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Oval|Lab Grown|IGI

3.12ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG844664145

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844664145

Diamond specifications and retailer prices

From €824 EUR
$921 USD
As of October 29, 2026
Save €7,123 EUR (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €7,948 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.12ct lab-grown oval diamond

This 3.12ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG844664145 or 844664145. Listed at 18 retailers as of October 29, 2026, with prices from €824 to €7,948, a €7,123 spread on the same certified stone. Blue Nile lists it at €7,948. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.12
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844664145
Dimensions11.70 × 8.33 × 5.03 mm
L/W Ratio1.40
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
11.70 mm8.33 mm3.12 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844664145
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 40°Culet: NoneDepth 60.4%

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: Oct 29
Current: €7,948 EUR|Low: €824 EUR|High: €13,033 EUR|Avg: €3,435 EUR
Blue Nile
Retailer 2
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Retailer 19
October 31, 2026
Retailer 7€824 EUR
Retailer 5€897 EUR
Retailer 18€1,122 EUR
Retailer 13€1,128 EUR
Retailer 16€1,260 EUR
Retailer 8€1,533 EUR
Retailer 12€1,709 EUR
Retailer 19€1,979 EUR
Retailer 4€2,096 EUR
Retailer 14€2,128 EUR
Retailer 9€2,476 EUR
Retailer 6€2,725 EUR
Retailer 17€3,600 EUR
Retailer 11€4,338 EUR
Retailer 10€4,883 EUR
Retailer 2€6,592 EUR
Retailer 3€7,322 EUR
Retailer 15€7,564 EUR
Blue Nile€7,948 EUR

16 data points across 19 retailers

18 retailers€824 EUR to €7,948 EUR

A+
Cheapest Retailer
-
€824 EUR
$921 USD
A
Retailer 2
-
€897 EUR
$1,002 USD
View
A
Retailer 3
-
€1,122 EUR
$1,253 USD
View
A
Retailer 4
-
€1,128 EUR
$1,260 USD
View
A
Retailer 5
-
€1,260 EUR
£1,109 GBP
View
A
Retailer 6
-
€1,533 EUR
$1,713 USD
View
A
Retailer 7
-
€1,709 EUR
View
A
Retailer 8
-
€1,979 EUR
$2,211 USD
View
A
Retailer 9
-
€2,096 EUR
$2,342 USD
View
A
Retailer 10
-
€2,128 EUR
$2,377 USD
View
Retailer 11
-
€2,476 EUR
A$4,256 AUD
View
Price last confirmed 10 days ago
A
Retailer 12
-
€2,725 EUR
$3,045 USD
View
B+
Retailer 13
-
€3,600 EUR
£3,167 GBP
View
Retailer 14
-
€4,883 EUR
$5,455 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
€6,592 EUR
A$11,330 AUD
View
B
Retailer 16
-
€7,322 EUR
$8,180 USD
View
B
Retailer 17
-
€7,564 EUR
$8,450 USD
View
Most Expensive
B
Blue Nile
30390503 · Oct 31
€7,948 EUR
$8,879 USD
View
17 more retailers have this diamond
Prices start from €824 EURSave up to €7,123 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+
3.12ct Oval
€824 EUR