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Marquise|Lab Grown|IGI

5.51ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG696557543

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG696557543

Diamond specifications and retailer prices

From $1,290 USD
As of October 27, 2026
Save $2,592 USD (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,882 USD at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 5.51ct lab-grown marquise diamond

This 5.51ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG696557543 or 696557543. Listed at 10 retailers as of October 26, 2026, with prices from $1,290 to $3,882, a $2,592 spread on the same certified stone. Taylor and Hart lists it at $3,882. 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

5.51
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696557543
Dimensions19.21 × 9.19 × 5.20 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.21 mm9.19 mm5.51 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696557543
Side View
Table 66.0%Crown 33.9°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 56.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $2,403 USD|Low: $819 USD|High: $13,700 USD|Avg: $3,602 USD|+2.1%
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
Taylor and Hart
October 26, 2026
Retailer 11$1,075 USD
Retailer 8$1,290 USD
Retailer 7$1,732 USD
Retailer 3$1,859 USD
Retailer 14$1,922 USD
Retailer 1$2,403 USD
Retailer 10$2,602 USD
Retailer 6$3,051 USD
Retailer 13$3,078 USD
Retailer 9$3,454 USD
Retailer 12$3,457 USD
Taylor and Hart$3,882 USD
Retailer 2$4,036 USD
Retailer 5$5,783 USD
Retailer 4$13,700 USD

10 data points across 15 retailers

10 retailers$1,290 USD to $3,882 USD

Retailer 1
-
$961 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$1,290 USD
View
A
Retailer 3
-
$1,732 USD
£1,364 GBP
View
Retailer 4
-
$1,922 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$2,403 USD
View
B+
Retailer 6
-
$2,602 USD
View
B+
Retailer 7
-
$3,078 USD
£2,424 GBP
View
B
Retailer 8
-
$3,454 USD
View
B
Retailer 9
-
$3,457 USD
View
Most Expensive
B
Taylor and Hart
PY9NVQC · Oct 26
$3,882 USD
View
9 more retailers have this diamond
Prices start from $1,290 USDSave up to $2,592 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
5.51ct Marquise
$1,290 USD