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Round|Lab Grown|IGI

1.55ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG555273822

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273822

Diamond specifications and retailer prices

From $367 USD
As of November 5, 2026
Save $1,407 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,774 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555273822 or 555273822. Listed at 16 retailers as of November 5, 2026, with prices from $367 to $1,774, a $1,407 spread on the same certified stone. MOH London lists it at $1,774. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273822
Dimensions7.37 × 7.34 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.37 mm7.34 mm1.55 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273822
Side View
Table 56.5%Crown 35.9°Girdle: MediumPavilion 40.5°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: Nov 5
Current: $1,774 USD|Low: $367 USD|High: $1,801 USD|Avg: $875 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 10$367 USD
Retailer 13$410 USD
Retailer 11$455 USD
Retailer 4$499 USD
Retailer 7$605 USD
Retailer 3$694 USD
Retailer 12$710 USD
Retailer 9$728 USD
Retailer 2$785 USD
Retailer 6$800 USD
Retailer 8$1,336 USD
Retailer 5$1,503 USD
MOH London$1,774 USD

28 data points across 13 retailers

16 retailers$367 USD to $1,774 USD

A
Cheapest Retailer
-
$367 USD
A
Retailer 2
-
$410 USD
View
Final sale: no returns
A
Retailer 3
-
$426 USD
View
Retailer 4
-
$455 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$455 USD
View
A
Retailer 6
-
$499 USD
View
A
Retailer 7
-
$605 USD
View
A
Retailer 8
-
$694 USD
View
A
Retailer 9
-
$710 USD
View
A
Retailer 10
-
$728 USD
View
A
Retailer 11
-
$785 USD
View
A
Retailer 12
-
$800 USD
View
A
Retailer 13
-
$1,336 USD
View
B+
Retailer 14
-
$1,464 USD
View
B+
Retailer 15
-
$1,503 USD
View
Most Expensive
B+
MOH London
LG555273822 · Nov 5
$1,774 USD
£1,397 GBP
View
15 more retailers have this diamond
Prices start from $367 USDSave up to $1,407 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 Round
$367 USD