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Oval|Lab Grown|IGI

3.87ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG780663598

Certificate IGI LG780663598

Diamond specifications and retailer prices

From $3,783 USD
Save $11,917 USD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $15,700 USD at Brilliant Earth
View at Brilliant Earth

About this 3.87ct lab-grown oval diamond

This 3.87ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780663598 or 780663598. Listed at 14 retailers, with prices from $3,783 to $15,700 at Brilliant Earth, a $11,917 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

3.87
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663598
Dimensions12.65 × 8.69 × 5.50 mm
L/W Ratio1.46
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
12.65 mm8.69 mm3.87 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663598
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.3%

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: $11,317 USD|Low: $2,539 USD|High: $14,786 USD|Avg: $7,419 USD|-16.6%
Retailer 1
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 2$2,539 USD
Retailer 14$3,783 USD
Retailer 8$3,920 USD
Retailer 6$4,762 USD
Retailer 9$5,273 USD
Retailer 5$5,661 USD
Retailer 13$6,083 USD
Retailer 12$7,260 USD
Retailer 7$8,514 USD
Retailer 10$8,818 USD
Retailer 11$9,924 USD
Retailer 4$10,514 USD
Retailer 1$11,317 USD
Retailer 3$14,786 USD

24 data points across 14 retailers

14 retailers$3,783 USD to $15,700 USD

A
Cheapest Retailer
-
$3,783 USD
A
Retailer 2
-
$3,920 USD
View
B+
Retailer 3
-
$4,762 USD
HK$37,200 HKD
View
B+
Retailer 4
-
$5,273 USD
£4,152 GBP
View
B+
Retailer 5
-
$5,661 USD
View
B+
Retailer 6
-
$6,083 USD
€5,793 EUR
View
B
Retailer 7
-
$7,260 USD
View
B
Retailer 8
-
$8,514 USD
View
B
Retailer 9
-
$8,818 USD
ZAR 142,462 ZAR
View
B
Retailer 10
-
$9,924 USD
£7,814 GBP
View
B
Retailer 11
-
$10,514 USD
View
B
Retailer 12
-
$11,317 USD
View
B
Retailer 13
-
$15,088 USD
View
Most Expensive
B
Brilliant Earth
19088516A · Sep 29
$15,700 USD
View
13 more retailers have this diamond
Prices start from $3,783 USDSave up to $11,917 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
3.87ct Oval
$3,783 USD