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Marquise|Lab Grown|IGI

3.78ct F VVS2 Marquise Lab Grown Diamond

EX • F/VVS2 • IGI LG811601244

Certificate IGI LG811601244

Diamond specifications and retailer prices

From $812 USD
Save $3,994 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,806 USD at Frank Darling
View at Frank Darling

About this 3.78ct lab-grown marquise diamond

This 3.78ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811601244 or 811601244. Listed at 10 retailers, with prices from $812 to $4,806 at Frank Darling, a $3,994 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

3.78
Carat
F
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811601244
Dimensions16.06 × 8.16 × 16.06 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.06 mm8.16 mm3.78 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811601244
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

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: $4,806 USD|Low: $775 USD|High: $4,806 USD|Avg: $2,054 USD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
September 30, 2026
Retailer 5$812 USD
Retailer 11$925 USD
Retailer 8$1,025 USD
Retailer 3$1,527 USD
Retailer 9$1,709 USD
Retailer 10$1,753 USD
Retailer 12$2,098 USD
Retailer 6$2,530 USD
Retailer 4$2,932 USD
Retailer 2$3,830 USD
Retailer 7$4,540 USD
Frank Darling$4,806 USD

22 data points across 12 retailers

10 retailers$812 USD to $4,806 USD

B+
Cheapest Retailer
-
$812 USD
B+
Retailer 2
-
$1,527 USD
View
Price last confirmed 45 days ago
B+
Retailer 3
-
$1,709 USD
View
Price last confirmed 31 days ago
B+
Retailer 4
-
$1,753 USD
£1,380 GBP
View
Price last confirmed 29 days ago
B+
Retailer 5
-
$2,098 USD
View
Price last confirmed 30 days ago
B
Retailer 6
-
$2,530 USD
View
B
Retailer 7
-
$2,932 USD
A$4,510 AUD
View
Price last confirmed 89 days ago
B
Retailer 8
-
$3,830 USD
View
B
Retailer 9
-
$4,540 USD
View
Most Expensive
B
Frank Darling
100756186989KD · Sep 30
$4,806 USD
View
9 more retailers have this diamond
Prices start from $812 USDSave up to $3,994 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+
3.78ct Marquise
$812 USD