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Oval|Lab Grown|IGI

3.75ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG754508385

Certificate IGI LG754508385

Diamond specifications and retailer prices

From $3,592 USD
Save $17,268 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $20,860 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 LG754508385 or 754508385. Listed at 13 retailers, with prices from $3,592 to $20,860 at Brilliant Earth, a $17,268 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

3.75
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508385
Dimensions12.45 × 8.74 × 5.49 mm
L/W Ratio1.42
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
12.45 mm8.74 mm3.75 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508385
Side View
Table 58.0%Crown 37°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.8%

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 30
Current: $20,860 USD|Low: $2,656 USD|High: $23,960 USD|Avg: $8,385 USD|-12.9%
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
October 1, 2026
Retailer 5$2,656 USD
Retailer 14$3,592 USD
Retailer 4$3,613 USD
Retailer 8$4,310 USD
Retailer 2$4,832 USD
Retailer 6$5,069 USD
Retailer 13$6,385 USD
Retailer 3$6,941 USD
Retailer 12$8,752 USD
Retailer 9$8,800 USD
Retailer 11$9,202 USD
Retailer 7$9,372 USD
Retailer 10$12,406 USD
Brilliant Earth$20,860 USD

21 data points across 14 retailers

13 retailers$3,592 USD to $20,860 USD

A
Cheapest Retailer
-
$3,592 USD
A
Retailer 2
-
$3,613 USD
View
A
Retailer 3
-
$4,310 USD
View
B+
Retailer 4
-
$4,832 USD
£3,805 GBP
View
B+
Retailer 5
-
$5,069 USD
HK$39,600 HKD
View
B+
Retailer 6
-
$6,385 USD
€6,081 EUR
View
B+
Retailer 7
-
$6,941 USD
A$10,678 AUD
View
B+
Retailer 8
-
$8,752 USD
£6,891 GBP
View
B
Retailer 9
-
$8,800 USD
View
B
Retailer 10
-
$9,202 USD
ZAR 148,659 ZAR
View
B+
Retailer 11
-
$9,372 USD
View
B
Retailer 12
-
$12,406 USD
View
Most Expensive
B
Brilliant Earth
19647627Y · Sep 29
$20,860 USD
View
12 more retailers have this diamond
Prices start from $3,592 USDSave up to $17,268 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
3.75ct Oval
$3,592 USD