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Marquise|Lab Grown|IGI

1.55ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG792643914

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG792643914

Diamond specifications and retailer prices

From $337 USD
As of October 30, 2026
Save $1,847 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,184 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG792643914 or 792643914. Listed at 18 retailers as of October 27, 2026, with prices from $337 to $2,184, a $1,847 spread on the same certified stone. Queensmith lists it at $2,184. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792643914
Dimensions11.94 × 6.12 × 3.78 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.94 mm6.12 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792643914
Side View
Table 60.0%Crown 33.4°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 61.8%

Caratlytics Score

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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: $664 USD|Low: $240 USD|High: $2,210 USD|Avg: $786 USD|+3.2%
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
October 31, 2026
Retailer 17$290 USD
Retailer 7$337 USD
Retailer 4$350 USD
Retailer 5$374 USD
Retailer 16$374 USD
Retailer 15$565 USD
Retailer 8$570 USD
Retailer 3$611 USD
Retailer 11$643 USD
Retailer 1$664 USD
Retailer 6$710 USD
Retailer 10$872 USD
Retailer 14$1,150 USD
Retailer 9$1,250 USD
Retailer 2$1,439 USD
Retailer 12$1,507 USD
Retailer 13$2,100 USD

43 data points across 17 retailers

18 retailers$337 USD to $2,184 USD

Retailer 1
-
$290 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$337 USD
View
Final sale: no returns
Retailer 3
-
$350 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$374 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$565 USD
View
A
Retailer 6
-
$570 USD
View
A
Retailer 7
-
$611 USD
View
A
Retailer 8
-
$643 USD
ZAR 10,387 ZAR
View
A
Retailer 9
-
$664 USD
£523 GBP
View
B+
Retailer 10
-
$710 USD
View
B+
Retailer 11
-
$872 USD
A$1,342 AUD
View
B
Retailer 12
-
$1,150 USD
View
Retailer 13
-
$1,203 USD
View
Price last confirmed 31 days ago
B
Retailer 14
-
$1,250 USD
View
B
Retailer 15
-
$1,439 USD
View
B
Retailer 16
-
$1,507 USD
£1,187 GBP
View
Retailer 17
-
$2,100 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Queensmith
LG792643914 · Oct 27
$2,184 USD
£1,720 GBP
View
17 more retailers have this diamond
Prices start from $337 USDSave up to $1,847 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
$337 USD