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Oval|Lab Grown|IGI

1.23ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG818684610

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818684610

Diamond specifications and retailer prices

From €422 EUR
$471 USD
As of October 30, 2026
Save €1,485 EUR (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €2,345 EUR 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 LG818684610 or 818684610. 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 angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818684610
Dimensions9.11 × 5.78 × 3.69 mm
L/W Ratio1.58
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
9.11 mm5.78 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818684610
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
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: Oct 30
Current: €2,345 EUR|Low: €156 EUR|High: €2,730 EUR|Avg: €938 EUR|-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
October 31, 2026
Retailer 5€156 EUR
Retailer 7€183 EUR
Retailer 11€422 EUR
Retailer 16€443 EUR
Retailer 15€471 EUR
Retailer 14€520 EUR
Retailer 6€710 EUR
Retailer 2€796 EUR
Retailer 13€892 EUR
Retailer 4€958 EUR
Retailer 8€961 EUR
Retailer 3€1,037 EUR
Retailer 10€1,097 EUR
Retailer 9€1,781 EUR
Retailer 12€1,907 EUR
Rare Carat€2,345 EUR

17 data points across 16 retailers

7 retailers€422 EUR to €1,907 EUR

A
Cheapest Retailer
-
€422 EUR
$471 USD
B+
Retailer 2
-
€796 EUR
$889 USD
View
B+
Retailer 3
-
€892 EUR
$997 USD
View
B+
Retailer 4
-
€1,097 EUR
£965 GBP
View
B
Retailer 5
-
€1,781 EUR
$1,990 USD
View
B
Retailer 6
-
€1,907 EUR
$2,130 USD
View
Most Expensive
Rare Carat
PD-225817 · Oct 21
€2,345 EUR
$2,620 USD
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from €422 EURSave up to €1,485 EUR

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
€422 EUR