Marquise|Lab Grown|IGI

1.55ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG760505150

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG760505150

Diamond specifications and retailer prices

From $360 USD
As of October 30, 2026
Save $1,567 USD (81%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,570 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG760505150 or 760505150. Listed at 27 retailers as of October 30, 2026, with a 435% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760505150
Dimensions11.86 × 6.04 × 3.77 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.86 mm6.04 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760505150
Side View
Table 59.0%Crown 34.8°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 62.4%

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: $3,200 USD|Low: $287 USD|High: $3,200 USD|Avg: $1,133 USD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 12
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Retailer 19
Retailer 20
November 1, 2026
Retailer 4$346 USD
Retailer 7$403 USD
Retailer 3$447 USD
Retailer 20$447 USD
Retailer 11$452 USD
Retailer 8$594 USD
Retailer 19$600 USD
Retailer 6$777 USD
Retailer 14$785 USD
Retailer 13$809 USD
Retailer 17$847 USD
Retailer 16$1,149 USD
Retailer 15$1,187 USD
Retailer 18$1,310 USD
Retailer 12$1,433 USD
Retailer 5$1,687 USD
Retailer 9$1,698 USD
Retailer 10$1,738 USD
Retailer 2$1,927 USD
Do Amore Diamonds$3,200 USD

43 data points across 20 retailers

27 retailers$360 USD to $1,927 USD

Retailer 1
-
$346 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$360 USD
View
A
Retailer 3
-
$403 USD
View
Final sale: no returns
Retailer 4
-
$418 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$447 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$447 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$447 USD
View
A
Retailer 8
-
$452 USD
View
A
Retailer 9
-
$594 USD
View
A
Retailer 10
-
$600 USD
View
B+
Retailer 11
-
$777 USD
View
B+
Retailer 12
-
$785 USD
A$1,208 AUD
View
B+
Retailer 13
-
$809 USD
£637 GBP
View
B+
Retailer 14
-
$847 USD
ZAR 13,689 ZAR
View
B+
Retailer 15
-
$1,149 USD
A$1,767 AUD
View
B+
Retailer 16
-
$1,187 USD
A$1,826 AUD
View
Retailer 17
-
$1,193 USD
View
Price last confirmed 76 days ago
B
Retailer 18
-
$1,310 USD
View
B
Retailer 19
-
$1,433 USD
£1,128 GBP
View
Retailer 20
-
$1,585 USD
View
Price last confirmed 32 days ago
B
Retailer 21
-
$1,585 USD
View
B
Retailer 22
-
$1,687 USD
View
B
Retailer 23
-
$1,698 USD
View
B
Retailer 24
-
$1,738 USD
View
B
Retailer 25
-
$1,927 USD
£1,517 GBP
View
Retailer 26
-
$3,200 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-760505150 · Nov 1
$3,570 USD
View
Price under review
26 more retailers have this diamond
Prices start from $360 USDSave up to $1,567 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
$360 USD