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Oval|Lab Grown|IGI

3.80ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG780662043

Certificate IGI LG780662043

Diamond specifications and retailer prices

From $2,740 USD
Save $18,400 USD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $21,140 USD at Brilliant Earth
View at Brilliant Earth

About this 3.8ct lab-grown oval diamond

This 3.8ct 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 LG780662043 or 780662043. Listed at 16 retailers, with prices from $2,740 to $21,140 at Brilliant Earth, a $18,400 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

3.80
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662043
Dimensions12.12 × 8.70 × 5.47 mm
L/W Ratio1.39
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
12.12 mm8.70 mm3.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662043
Side View
Table 61.0%Crown 36.8°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.9%

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: $21,140 USD|Low: $2,501 USD|High: $22,331 USD|Avg: $9,524 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 19
October 1, 2026
Retailer 13$2,740 USD
Retailer 16$2,981 USD
Retailer 6$3,069 USD
Retailer 18$3,127 USD
Retailer 5$3,340 USD
Retailer 3$3,670 USD
Retailer 7$4,230 USD
Retailer 15$4,384 USD
Retailer 12$4,871 USD
Retailer 19$5,476 USD
Retailer 8$6,967 USD
Retailer 11$8,397 USD
Retailer 14$8,654 USD
Retailer 2$9,000 USD
Retailer 10$14,075 USD
Retailer 4$18,850 USD
Retailer 17$19,318 USD
Brilliant Earth$21,140 USD
Retailer 9$22,331 USD

17 data points across 19 retailers

16 retailers$2,740 USD to $21,140 USD

A
Cheapest Retailer
-
$2,740 USD
A
Retailer 2
-
$2,981 USD
View
A
Retailer 3
-
$3,069 USD
View
A
Retailer 4
-
$3,127 USD
View
A
Retailer 5
-
$3,340 USD
View
A
Retailer 6
-
$3,670 USD
View
A
Retailer 7
-
$4,230 USD
View
B+
Retailer 8
-
$4,384 USD
View
B+
Retailer 9
-
$4,871 USD
View
B+
Retailer 10
-
$5,476 USD
€5,215 EUR
View
B+
Retailer 11
-
$6,967 USD
View
Price last confirmed 73 days ago
B
Retailer 12
-
$8,654 USD
View
B+
Retailer 13
-
$9,000 USD
£7,087 GBP
View
B
Retailer 14
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$18,850 USD
View
B
Retailer 15
-
$19,318 USD
View
Most Expensive
B
Brilliant Earth
18495055Y · Oct 1
$21,140 USD
View
15 more retailers have this diamond
Prices start from $2,740 USDSave up to $18,400 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
3.80ct Oval
$2,740 USD