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Oval|Lab Grown|IGI

1.23ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG804650212

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG804650212

Diamond specifications and retailer prices

From $671 AUD
$471 USD
As of November 1, 2026
Save $2,575 AUD (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,787 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 LG804650212 or 804650212. Listed at 9 retailers as of October 31, 2026, with a 384% 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 angle34.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804650212
Dimensions8.64 × 6.08 × 3.67 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
8.64 mm6.08 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804650212
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.4%

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: $3,787 AUD|Low: $290 AUD|High: $5,153 AUD|Avg: $1,562 AUD|+1.1%
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 1, 2026
Retailer 6$290 AUD
Retailer 11$671 AUD
Retailer 16$705 AUD
Retailer 15$748 AUD
Retailer 5$770 AUD
Retailer 4$783 AUD
Retailer 14$826 AUD
Retailer 7$1,129 AUD
Retailer 9$1,266 AUD
Retailer 13$1,419 AUD
Retailer 3$1,523 AUD
Retailer 8$1,528 AUD
Retailer 2$1,736 AUD
Retailer 12$3,032 AUD
Retailer 10$3,246 AUD
Rare Carat$3,787 AUD

20 data points across 16 retailers

9 retailers$671 AUD to $3,246 AUD

A
Cheapest Retailer
-
$671 AUD
$471 USD
B+
Retailer 2
-
$1,266 AUD
$889 USD
View
B+
Retailer 3
-
$1,419 AUD
$997 USD
View
B+
Retailer 4
-
$1,736 AUD
£960 GBP
View
B
Retailer 5
-
$3,032 AUD
$2,130 USD
View
B
Retailer 6
-
$3,246 AUD
$2,280 USD
View
Retailer 7
-
$3,787 AUD
$2,660 USD
View
Price last confirmed 12 days ago
Retailer 8
-
$3,787 AUD
$2,660 USD
View
Price last confirmed 12 days ago
Most Expensive
Rare Carat
1133-184-HK_l_834604211 · Oct 21
$3,787 AUD
$2,660 USD
View
Price last confirmed 12 days ago
8 more retailers have this diamond
Prices start from $671 AUDSave up to $2,575 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
$671 AUD