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Oval|Lab Grown|IGI

3.12ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG768631105

Certificate IGI LG768631105

Diamond specifications and retailer prices

From $2,560 USD
A$3,938 AUD
Save $4,876 USD (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,520 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 LG768631105 or 768631105. Listed at 9 retailers, with a 191% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631105
Dimensions11.68 × 11.68 × 8.12 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
11.68 mm11.68 mm3.12 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631105
Side View
Table 57.0%Crown 36.7°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $11,520 USD|Low: $837 USD|High: $11,520 USD|Avg: $4,249 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 1, 2026
Retailer 9$837 USD
Retailer 11$1,295 USD
Retailer 10$1,326 USD
Retailer 15$1,610 USD
Retailer 13$2,066 USD
Retailer 14$2,366 USD
Retailer 7$2,508 USD
Retailer 3$2,537 USD
Retailer 8$2,560 USD
Retailer 5$4,758 USD
Retailer 6$5,443 USD
Retailer 12$5,856 USD
Retailer 2$7,436 USD
Retailer 4$9,290 USD
Brilliant Earth$11,520 USD

6 data points across 15 retailers

9 retailers$2,560 USD to $7,436 USD

A
Retailer 1
-
$1,326 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$1,610 USD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$2,066 USD
€1,968 EUR
View
Price last confirmed 47 days ago
A
Retailer 4
-
$2,366 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$2,537 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$2,560 USD
A$3,938 AUD
View
B+
Retailer 7
-
$5,856 USD
View
Price last confirmed 31 days ago
B
Retailer 8
-
$7,436 USD
A$11,440 AUD
View
Most Expensive
B
Brilliant Earth
18707462Y · Sep 4
$11,520 USD
View
Price last confirmed 26 days ago
8 more retailers have this diamond
Prices start from $2,560 USDSave up to $4,876 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
$2,560 USD