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Oval|Lab Grown|IGI

1.23ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG836621617

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836621617

Diamond specifications and retailer prices

From $345 AUD
$242 USD
As of November 1, 2026
Save $3,664 AUD (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,010 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836621617 or 836621617. Listed at 19 retailers as of October 31, 2026, with prices from $345 to $4,010, a $3,664 spread on the same certified stone. Brilliant Earth lists it at $4,010. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621617
Dimensions8.80 × 6.14 × 3.67 mm
L/W Ratio1.43
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
8.80 mm6.14 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621617
Side View
Table 62.0%Crown 36°Girdle: THN-STKPavilion 40.1°Culet: NoneDepth 59.8%

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: Nov 1
Current: $4,010 AUD|Low: $345 AUD|High: $5,165 AUD|Avg: $1,330 AUD|-22.4%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 3$345 AUD
Retailer 5$387 AUD
Retailer 16$401 AUD
Retailer 9$428 AUD
Retailer 15$428 AUD
Retailer 10$706 AUD
Retailer 18$722 AUD
Retailer 14$734 AUD
Retailer 12$740 AUD
Retailer 2$812 AUD
Retailer 4$1,124 AUD
Retailer 8$1,377 AUD
Retailer 19$1,383 AUD
Retailer 7$1,435 AUD
Retailer 6$1,451 AUD
Retailer 17$1,554 AUD
Retailer 13$1,718 AUD
Retailer 11$3,753 AUD
Brilliant Earth$4,010 AUD

35 data points across 19 retailers

19 retailers$345 AUD to $4,010 AUD

A
Cheapest Retailer
-
$345 AUD
$242 USD
A
Retailer 2
-
$387 AUD
$271 USD
View
Final sale: no returns
A
Retailer 3
-
$401 AUD
$281 USD
View
A
Retailer 4
-
$428 AUD
$300 USD
View
Retailer 5
-
$428 AUD
$300 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$706 AUD
$495 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$722 AUD
$506 USD
View
A
Retailer 8
-
$734 AUD
€490 EUR
View
A
Retailer 9
-
$740 AUD
ZAR 8,376 ZAR
View
A
Retailer 10
-
$812 AUD
£448 GBP
View
B+
Retailer 11
-
$1,124 AUD
$788 USD
View
B+
Retailer 12
-
$1,377 AUD
$965 USD
View
B+
Retailer 13
-
$1,383 AUD
$969 USD
View
B+
Retailer 14
-
$1,435 AUD
SGD 1,359 SGD
View
B+
Retailer 15
-
$1,451 AUD
$1,017 USD
View
B+
Retailer 16
-
$1,554 AUD
$1,089 USD
View
B+
Retailer 17
-
$1,718 AUD
£948 GBP
View
Retailer 18
-
$3,753 AUD
$2,630 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21590052A · Oct 31
$4,010 AUD
$2,810 USD
View
18 more retailers have this diamond
Prices start from $345 AUDSave up to $3,664 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
$345 AUD