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Oval|Lab Grown|IGI

3.37ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG780666012

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780666012

Diamond specifications and retailer prices

From $1,325 USD
As of October 29, 2026
Save $7,375 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,300 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.37ct lab-grown oval diamond

This 3.37ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780666012 or 780666012. Listed at 14 retailers as of October 29, 2026, with a 557% 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

3.37
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666012
Dimensions11.94 × 8.53 × 5.21 mm
L/W Ratio1.40
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
11.94 mm8.53 mm3.37 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666012
Side View
Table 57.0%Crown 36.4°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 61.1%

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: $17,300 USD|Low: $1,325 USD|High: $17,830 USD|Avg: $5,208 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 2$1,325 USD
Retailer 6$1,326 USD
Retailer 5$1,815 USD
Retailer 9$2,113 USD
Retailer 4$2,368 USD
Retailer 8$2,448 USD
Retailer 10$2,715 USD
Retailer 11$3,245 USD
Retailer 3$4,507 USD
Retailer 12$5,700 USD
Retailer 7$8,700 USD
Brilliant Earth$17,300 USD

34 data points across 12 retailers

14 retailers$1,325 USD to $8,700 USD

A+
Cheapest Retailer
-
$1,325 USD
A+
Retailer 2
-
$1,326 USD
View
Retailer 3
-
$1,705 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
$1,815 USD
View
Retailer 5
-
$1,933 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$2,113 USD
€2,012 EUR
View
A
Retailer 7
-
$2,448 USD
View
A
Retailer 8
-
$2,715 USD
View
Retailer 9
-
$3,126 USD
View
Price last confirmed 29 days ago
A
Retailer 10
-
$3,245 USD
View
Retailer 11
-
$4,507 USD
£3,549 GBP
View
Price last confirmed 8 days ago
Retailer 12
-
$5,700 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$8,700 USD
View
Most Expensive
Brilliant Earth
18577639Y · Oct 29
$17,300 USD
View
Price under review
13 more retailers have this diamond
Prices start from $1,325 USDSave up to $7,375 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A+
3.37ct Oval
$1,325 USD