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Oval|Lab Grown|IGI

1.23ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG833669690

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG833669690

Diamond specifications and retailer prices

From $319 USD
As of November 1, 2026
Save $1,149 USD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,468 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG833669690 or 833669690. Listed at 10 retailers as of November 1, 2026, with prices from $319 to $1,468, a $1,149 spread on the same certified stone. Reve Diamonds lists it at $1,468. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833669690
Dimensions8.87 × 6.12 × 3.73 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
8.87 mm6.12 mm1.23 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833669690
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.9%

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: $510 USD|Low: $319 USD|High: $1,468 USD|Avg: $827 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 3, 2026
Retailer 6$319 USD
Retailer 5$365 USD
Retailer 1$510 USD
Retailer 9$584 USD
Retailer 2$621 USD
Retailer 7$804 USD
Retailer 4$1,090 USD
Retailer 8$1,190 USD
Retailer 3$1,421 USD
Reve Diamonds$1,468 USD

4 data points across 10 retailers

10 retailers$319 USD to $1,468 USD

A
Cheapest Retailer
-
$319 USD
Final sale: no returns
A
Retailer 2
-
$365 USD
£288 GBP
View
A
Retailer 3
-
$510 USD
View
A
Retailer 4
-
$584 USD
View
A
Retailer 5
-
$621 USD
£489 GBP
View
B+
Retailer 6
-
$804 USD
View
B
Retailer 7
-
$1,090 USD
View
B
Retailer 8
-
$1,190 USD
View
B
Retailer 9
-
$1,421 USD
£1,119 GBP
View
Most Expensive
B
Reve Diamonds
5E7D2B989 · Nov 1
$1,468 USD
View
9 more retailers have this diamond
Prices start from $319 USDSave up to $1,149 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
$319 USD