Marquise|Lab Grown|IGI

4.50ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG669445508

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG669445508

Diamond specifications and retailer prices

From $1,147 USD
As of November 2, 2026
3 retailers carry this diamond
Most expensive: $3,245 USD at Taylor and Hart · As of October 5, 2026
View at Taylor and Hart

About this 4.5ct lab-grown marquise diamond

This 4.5ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG669445508 or 669445508. Listed at 3 retailers as of November 2, 2026. 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

4.50
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669445508
Dimensions17.71 × 8.55 × 5.19 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.71 mm8.55 mm4.50 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669445508
Side View
Table 60.0%Crown 32.9°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.7%

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: $1,147 USD|Low: $1,099 USD|High: $7,230 USD|Avg: $2,661 USD|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Taylor and Hart
October 7, 2026
Retailer 1$1,147 USD
Retailer 5$1,161 USD
Retailer 6$1,163 USD
Retailer 2$1,416 USD
Retailer 3$2,850 USD
Taylor and Hart$3,245 USD
Retailer 4$3,444 USD
Retailer 7$7,230 USD

12 data points across 8 retailers

3 retailers

A
Cheapest Retailer
-
$1,147 USD
Retailer 2
-
$2,850 USD
View
Price last confirmed 29 days ago
Most Expensive
Taylor and Hart
QCQ787K · Oct 5
$3,245 USD
View
Price last confirmed 29 days ago
2 more retailers have this diamond
Prices start from $1,147 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
4.50ct Marquise
$1,147 USD