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Round|Lab Grown|IGI

1.55ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG490191986

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490191986

Diamond specifications and retailer prices

From $890 USD
As of November 5, 2026
Save $4,172 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,062 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 LG490191986 or 490191986. Listed at 13 retailers as of November 5, 2026, with prices from $890 to $5,062, a $4,172 spread on the same certified stone. MOH London lists it at $5,062. 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 angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490191986
Dimensions7.38 × 7.40 × 4.58 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
7.38 mm7.40 mm1.55 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490191986
Side View
Table 59.5%Crown 35.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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: $5,062 USD|Low: $890 USD|High: $5,145 USD|Avg: $2,246 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 7$890 USD
Retailer 8$1,362 USD
Retailer 11$1,482 USD
Retailer 13$1,525 USD
Retailer 3$1,580 USD
Retailer 9$1,580 USD
Retailer 4$1,750 USD
Retailer 2$2,335 USD
Retailer 10$2,497 USD
Retailer 6$2,907 USD
Retailer 5$2,945 USD
Retailer 12$2,961 USD
MOH London$5,062 USD

41 data points across 13 retailers

13 retailers$890 USD to $5,062 USD

A
Cheapest Retailer
-
$890 USD
A
Retailer 2
-
$1,362 USD
View
B+
Retailer 3
-
$1,482 USD
View
B+
Retailer 4
-
$1,525 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,580 USD
View
Retailer 6
-
$1,580 USD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$1,750 USD
View
B+
Retailer 8
-
$2,335 USD
View
B
Retailer 9
-
$2,497 USD
View
B
Retailer 10
-
$2,907 USD
View
B
Retailer 11
-
$2,945 USD
View
B
Retailer 12
-
$2,961 USD
View
Most Expensive
B
MOH London
LG490191986 · Nov 5
$5,062 USD
£3,986 GBP
View
12 more retailers have this diamond
Prices start from $890 USDSave up to $4,172 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
$890 USD