Oval|Lab Grown|IGI

3.75ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG811635727

Certificate IGI LG811635727

Diamond specifications and retailer prices

From $2,704 USD
Save $16,375 USD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $23,960 USD at Brilliant Earth
View at Brilliant Earth

About this 3.75ct lab-grown oval diamond

This 3.75ct 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 LG811635727 or 811635727. Listed at 12 retailers, with a 606% 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

3.75
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635727
Dimensions12.11 × 8.66 × 5.59 mm
L/W Ratio1.40
Girdle conditionFaceted
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
12.11 mm8.66 mm3.75 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635727
Side View
Table 57.0%Crown 36.1°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $23,960 USD|Low: $2,704 USD|High: $23,960 USD|Avg: $8,158 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
September 29, 2026
Retailer 6$2,704 USD
Retailer 8$2,942 USD
Retailer 10$3,088 USD
Retailer 12$3,582 USD
Retailer 13$4,174 USD
Retailer 7$4,327 USD
Retailer 11$5,403 USD
Retailer 5$7,054 USD
Retailer 2$8,882 USD
Retailer 4$8,961 USD
Retailer 3$12,418 USD
Retailer 9$19,079 USD
Brilliant Earth$23,960 USD

15 data points across 13 retailers

12 retailers$2,704 USD to $19,079 USD

B+
Cheapest Retailer
-
$2,704 USD
B+
Retailer 2
-
$2,942 USD
View
B+
Retailer 3
-
$3,088 USD
View
B+
Retailer 4
-
$3,582 USD
View
B+
Retailer 5
-
$4,174 USD
View
B+
Retailer 6
-
$4,327 USD
View
B
Retailer 7
-
$5,403 USD
€5,146 EUR
View
B
Retailer 8
-
$7,054 USD
View
Price last confirmed 73 days ago
B
Retailer 9
-
$8,882 USD
£6,994 GBP
View
C
Retailer 10
-
$12,418 USD
View
Price last confirmed 44 days ago
C
Retailer 11
-
$19,079 USD
View
Most Expensive
C
Brilliant Earth
21060257Y · Oct 1
$23,960 USD
View
Price under review
11 more retailers have this diamond
Prices start from $2,704 USDSave up to $16,375 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.

B+
3.75ct Oval
$2,704 USD