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Oval|Lab Grown|IGI

1.23ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG836619634

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836619634

Diamond specifications and retailer prices

From $386 AUD
$271 USD
As of November 1, 2026
Save $2,461 AUD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,744 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836619634 or 836619634. Listed at 16 retailers as of October 31, 2026, with a 638% 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619634
Dimensions8.59 × 6.03 × 3.78 mm
L/W Ratio1.42
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
8.59 mm6.03 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619634
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 1
Current: $3,744 AUD|Low: $386 AUD|High: $3,872 AUD|Avg: $1,305 AUD|-0.4%
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
November 2, 2026
Retailer 5$386 AUD
Retailer 14$427 AUD
Retailer 2$440 AUD
Retailer 8$705 AUD
Retailer 16$720 AUD
Retailer 12$732 AUD
Retailer 10$738 AUD
Retailer 9$810 AUD
Retailer 4$1,122 AUD
Retailer 3$1,379 AUD
Retailer 7$1,432 AUD
Retailer 6$1,448 AUD
Retailer 15$1,550 AUD
Retailer 11$1,714 AUD
Retailer 13$2,847 AUD
Rare Carat$3,744 AUD

30 data points across 16 retailers

16 retailers$386 AUD to $2,847 AUD

A+
Cheapest Retailer
-
$386 AUD
$271 USD
Final sale: no returns
Retailer 2
-
$427 AUD
$300 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$440 AUD
£243 GBP
View
Retailer 4
-
$705 AUD
$495 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$720 AUD
$506 USD
View
A
Retailer 6
-
$732 AUD
€490 EUR
View
A
Retailer 7
-
$738 AUD
ZAR 8,376 ZAR
View
A
Retailer 8
-
$810 AUD
£448 GBP
View
B+
Retailer 9
-
$1,122 AUD
$788 USD
View
B+
Retailer 10
-
$1,379 AUD
$969 USD
View
B+
Retailer 11
-
$1,432 AUD
SGD 1,359 SGD
View
B+
Retailer 12
-
$1,448 AUD
$1,017 USD
View
B+
Retailer 13
-
$1,550 AUD
$1,089 USD
View
B+
Retailer 14
-
$1,714 AUD
£948 GBP
View
B
Retailer 15
-
$2,847 AUD
$2,000 USD
View
Most Expensive
Rare Carat
JH-249451 · Oct 21
$3,744 AUD
$2,630 USD
View
Price last confirmed 11 days ago
15 more retailers have this diamond
Prices start from $386 AUDSave up to $2,461 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
$386 AUD