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Marquise|Lab Grown|IGI

3.93ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG816654849

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816654849

Diamond specifications and retailer prices

From $872 USD
As of November 2, 2026
Save $390 USD (31%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,080 USD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 3.93ct lab-grown marquise diamond

This 3.93ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816654849 or 816654849. Listed at 6 retailers as of November 2, 2026, with a 45% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.93
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816654849
Dimensions15.49 × 8.26 × 5.37 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.49 mm8.26 mm3.93 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816654849
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,080 USD|Low: $872 USD|High: $4,120 USD|Avg: $2,173 USD|-1.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 27, 2026
Retailer 4$872 USD
Retailer 5$888 USD
Retailer 2$1,074 USD
Retailer 7$1,076 USD
Retailer 3$1,262 USD
Retailer 6$2,985 USD
Brilliant Earth$4,080 USD

12 data points across 7 retailers

6 retailers$872 USD to $1,262 USD

A
Cheapest Retailer
-
$872 USD
B+
Retailer 2
-
$888 USD
View
A
Retailer 3
-
$1,074 USD
€1,023 EUR
View
A
Retailer 4
-
$1,262 USD
View
Retailer 5
-
$2,985 USD
View
Price last confirmed 33 days ago
Most Expensive
Brilliant Earth
21487340A · Oct 1
$4,080 USD
View
Price last confirmed 32 days ago
5 more retailers have this diamond
Prices start from $872 USDSave up to $390 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.93ct Marquise
$872 USD