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Oval|Lab Grown|IGI

3.88ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG780665824

Certificate IGI LG780665824

Diamond specifications and retailer prices

From $2,795 USD
Save $18,795 USD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $21,590 USD at Brilliant Earth
View at Brilliant Earth

About this 3.88ct lab-grown oval diamond

This 3.88ct 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 LG780665824 or 780665824. Listed at 16 retailers, with prices from $2,795 to $21,590 at Brilliant Earth, a $18,795 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

3.88
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665824
Dimensions12.52 × 8.66 × 5.55 mm
L/W Ratio1.45
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
12.52 mm8.66 mm3.88 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665824
Side View
Table 57.0%Crown 37.1°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 64.1%

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 28
Current: $21,590 USD|Low: $2,447 USD|High: $24,790 USD|Avg: $9,862 USD|-12.9%
Brilliant Earth
Retailer 2
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Retailer 4
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Retailer 12
Retailer 13
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Retailer 19
September 29, 2026
Retailer 13$2,795 USD
Retailer 16$3,041 USD
Retailer 18$3,187 USD
Retailer 5$3,405 USD
Retailer 7$3,426 USD
Retailer 3$3,812 USD
Retailer 6$4,318 USD
Retailer 15$4,472 USD
Retailer 2$4,861 USD
Retailer 19$5,590 USD
Retailer 8$7,041 USD
Retailer 10$8,573 USD
Retailer 14$8,830 USD
Retailer 12$9,181 USD
Retailer 4$19,230 USD
Retailer 17$19,699 USD
Brilliant Earth$21,590 USD
Retailer 11$21,722 USD
Retailer 9$22,788 USD

23 data points across 19 retailers

16 retailers$2,795 USD to $21,590 USD

A
Cheapest Retailer
-
$2,795 USD
A
Retailer 2
-
$3,041 USD
View
A
Retailer 3
-
$3,187 USD
View
A
Retailer 4
-
$3,405 USD
View
A
Retailer 5
-
$3,426 USD
View
A
Retailer 6
-
$3,812 USD
View
A
Retailer 7
-
$4,318 USD
View
B+
Retailer 8
-
$4,472 USD
View
B+
Retailer 9
-
$4,861 USD
View
B+
Retailer 10
-
$5,590 USD
€5,324 EUR
View
B+
Retailer 11
-
$7,041 USD
View
Price last confirmed 73 days ago
B
Retailer 12
-
$8,830 USD
View
B+
Retailer 13
-
$9,181 USD
£7,229 GBP
View
B
Retailer 14
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$19,230 USD
View
B
Retailer 15
-
$19,699 USD
View
Most Expensive
B
Brilliant Earth
18577446Y · Oct 1
$21,590 USD
View
15 more retailers have this diamond
Prices start from $2,795 USDSave up to $18,795 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
3.88ct Oval
$2,795 USD