Marquise|Lab Grown|IGI

3.92ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG812632354

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812632354

Diamond specifications and retailer prices

From $566 USD
As of October 31, 2026
Save $3,095 USD (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,661 USD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.92ct lab-grown marquise diamond

This 3.92ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812632354 or 812632354. Listed at 5 retailers as of October 31, 2026, with prices from $566 to $3,661, a $3,095 spread on the same certified stone. Frank Darling lists it at $3,661. 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

3.92
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812632354
Dimensions16.83 × 8.31 × 5.02 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.83 mm8.31 mm3.92 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812632354
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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: Oct 31
Current: $3,661 USD|Low: $566 USD|High: $3,661 USD|Avg: $1,567 USD|+0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2$566 USD
Retailer 4$788 USD
Retailer 6$961 USD
Retailer 5$2,057 USD
Retailer 3$2,605 USD
Frank Darling$3,661 USD

16 data points across 6 retailers

5 retailers$566 USD to $3,661 USD

A
Cheapest Retailer
-
$566 USD
Final sale: no returns
B+
Retailer 2
-
$788 USD
View
B+
Retailer 3
-
$2,057 USD
View
Retailer 4
-
$2,605 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Frank Darling
100748349549KD · Oct 31
$3,661 USD
View
4 more retailers have this diamond
Prices start from $566 USDSave up to $3,095 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
3.92ct Marquise
$566 USD