Marquise|Lab Grown|IGI

1.55ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG837615721

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837615721

Diamond specifications and retailer prices

From $306 USD
As of October 30, 2026
Save $1,225 USD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,531 USD at Reve Diamonds · As of October 30, 2026
View at Reve 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 LG837615721 or 837615721. Listed at 20 retailers as of October 30, 2026, with prices from $306 to $1,531, a $1,225 spread on the same certified stone. Reve Diamonds lists it at $1,531. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837615721
Dimensions11.56 × 6.11 × 3.80 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.56 mm6.11 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837615721
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

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: $344 USD|Low: $306 USD|High: $1,583 USD|Avg: $775 USD
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
Retailer 18
Retailer 19
Reve Diamonds
October 31, 2026
Retailer 9$306 USD
Retailer 1$344 USD
Retailer 6$355 USD
Retailer 2$379 USD
Retailer 5$379 USD
Retailer 16$423 USD
Retailer 15$525 USD
Retailer 13$535 USD
Retailer 11$572 USD
Retailer 4$627 USD
Retailer 7$640 USD
Retailer 18$652 USD
Retailer 12$675 USD
Retailer 17$884 USD
Retailer 14$939 USD
Retailer 3$1,219 USD
Retailer 8$1,266 USD
Retailer 10$1,364 USD
Retailer 19$1,521 USD
Reve Diamonds$1,531 USD

23 data points across 20 retailers

20 retailers$306 USD to $1,531 USD

A
Cheapest Retailer
-
$306 USD
A
Retailer 2
-
$344 USD
View
Final sale: no returns
A
Retailer 3
-
$355 USD
View
A
Retailer 4
-
$379 USD
View
A
Retailer 5
-
$379 USD
View
A
Retailer 6
-
$423 USD
£333 GBP
View
A
Retailer 7
-
$525 USD
View
A
Retailer 8
-
$535 USD
View
A
Retailer 9
-
$572 USD
View
A
Retailer 10
-
$627 USD
€597 EUR
View
A
Retailer 11
-
$640 USD
View
A
Retailer 12
-
$652 USD
ZAR 10,529 ZAR
View
A
Retailer 13
-
$675 USD
£532 GBP
View
B+
Retailer 14
-
$884 USD
A$1,360 AUD
View
B+
Retailer 15
-
$939 USD
View
B
Retailer 16
-
$1,219 USD
View
B
Retailer 17
-
$1,266 USD
View
B
Retailer 18
-
$1,364 USD
View
B
Retailer 19
-
$1,521 USD
£1,198 GBP
View
Most Expensive
B
Reve Diamonds
FE37FCD76 · Oct 30
$1,531 USD
View
19 more retailers have this diamond
Prices start from $306 USDSave up to $1,225 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
$306 USD