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Oval|Lab Grown|IGI

1.23ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG815697712

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815697712

Diamond specifications and retailer prices

From $446 AUD
£247 GBP
As of November 2, 2026
Save $2,800 AUD (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,730 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 LG815697712 or 815697712. Listed at 8 retailers as of October 31, 2026, with a 628% 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 angle33.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815697712
Dimensions8.96 × 6.00 × 3.60 mm
L/W Ratio1.49
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
8.96 mm6.00 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815697712
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.0%

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 2
Current: $3,730 AUD|Low: $248 AUD|High: $5,153 AUD|Avg: $1,442 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
Retailer 17
November 2, 2026
Retailer 7$248 AUD
Retailer 9$290 AUD
Retailer 2$446 AUD
Retailer 3$456 AUD
Retailer 13$671 AUD
Retailer 17$748 AUD
Retailer 8$770 AUD
Retailer 6$783 AUD
Retailer 16$826 AUD
Retailer 11$1,266 AUD
Retailer 15$1,419 AUD
Retailer 5$1,523 AUD
Retailer 4$1,649 AUD
Retailer 10$1,736 AUD
Retailer 14$3,032 AUD
Retailer 12$3,246 AUD
Rare Carat$3,730 AUD

26 data points across 17 retailers

8 retailers$446 AUD to $3,246 AUD

A+
Cheapest Retailer
-
$446 AUD
£247 GBP
A
Retailer 2
-
$671 AUD
$471 USD
View
B+
Retailer 3
-
$1,266 AUD
$889 USD
View
B+
Retailer 4
-
$1,419 AUD
$997 USD
View
B+
Retailer 5
-
$1,736 AUD
£960 GBP
View
B
Retailer 6
-
$3,032 AUD
$2,130 USD
View
B
Retailer 7
-
$3,246 AUD
$2,280 USD
View
Most Expensive
Rare Carat
PD-218101 · Oct 21
$3,730 AUD
$2,620 USD
View
Price last confirmed 11 days ago
7 more retailers have this diamond
Prices start from $446 AUDSave up to $2,800 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
$446 AUD