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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG794610100

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG794610100

Diamond specifications and retailer prices

From $251 USD
As of October 30, 2026
Save $1,019 USD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,270 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG794610100 or 794610100. Listed at 23 retailers as of October 30, 2026, with prices from $251 to $1,270, a $1,019 spread on the same certified stone. Brilliant Earth lists it at $1,270. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794610100
Dimensions12.19 × 5.90 × 3.71 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
12.19 mm5.90 mm1.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794610100
Side View
Table 58.0%Crown 34°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 62.9%

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 30
Current: $1,270 USD|Low: $251 USD|High: $2,080 USD|Avg: $712 USD|-38.9%
Brilliant Earth
Retailer 2
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Retailer 22
October 31, 2026
Retailer 21$251 USD
Retailer 20$281 USD
Retailer 14$293 USD
Retailer 7$312 USD
Retailer 12$313 USD
Retailer 22$366 USD
Retailer 2$470 USD
Retailer 19$522 USD
Retailer 9$538 USD
Retailer 17$543 USD
Retailer 3$594 USD
Retailer 16$610 USD
Retailer 18$652 USD
Retailer 10$730 USD
Retailer 13$798 USD
Retailer 5$971 USD
Retailer 4$1,006 USD
Retailer 11$1,007 USD
Retailer 6$1,054 USD
Retailer 15$1,233 USD
Retailer 8$1,262 USD
Brilliant Earth$1,270 USD

24 data points across 22 retailers

23 retailers$251 USD to $1,270 USD

A
Cheapest Retailer
-
$251 USD
A
Retailer 2
-
$281 USD
View
Final sale: no returns
A
Retailer 3
-
$293 USD
View
A
Retailer 4
-
$312 USD
View
A
Retailer 5
-
$313 USD
View
A
Retailer 6
-
$366 USD
£288 GBP
View
A
Retailer 7
-
$470 USD
View
A
Retailer 8
-
$522 USD
View
A
Retailer 9
-
$538 USD
ZAR 8,696 ZAR
View
A
Retailer 10
-
$543 USD
View
A
Retailer 11
-
$594 USD
£468 GBP
View
A
Retailer 12
-
$610 USD
A$938 AUD
View
A
Retailer 13
-
$652 USD
View
B+
Retailer 14
-
$730 USD
A$1,123 AUD
View
B+
Retailer 15
-
$798 USD
View
B+
Retailer 16
-
$971 USD
View
B+
Retailer 17
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$1,001 USD
A$1,540 AUD
View
B+
Retailer 18
-
$1,006 USD
SGD 1,359 SGD
View
B+
Retailer 19
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$1,007 USD
View
B+
Retailer 20
-
$1,054 USD
View
B
Retailer 21
-
$1,233 USD
View
B
Retailer 22
-
$1,262 USD
£994 GBP
View
Most Expensive
B
Brilliant Earth
21503467A · Oct 30
$1,270 USD
View
22 more retailers have this diamond
Prices start from $251 USDSave up to $1,019 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
1.55ct Marquise
$251 USD