Marquise|Lab Grown|IGI

5.50ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG839623354

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839623354

Diamond specifications and retailer prices

From $1,357 USD
HK$10,600 HKD
As of October 30, 2026
Save $4,298 USD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,655 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.5ct lab-grown marquise diamond

This 5.5ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839623354 or 839623354. Listed at 11 retailers as of October 28, 2026, with prices from $1,357 to $5,655, a $4,298 spread on the same certified stone. Rare Carat lists it at $5,655. 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

5.50
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839623354
Dimensions19.03 × 9.49 × 5.38 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.03 mm9.49 mm5.50 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839623354
Side View
Table 65.0%Crown 32.9°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 56.7%

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: Oct 30
Current: $5,655 USD|Low: $1,357 USD|High: $6,099 USD|Avg: $3,219 USD|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6$1,357 USD
Retailer 8$1,528 USD
Retailer 2$1,768 USD
Retailer 9$1,831 USD
Retailer 4$1,859 USD
Retailer 11$2,603 USD
Retailer 5$3,891 USD
Retailer 10$3,994 USD
Retailer 3$4,383 USD
Retailer 7$5,623 USD
Rare Carat$5,655 USD

30 data points across 11 retailers

11 retailers$1,357 USD to $5,655 USD

A
Cheapest Retailer
-
$1,357 USD
HK$10,600 HKD
A
Retailer 2
-
$1,528 USD
View
A
Retailer 3
-
$1,768 USD
£1,392 GBP
View
A
Retailer 4
-
$1,831 USD
View
A
Retailer 5
-
$1,859 USD
€1,770 EUR
View
B+
Retailer 6
-
$2,603 USD
View
B+
Retailer 7
-
$3,891 USD
£3,064 GBP
View
B
Retailer 8
-
$3,994 USD
View
Retailer 9
-
$4,383 USD
A$6,743 AUD
View
Price last confirmed 22 days ago
B
Retailer 10
-
$5,623 USD
View
Most Expensive
B
Rare Carat
KI3546233KF839 · Oct 28
$5,655 USD
View
10 more retailers have this diamond
Prices start from $1,357 USDSave up to $4,298 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
5.50ct Marquise
$1,357 USD