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Oval|Lab Grown|IGI

3.12ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754594331

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754594331

Diamond specifications and retailer prices

From €792 EUR
$885 USD
As of October 29, 2026
Save €7,155 EUR (90%) vs most expensive(unlock to see where)
20 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 LG754594331 or 754594331. Listed at 20 retailers as of October 29, 2026, with prices from €792 to €7,948, a €7,155 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594331
Dimensions11.43 × 8.13 × 5.12 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
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
11.43 mm8.13 mm3.12 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594331
Side View
Table 58.0%Crown 36.6°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 63.0%

Caratlytics Score

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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 29
Current: €1,434 EUR|Low: €792 EUR|High: €9,255 EUR|Avg: €3,131 EUR|-8.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
November 1, 2026
Retailer 6€792 EUR
Retailer 17€836 EUR
Retailer 3€1,087 EUR
Retailer 18€1,119 EUR
Retailer 11€1,171 EUR
Retailer 1€1,434 EUR
Retailer 15€1,603 EUR
Retailer 2€2,045 EUR
Retailer 5€2,093 EUR
Retailer 13€2,222 EUR
Retailer 9€2,291 EUR
Retailer 12€2,573 EUR
Retailer 16€2,767 EUR
Retailer 8€3,465 EUR
Retailer 10€4,883 EUR
Retailer 14€6,592 EUR
Retailer 7€7,035 EUR
Retailer 4€7,564 EUR

35 data points across 18 retailers

20 retailers€792 EUR to €7,948 EUR

A
Cheapest Retailer
-
€792 EUR
$885 USD
A
Retailer 2
-
€836 EUR
$934 USD
View
A
Retailer 3
-
€1,049 EUR
$1,172 USD
View
Final sale: no returns
A
Retailer 4
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€1,087 EUR
$1,214 USD
View
A
Retailer 5
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€1,119 EUR
$1,250 USD
View
A
Retailer 6
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€1,171 EUR
£1,030 GBP
View
A
Retailer 7
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€1,434 EUR
$1,602 USD
View
A
Retailer 8
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€1,603 EUR
View
A
Retailer 9
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€2,045 EUR
$2,285 USD
View
A
Retailer 10
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€2,093 EUR
$2,338 USD
View
A
Retailer 11
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€2,222 EUR
A$3,819 AUD
View
A
Retailer 12
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€2,291 EUR
A$3,938 AUD
View
A
Retailer 13
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€2,573 EUR
$2,874 USD
View
B+
Retailer 14
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€2,767 EUR
$3,091 USD
View
B+
Retailer 15
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€3,465 EUR
£3,048 GBP
View
Retailer 16
-
€4,883 EUR
$5,455 USD
View
Price last confirmed 13 days ago
B
Retailer 17
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€6,592 EUR
A$11,330 AUD
View
B
Retailer 18
-
€7,035 EUR
$7,860 USD
View
B
Retailer 19
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€7,564 EUR
$8,450 USD
View
Most Expensive
B
Blue Nile
28013553 · Oct 31
€7,948 EUR
$8,879 USD
View
19 more retailers have this diamond
Prices start from €792 EURSave up to €7,155 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
€792 EUR