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Oval|Lab Grown|IGI

3.88ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG788641857

Certificate IGI LG788641857

Diamond specifications and retailer prices

From $3,080 USD
Save $18,510 USD (86%) vs most expensive(unlock to see where)
27 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 LG788641857 or 788641857. Listed at 27 retailers, with prices from $3,080 to $21,590 at Brilliant Earth, a $18,510 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 angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788641857
Dimensions13.07 × 8.78 × 5.38 mm
L/W Ratio1.49
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.07 mm8.78 mm3.88 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788641857
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

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 28
Current: $21,590 USD|Low: $2,445 USD|High: $21,590 USD|Avg: $8,369 USD
Brilliant Earth
Retailer 2
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Retailer 27
September 29, 2026
Retailer 22$3,080 USD
Retailer 14$3,200 USD
Retailer 4$3,351 USD
Retailer 6$3,523 USD
Retailer 27$3,572 USD
Retailer 17$3,594 USD
Retailer 3$3,628 USD
Retailer 11$3,730 USD
Retailer 16$3,805 USD
Retailer 8$3,962 USD
Retailer 26$4,927 USD
Retailer 15$5,043 USD
Retailer 2$5,381 USD
Retailer 5$5,885 USD
Retailer 12$6,035 USD
Retailer 13$8,988 USD
Retailer 7$9,309 USD
Retailer 25$9,750 USD
Retailer 9$9,885 USD
Retailer 21$10,116 USD
Retailer 19$10,315 USD
Retailer 18$11,233 USD
Retailer 23$13,831 USD
Retailer 20$15,139 USD
Retailer 24$18,170 USD
Retailer 10$19,320 USD
Brilliant Earth$21,590 USD

26 data points across 27 retailers

27 retailers$3,080 USD to $21,590 USD

A
Cheapest Retailer
-
$3,080 USD
A
Retailer 2
-
$3,200 USD
View
A
Retailer 3
-
$3,351 USD
View
A
Retailer 4
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$3,523 USD
View
A
Retailer 5
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$3,572 USD
View
A
Retailer 6
-
$3,594 USD
View
A
Retailer 7
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$3,628 USD
View
A
Retailer 8
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$3,730 USD
View
A
Retailer 9
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$3,805 USD
View
A
Retailer 10
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$3,962 USD
CA$5,503 CAD
View
B+
Retailer 11
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$4,927 USD
View
B+
Retailer 12
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$5,043 USD
View
B+
Retailer 13
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$5,387 USD
£4,242 GBP
View
B+
Retailer 14
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$5,885 USD
€5,605 EUR
View
B+
Retailer 15
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$6,035 USD
£4,752 GBP
View
B
Retailer 16
-
$8,988 USD
ZAR 145,204 ZAR
View
B+
Retailer 17
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$9,309 USD
View
B
Retailer 18
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$9,750 USD
View
B
Retailer 19
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$9,885 USD
View
B
Retailer 20
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$10,116 USD
£7,965 GBP
View
B
Retailer 21
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$10,315 USD
View
B
Retailer 22
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$11,233 USD
View
B
Retailer 23
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$13,831 USD
View
B
Retailer 24
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$18,170 USD
View
B
Retailer 25
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$19,320 USD
View
B
Retailer 26
-
$21,190 USD
View
Most Expensive
B
Brilliant Earth
19018008Y · Oct 1
$21,590 USD
View
26 more retailers have this diamond
Prices start from $3,080 USDSave up to $18,510 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
$3,080 USD