Round|Lab Grown|IGI

1.55ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG811646502

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811646502

Diamond specifications and retailer prices

From $496 USD
As of October 29, 2026
Save $2,074 USD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,570 USD at MOH London · As of October 26, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811646502 or 811646502. Listed at 19 retailers as of October 26, 2026, with prices from $496 to $2,570, a $2,074 spread on the same certified stone. MOH London lists it at $2,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811646502
Dimensions7.47 × 7.42 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.47 mm7.42 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811646502
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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 29
Current: $2,570 USD|Low: $476 USD|High: $2,598 USD|Avg: $1,173 USD|-0.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 16$496 USD
Retailer 7$554 USD
Retailer 3$555 USD
Retailer 6$615 USD
Retailer 17$615 USD
Retailer 9$924 USD
Retailer 10$929 USD
Retailer 5$957 USD
Retailer 12$960 USD
Retailer 2$1,017 USD
Retailer 11$1,057 USD
Retailer 13$1,443 USD
Retailer 8$1,617 USD
Retailer 15$1,653 USD
Retailer 14$2,135 USD
Retailer 4$2,300 USD
MOH London$2,570 USD

37 data points across 17 retailers

19 retailers$496 USD to $2,570 USD

A
Cheapest Retailer
-
$496 USD
A
Retailer 2
-
$554 USD
View
Final sale: no returns
A
Retailer 3
-
$555 USD
View
A
Retailer 4
-
$615 USD
View
Retailer 5
-
$615 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$924 USD
View
A
Retailer 7
-
$929 USD
£732 GBP
View
A
Retailer 8
-
$957 USD
View
A
Retailer 9
-
$960 USD
View
A
Retailer 10
-
$980 USD
View
A
Retailer 11
-
$1,017 USD
£801 GBP
View
A
Retailer 12
-
$1,057 USD
ZAR 17,074 ZAR
View
Retailer 13
-
$1,443 USD
A$2,220 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$1,617 USD
View
B+
Retailer 15
-
$1,653 USD
View
B
Retailer 16
-
$2,004 USD
View
Retailer 17
-
$2,135 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
$2,300 USD
View
Most Expensive
B
MOH London
LG811646502 · Oct 26
$2,570 USD
£2,024 GBP
View
18 more retailers have this diamond
Prices start from $496 USDSave up to $2,074 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
$496 USD