Marquise|Lab Grown|IGI

4.00ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG807664568

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807664568

Diamond specifications and retailer prices

From $639 USD
As of October 31, 2026
Save $4,154 USD (87%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,490 USD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG807664568 or 807664568. Listed at 6 retailers as of October 31, 2026, with a 650% 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

4.00
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807664568
Dimensions16.30 × 8.34 × 5.18 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.30 mm8.34 mm4.00 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807664568
Side View
Table 61.0%Crown 35.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.1%

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: $6,490 USD|Low: $639 USD|High: $6,800 USD|Avg: $2,268 USD|-4.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 5$639 USD
Retailer 7$883 USD
Retailer 8$1,093 USD
Retailer 12$1,100 USD
Retailer 10$1,484 USD
Retailer 4$1,594 USD
Retailer 3$1,768 USD
Retailer 11$2,191 USD
Retailer 2$2,300 USD
Retailer 9$3,060 USD
Retailer 6$4,793 USD
Brilliant Earth$6,490 USD

20 data points across 12 retailers

6 retailers$639 USD to $4,793 USD

A
Cheapest Retailer
-
$639 USD
Final sale: no returns
B+
Retailer 2
-
$883 USD
View
B+
Retailer 3
-
$2,300 USD
View
Retailer 4
-
$3,060 USD
View
Price last confirmed 24 days ago
B
Retailer 5
-
$4,793 USD
View
Most Expensive
Brilliant Earth
20226507A · Oct 8
$6,490 USD
View
Price last confirmed 23 days ago
5 more retailers have this diamond
Prices start from $639 USDSave up to $4,154 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
4.00ct Marquise
$639 USD