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Oval|Lab Grown|IGI

3.12ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG768631106

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG768631106

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)
19 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 LG768631106 or 768631106. Listed at 19 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 angle36.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631106
Dimensions11.36 × 8.05 × 5.21 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
11.36 mm8.05 mm3.12 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631106
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 64.7%

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: €7,948 EUR|Low: €792 EUR|High: €9,255 EUR|Avg: €3,241 EUR
Blue Nile
Retailer 2
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Retailer 5
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Retailer 12
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Retailer 18
October 31, 2026
Retailer 5€792 EUR
Retailer 14€836 EUR
Retailer 17€1,087 EUR
Retailer 15€1,119 EUR
Retailer 3€1,211 EUR
Retailer 9€1,475 EUR
Retailer 12€1,603 EUR
Retailer 16€2,045 EUR
Retailer 4€2,093 EUR
Retailer 2€2,222 EUR
Retailer 8€2,638 EUR
Retailer 13€2,767 EUR
Retailer 6€3,460 EUR
Retailer 10€4,883 EUR
Retailer 11€6,592 EUR
Retailer 7€7,035 EUR
Retailer 18€7,564 EUR
Blue Nile€7,948 EUR

35 data points across 18 retailers

19 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
-
€1,087 EUR
$1,214 USD
View
A
Retailer 5
-
€1,119 EUR
$1,250 USD
View
A
Retailer 6
-
€1,211 EUR
£1,065 GBP
View
A
Retailer 7
-
€1,475 EUR
$1,648 USD
View
A
Retailer 8
-
€1,603 EUR
View
A
Retailer 9
-
€2,045 EUR
$2,285 USD
View
A
Retailer 10
-
€2,093 EUR
$2,338 USD
View
A
Retailer 11
-
€2,222 EUR
A$3,819 AUD
View
A
Retailer 12
-
€2,638 EUR
$2,947 USD
View
B+
Retailer 13
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€2,767 EUR
$3,091 USD
View
B+
Retailer 14
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€3,460 EUR
£3,044 GBP
View
Retailer 15
-
€4,883 EUR
$5,455 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
€6,592 EUR
A$11,330 AUD
View
B
Retailer 17
-
€7,035 EUR
$7,860 USD
View
B
Retailer 18
-
€7,564 EUR
$8,450 USD
View
Most Expensive
B
Blue Nile
28329513 · Oct 31
€7,948 EUR
$8,879 USD
View
18 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