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Oval|Lab Grown|IGI

3.12ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG768631106

Certificate IGI LG768631106

Diamond specifications and retailer prices

From $939 USD
Save $9,721 USD (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,660 USD at Brilliant Earth
View at Brilliant Earth

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, with prices from $939 to $10,660 at Brilliant Earth, a $9,721 spread on the same certified stone. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631106
Dimensions11.36 × 11.36 × 8.05 mm
L/W Ratio1.00
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 mm11.36 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

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $10,660 USD|Low: $837 USD|High: $11,520 USD|Avg: $3,977 USD|-7.5%
Brilliant Earth
Retailer 2
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Retailer 20
October 1, 2026
Retailer 15$939 USD
Retailer 20$1,022 USD
Retailer 11$1,172 USD
Retailer 4$1,265 USD
Retailer 7$1,272 USD
Retailer 2$1,444 USD
Retailer 8$1,454 USD
Retailer 5$1,876 USD
Retailer 19$2,254 USD
Retailer 10$2,277 USD
Retailer 9$2,343 USD
Retailer 16$2,719 USD
Retailer 18$3,116 USD
Retailer 14$4,128 USD
Retailer 12$4,758 USD
Retailer 17$5,535 USD
Retailer 13$7,436 USD
Retailer 6$8,340 USD
Retailer 3$8,879 USD
Brilliant Earth$10,660 USD

29 data points across 20 retailers

19 retailers$939 USD to $10,660 USD

A
Cheapest Retailer
-
$939 USD
A
Retailer 2
-
$1,022 USD
View
A
Retailer 3
-
$1,172 USD
View
A
Retailer 4
-
$1,265 USD
View
A
Retailer 5
-
$1,272 USD
View
A
Retailer 6
-
$1,444 USD
£1,137 GBP
View
A
Retailer 7
-
$1,454 USD
View
A
Retailer 8
-
$1,876 USD
€1,787 EUR
View
A
Retailer 9
-
$2,254 USD
View
A
Retailer 10
-
$2,277 USD
View
A
Retailer 11
-
$2,343 USD
View
A
Retailer 12
-
$2,719 USD
A$4,183 AUD
View
A
Retailer 13
-
$3,116 USD
View
B+
Retailer 14
-
$4,128 USD
£3,250 GBP
View
B+
Retailer 15
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$5,535 USD
View
B
Retailer 16
-
$7,436 USD
A$11,440 AUD
View
B
Retailer 17
-
$8,340 USD
View
B
Retailer 18
-
$8,879 USD
View
Most Expensive
B
Brilliant Earth
18707230Y · Oct 1
$10,660 USD
View
18 more retailers have this diamond
Prices start from $939 USDSave up to $9,721 USD

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.

A
3.12ct Oval
$939 USD