|Low: $273 AUD|High: $2,719 AUD|Avg: $1,062 AUD|-12.2%
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October 30, 2026
Retailer 7$273 AUD
Retailer 4$305 AUD
Retailer 20$317 AUD
Retailer 10$339 AUD
Retailer 23$339 AUD
Retailer 1$397 AUD
Retailer 14$485 AUD
Retailer 9$528 AUD
Retailer 18$644 AUD
Retailer 22$690 AUD
Retailer 12$693 AUD
Retailer 21$883 AUD
Retailer 19$916 AUD
Retailer 3$1,095 AUD
Retailer 6$1,204 AUD
Retailer 13$1,450 AUD
Retailer 11$1,453 AUD
Retailer 8$1,506 AUD
Retailer 17$1,509 AUD
Retailer 2$1,665 AUD
Retailer 15$2,092 AUD
Retailer 5$2,633 AUD
Retailer 16$2,719 AUD

34 data points across 23 retailers

24 retailers$273 AUD to $3,182 AUD

A
Cheapest Retailer
-
$273 AUD
$192 USD
A
Retailer 2
-
$305 AUD
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$317 AUD
$223 USD
View
A
Retailer 4
-
$339 AUD
$238 USD
View
A
Retailer 5
-
$339 AUD
$238 USD
View
A
Retailer 6
-
$397 AUD
£220 GBP
View
B+
Retailer 7
-
$485 AUD
$341 USD
View
A
Retailer 8
-
$528 AUD
HK$2,900 HKD
View
A
Retailer 9
-
$644 AUD
ZAR 7,305 ZAR
View
A
Retailer 10
-
$690 AUD
$485 USD
View
A
Retailer 11
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$693 AUD
£383 GBP
View
A
Retailer 12
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$883 AUD
$620 USD
View
A
Retailer 13
-
$916 AUD
View
B+
Retailer 14
-
$1,095 AUD
$769 USD
View
B+
Retailer 15
-
$1,204 AUD
$846 USD
View
B+
Retailer 16
-
$1,450 AUD
$1,018 USD
View
B+
Retailer 17
-
$1,453 AUD
£804 GBP
View
B+
Retailer 18
-
$1,506 AUD
SGD 1,430 SGD
View
B+
Retailer 19
-
$1,509 AUD
£835 GBP
View
B
Retailer 20
-
$1,665 AUD
$1,170 USD
View
Retailer 21
-
$2,092 AUD
$1,470 USD
View
Price last confirmed 22 days ago
B
Retailer 22
-
$2,633 AUD
$1,850 USD
View
B
Retailer 23
-
$2,719 AUD
$1,910 USD
View
Most Expensive
B
Queensmith
LG727563477 · Oct 27
$3,182 AUD
£1,760 GBP
View
23 more retailers have this diamond
Prices start from $273 AUDSave up to $2,908 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
1.23ct Oval
$273 AUD