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Oval|Lab Grown|IGI

3.74ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG788641855

Certificate IGI LG788641855

Diamond specifications and retailer prices

From $2,868 USD
Save $17,942 USD (86%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $20,810 USD at Brilliant Earth
View at Brilliant Earth

About this 3.74ct lab-grown oval diamond

This 3.74ct 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 LG788641855 or 788641855. Listed at 28 retailers, with prices from $2,868 to $20,810 at Brilliant Earth, a $17,942 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

3.74
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788641855
Dimensions12.99 × 8.72 × 5.37 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
12.99 mm8.72 mm3.74 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788641855
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.6%

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: $20,810 USD|Low: $2,150 USD|High: $20,860 USD|Avg: $6,661 USD|-0.2%
Brilliant Earth
Retailer 2
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Retailer 26
September 29, 2026
Retailer 19$2,150 USD
Retailer 21$2,868 USD
Retailer 26$3,121 USD
Retailer 12$3,135 USD
Retailer 4$3,281 USD
Retailer 24$3,327 USD
Retailer 7$3,485 USD
Retailer 9$3,554 USD
Retailer 25$3,681 USD
Retailer 5$3,820 USD
Retailer 23$4,573 USD
Retailer 2$4,595 USD
Retailer 11$4,648 USD
Retailer 10$4,752 USD
Retailer 3$4,928 USD
Retailer 18$5,322 USD
Retailer 8$5,745 USD
Retailer 13$7,586 USD
Retailer 6$8,277 USD
Retailer 20$8,534 USD
Retailer 17$8,919 USD
Retailer 15$9,708 USD
Retailer 14$10,827 USD
Retailer 16$11,592 USD
Retailer 22$15,973 USD
Brilliant Earth$20,810 USD

36 data points across 26 retailers

28 retailers$2,868 USD to $20,810 USD

A
Cheapest Retailer
-
$2,868 USD
A
Retailer 2
-
$3,121 USD
View
A
Retailer 3
-
$3,135 USD
View
A
Retailer 4
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$3,184 USD
View
Price last confirmed 19 days ago
A
Retailer 5
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$3,281 USD
View
A
Retailer 6
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$3,327 USD
View
A
Retailer 7
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$3,485 USD
View
A
Retailer 8
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$3,554 USD
View
A
Retailer 9
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$3,681 USD
View
A
Retailer 10
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$3,820 USD
CA$5,306 CAD
View
B+
Retailer 11
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$4,573 USD
View
B+
Retailer 12
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$4,601 USD
£3,623 GBP
View
A
Retailer 13
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$4,648 USD
View
B+
Retailer 14
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$4,752 USD
View
B+
Retailer 15
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$4,928 USD
€4,693 EUR
View
B+
Retailer 16
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$5,322 USD
A$8,188 AUD
View
B+
Retailer 17
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$5,745 USD
£4,524 GBP
View
B+
Retailer 18
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$7,586 USD
ZAR 122,545 ZAR
View
B
Retailer 19
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$8,277 USD
View
B
Retailer 20
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$8,327 USD
View
B
Retailer 21
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$8,534 USD
£6,720 GBP
View
B
Retailer 22
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$8,919 USD
View
Price last confirmed 8 days ago
B
Retailer 23
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$9,708 USD
View
B
Retailer 24
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$10,827 USD
View
B
Retailer 25
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$11,592 USD
View
B
Retailer 26
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$16,299 USD
View
B
Retailer 27
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$17,514 USD
View
Most Expensive
B
Brilliant Earth
19001629A · Sep 29
$20,810 USD
View
27 more retailers have this diamond
Prices start from $2,868 USDSave up to $17,942 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
3.74ct Oval
$2,868 USD