Round|Lab Grown|IGI

1.55ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG647435519

Shape and cutting style on the report: Round brilliant

Certificate IGI LG647435519

Diamond specifications and retailer prices

From $453 USD
As of November 1, 2026
Save $605 USD (57%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,058 USD at MOH London · As of November 1, 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 H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG647435519 or 647435519. Listed at 3 retailers as of November 1, 2026, with prices from $453 to $1,058, a $605 spread on the same certified stone. MOH London lists it at $1,058. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
H
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647435519
Dimensions7.43 × 7.40 × 4.61 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm7.40 mm1.55 ctH / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647435519
Side View
Table 55.0%Crown 34.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,058 USD|Low: $428 USD|High: $1,071 USD|Avg: $643 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2$453 USD
Retailer 4$485 USD
Retailer 3$580 USD
MOH London$1,058 USD

11 data points across 4 retailers

3 retailers$453 USD to $1,058 USD

B+
Cheapest Retailer
-
$453 USD
B+
Retailer 2
-
$580 USD
View
Most Expensive
B
MOH London
LG647435519 · Nov 1
$1,058 USD
£833 GBP
View
2 more retailers have this diamond
Prices start from $453 USDSave up to $605 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.

B+
1.55ct Round
$453 USD