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Oval|Lab Grown|IGI

3.88ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG816639715

Certificate IGI LG816639715

Diamond specifications and retailer prices

From $3,755 USD
Save $17,835 USD (83%) vs most expensive(unlock to see where)
22 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 LG816639715 or 816639715. Listed at 22 retailers, with prices from $3,755 to $21,590 at Brilliant Earth, a $17,835 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816639715
Dimensions13.42 × 8.82 × 5.34 mm
L/W Ratio1.52
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.42 mm8.82 mm3.88 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816639715
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $21,590 USD|Low: $2,462 USD|High: $21,590 USD|Avg: $8,715 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 12
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Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
September 29, 2026
Retailer 20$3,659 USD
Retailer 7$3,755 USD
Retailer 5$3,997 USD
Retailer 2$4,774 USD
Retailer 4$5,086 USD
Retailer 13$5,279 USD
Retailer 16$5,416 USD
Retailer 3$5,935 USD
Retailer 8$6,081 USD
Retailer 11$9,719 USD
Retailer 19$9,832 USD
Retailer 6$9,970 USD
Retailer 14$10,187 USD
Retailer 10$10,388 USD
Retailer 9$11,330 USD
Retailer 17$13,951 USD
Retailer 12$17,328 USD
Retailer 15$18,170 USD
Retailer 18$19,490 USD
Brilliant Earth$21,590 USD

21 data points across 20 retailers

22 retailers$3,755 USD to $21,590 USD

B+
Retailer 1
-
$3,554 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$3,755 USD
View
B+
Retailer 3
-
$3,997 USD
CA$5,551 CAD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$4,386 USD
View
Price last confirmed 57 days ago
B
Retailer 5
-
$4,774 USD
View
B
Retailer 6
-
$5,086 USD
View
B
Retailer 7
-
$5,279 USD
View
B
Retailer 8
-
$5,416 USD
£4,265 GBP
View
B
Retailer 9
-
$5,935 USD
€5,652 EUR
View
B
Retailer 10
-
$6,081 USD
£4,788 GBP
View
C
Retailer 11
-
$9,391 USD
View
C
Retailer 12
-
$9,719 USD
View
Price last confirmed 8 days ago
C
Retailer 13
-
$9,832 USD
View
C
Retailer 14
-
$9,970 USD
View
C
Retailer 15
-
$10,187 USD
£8,021 GBP
View
C
Retailer 16
-
$10,388 USD
View
C
Retailer 17
-
$11,330 USD
View
C
Retailer 18
-
$13,951 USD
View
C
Retailer 19
-
$17,328 USD
View
Price last confirmed 55 days ago
C
Retailer 20
-
$18,170 USD
View
C
Retailer 21
-
$19,490 USD
View
Most Expensive
C
Brilliant Earth
21521998Y · Sep 28
$21,590 USD
View
21 more retailers have this diamond
Prices start from $3,755 USDSave up to $17,835 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
$3,755 USD