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Oval|Lab Grown|IGI

3.88ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG804660634

Certificate IGI LG804660634

Diamond specifications and retailer prices

From $4,047 USD
Save $17,543 USD (81%) vs most expensive(unlock to see where)
14 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 LG804660634 or 804660634. Listed at 14 retailers, with prices from $4,047 to $21,590 at Brilliant Earth, a $17,543 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 angle35.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660634
Dimensions12.68 × 9.01 × 5.45 mm
L/W Ratio1.41
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
12.68 mm9.01 mm3.88 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660634
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.5%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $21,590 USD|Low: $2,748 USD|High: $21,640 USD|Avg: $8,621 USD|-0.2%
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
Retailer 15
Retailer 16
October 1, 2026
Retailer 3$2,748 USD
Retailer 15$4,047 USD
Retailer 10$4,458 USD
Retailer 7$5,171 USD
Retailer 5$5,180 USD
Retailer 11$5,707 USD
Retailer 14$6,608 USD
Retailer 16$7,155 USD
Retailer 6$7,303 USD
Retailer 13$9,036 USD
Retailer 12$9,502 USD
Retailer 9$9,697 USD
Retailer 8$11,375 USD
Retailer 2$12,838 USD
Retailer 4$16,060 USD
Brilliant Earth$21,590 USD

22 data points across 16 retailers

14 retailers$4,047 USD to $21,590 USD

B+
Cheapest Retailer
-
$4,047 USD
B+
Retailer 2
-
$4,458 USD
View
B
Retailer 3
-
$5,171 USD
HK$40,400 HKD
View
B
Retailer 4
-
$5,180 USD
View
B
Retailer 5
-
$5,707 USD
£4,493 GBP
View
B
Retailer 6
-
$6,608 USD
€6,293 EUR
View
B
Retailer 7
-
$7,155 USD
A$11,008 AUD
View
B
Retailer 8
-
$9,036 USD
£7,115 GBP
View
C
Retailer 9
-
$9,502 USD
ZAR 153,502 ZAR
View
B
Retailer 10
-
$9,697 USD
View
C
Retailer 11
-
$11,375 USD
View
C
Retailer 12
-
$12,838 USD
View
C
Retailer 13
-
$16,388 USD
View
Most Expensive
C
Brilliant Earth
20566539A · Oct 1
$21,590 USD
View
13 more retailers have this diamond
Prices start from $4,047 USDSave up to $17,543 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+
3.88ct Oval
$4,047 USD