Oval|Lab Grown|IGI

1.23ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG804656392

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG804656392

Diamond specifications and retailer prices

From $471 USD
As of October 30, 2026
Save $1,659 USD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,620 USD 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 LG804656392 or 804656392. Listed at 7 retailers as of October 30, 2026, with a 352% 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
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804656392
Dimensions8.75 × 6.03 × 3.70 mm
L/W Ratio1.45
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
8.75 mm6.03 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804656392
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.4%

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: Oct 30
Current: $2,620 USD|Low: $174 USD|High: $3,050 USD|Avg: $982 USD|-0.4%
Rare Carat
Retailer 2
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Retailer 8
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Retailer 11
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Retailer 17
October 31, 2026
Retailer 5$174 USD
Retailer 7$204 USD
Retailer 12$471 USD
Retailer 17$495 USD
Retailer 16$526 USD
Retailer 6$541 USD
Retailer 4$550 USD
Retailer 15$581 USD
Retailer 8$793 USD
Retailer 2$889 USD
Retailer 14$997 USD
Retailer 3$1,070 USD
Retailer 9$1,073 USD
Retailer 11$1,226 USD
Retailer 10$1,990 USD
Retailer 13$2,130 USD
Rare Carat$2,620 USD

18 data points across 17 retailers

7 retailers$471 USD to $2,130 USD

A
Cheapest Retailer
-
$471 USD
B+
Retailer 2
-
$889 USD
View
B+
Retailer 3
-
$997 USD
View
B+
Retailer 4
-
$1,226 USD
£965 GBP
View
B
Retailer 5
-
$1,990 USD
View
B
Retailer 6
-
$2,130 USD
View
Most Expensive
Rare Carat
ACP-211079 · Oct 21
$2,620 USD
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from $471 USDSave up to $1,659 USD

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
$471 USD