Marquise|Lab Grown|IGI

4.50ct G VS2 Marquise Lab Grown Diamond

VG • G/VS2 • IGI LG825655285

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825655285

Diamond specifications and retailer prices

From $700 USD
As of October 30, 2026
Save $3,198 USD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,898 USD at With Clarity · As of November 2, 2026
View at With Clarity

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 very-good cut grade and certified by IGI LG825655285 or 825655285. Listed at 20 retailers as of October 30, 2026, with prices from $700 to $3,898, a $3,198 spread on the same certified stone. With Clarity lists it at $3,898. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.50
Carat
G
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825655285
Dimensions17.69 × 8.61 × 5.25 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.69 mm8.61 mm4.50 ctG / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825655285
Side View
Table 63.0%Crown 32.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

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: Oct 30
Current: $1,302 USD|Low: $700 USD|High: $3,938 USD|Avg: $1,828 USD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
November 2, 2026
Retailer 5$700 USD
Retailer 3$762 USD
Retailer 9$784 USD
Retailer 18$812 USD
Retailer 11$820 USD
Retailer 12$822 USD
Retailer 17$990 USD
Retailer 14$1,248 USD
Retailer 1$1,302 USD
Retailer 16$1,319 USD
Retailer 4$1,507 USD
Retailer 6$2,001 USD
Retailer 19$2,284 USD
Retailer 8$2,530 USD
Retailer 7$2,739 USD
Retailer 2$2,772 USD
Retailer 10$2,802 USD
Retailer 15$2,810 USD
Retailer 13$3,208 USD
With Clarity$3,898 USD

20 data points across 20 retailers

20 retailers$700 USD to $3,898 USD

A
Cheapest Retailer
-
$700 USD
A
Retailer 2
-
$762 USD
View
A
Retailer 3
-
$784 USD
View
Final sale: no returns
A
Retailer 4
-
$812 USD
View
Retailer 5
-
$820 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$822 USD
£647 GBP
View
A
Retailer 7
-
$990 USD
View
A
Retailer 8
-
$1,248 USD
View
A
Retailer 9
-
$1,302 USD
£1,025 GBP
View
B+
Retailer 10
-
$1,319 USD
View
A
Retailer 11
-
$1,507 USD
View
B+
Retailer 12
-
$2,001 USD
View
B+
Retailer 13
-
$2,284 USD
View
B+
Retailer 14
-
$2,530 USD
£1,992 GBP
View
B+
Retailer 15
-
$2,739 USD
SGD 3,702 SGD
View
B
Retailer 16
-
$2,772 USD
View
B
Retailer 17
-
$2,802 USD
View
B
Retailer 18
-
$2,810 USD
View
B
Retailer 19
-
$3,208 USD
£2,526 GBP
View
Most Expensive
B
With Clarity
825655285 · Nov 2
$3,898 USD
View
19 more retailers have this diamond
Prices start from $700 USDSave up to $3,198 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
$700 USD