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 €279 EUR
£247 GBP
As of November 2, 2026
Save €1,754 EUR (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,336 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 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: €2,336 EUR|Low: €155 EUR|High: €3,228 EUR|Avg: €903 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
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Retailer 17
November 2, 2026
Retailer 7€155 EUR
Retailer 9€182 EUR
Retailer 2€279 EUR
Retailer 3€285 EUR
Retailer 13€420 EUR
Retailer 17€469 EUR
Retailer 8€482 EUR
Retailer 6€490 EUR
Retailer 16€518 EUR
Retailer 11€793 EUR
Retailer 15€889 EUR
Retailer 5€954 EUR
Retailer 4€1,033 EUR
Retailer 10€1,087 EUR
Retailer 14€1,899 EUR
Retailer 12€2,033 EUR
Rare Carat€2,336 EUR

26 data points across 17 retailers

8 retailers€279 EUR to €2,033 EUR

A+
Cheapest Retailer
-
€279 EUR
£247 GBP
A
Retailer 2
-
€420 EUR
$471 USD
View
B+
Retailer 3
-
€793 EUR
$889 USD
View
B+
Retailer 4
-
€889 EUR
$997 USD
View
B+
Retailer 5
-
€1,087 EUR
£960 GBP
View
B
Retailer 6
-
€1,899 EUR
$2,130 USD
View
B
Retailer 7
-
€2,033 EUR
$2,280 USD
View
Most Expensive
Rare Carat
PD-218101 · Oct 21
€2,336 EUR
$2,620 USD
View
Price last confirmed 12 days ago
7 more retailers have this diamond
Prices start from €279 EURSave up to €1,754 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
€279 EUR