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Oval|Lab Grown|IGI

1.23ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG836620697

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836620697

Diamond specifications and retailer prices

From $342 AUD
$240 USD
As of October 29, 2026
Save $2,562 AUD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,196 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620697 or 836620697. Listed at 17 retailers as of October 29, 2026, with a 750% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620697
Dimensions8.90 × 6.03 × 3.66 mm
L/W Ratio1.48
Girdle conditionFaceted
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
8.90 mm6.03 mm1.23 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620697
Side View
Table 61.0%Crown 33.7°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 60.7%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $3,196 AUD|Low: $340 AUD|High: $4,299 AUD|Avg: $1,212 AUD|-1.3%
Rare Carat
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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 18$342 AUD
Retailer 4$382 AUD
Retailer 15$396 AUD
Retailer 7$423 AUD
Retailer 13$423 AUD
Retailer 16$715 AUD
Retailer 8$723 AUD
Retailer 12$727 AUD
Retailer 11$801 AUD
Retailer 3$1,147 AUD
Retailer 6$1,360 AUD
Retailer 17$1,365 AUD
Retailer 9$1,416 AUD
Retailer 5$1,434 AUD
Retailer 10$1,550 AUD
Retailer 14$1,698 AUD
Retailer 2$2,904 AUD
Rare Carat$3,196 AUD

36 data points across 18 retailers

17 retailers$342 AUD to $2,904 AUD

A
Cheapest Retailer
-
$342 AUD
$240 USD
A
Retailer 2
-
$382 AUD
$268 USD
View
Final sale: no returns
A
Retailer 3
-
$396 AUD
$278 USD
View
A
Retailer 4
-
$423 AUD
$297 USD
View
A
Retailer 5
-
$423 AUD
$297 USD
View
A
Retailer 6
-
$715 AUD
$502 USD
View
A
Retailer 7
-
$727 AUD
ZAR 8,250 ZAR
View
A
Retailer 8
-
$801 AUD
£443 GBP
View
B+
Retailer 9
-
$1,147 AUD
$806 USD
View
B+
Retailer 10
-
$1,360 AUD
$955 USD
View
B+
Retailer 11
-
$1,365 AUD
$959 USD
View
B+
Retailer 12
-
$1,416 AUD
SGD 1,344 SGD
View
B+
Retailer 13
-
$1,434 AUD
$1,008 USD
View
B+
Retailer 14
-
$1,537 AUD
$1,080 USD
View
B+
Retailer 15
-
$1,698 AUD
£939 GBP
View
B
Retailer 16
-
$2,904 AUD
$2,040 USD
View
Most Expensive
Rare Carat
JH-241664 · Oct 21
$3,196 AUD
$2,245 USD
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from $342 AUDSave up to $2,562 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
$342 AUD