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Round|Lab Grown|IGI

1.55ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG801637658

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801637658

Diamond specifications and retailer prices

From $792 CAD
€540 EUR
As of November 2, 2026
Save $2,100 CAD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,893 CAD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801637658 or 801637658. Listed at 15 retailers as of November 2, 2026, with prices from $792 to $2,893, a $2,100 spread on the same certified stone. Brilliant Earth lists it at $2,893. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801637658
Dimensions7.42 × 7.38 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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 Faint Blue
Top View
7.42 mm7.38 mm1.55 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801637658
Side View
Table 56.0%Crown 34.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

Caratlytics Score

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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 2
Current: $2,893 CAD|Low: $475 CAD|High: $3,298 CAD|Avg: $1,363 CAD|-12.3%
Brilliant Earth
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 3, 2026
Retailer 5$475 CAD
Retailer 11$792 CAD
Retailer 12$798 CAD
Retailer 10$834 CAD
Retailer 7$850 CAD
Retailer 13$851 CAD
Retailer 9$1,177 CAD
Retailer 2$1,245 CAD
Retailer 6$1,632 CAD
Retailer 4$1,859 CAD
Retailer 8$1,938 CAD
Retailer 3$2,620 CAD
Brilliant Earth$2,893 CAD

41 data points across 13 retailers

15 retailers$792 CAD to $2,893 CAD

Retailer 1
-
$475 CAD
$340 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$792 CAD
€540 EUR
View
A
Retailer 3
-
$798 CAD
$571 USD
View
A
Retailer 4
-
$834 CAD
ZAR 9,639 ZAR
View
A
Retailer 5
-
$850 CAD
£479 GBP
View
A
Retailer 6
-
$851 CAD
$609 USD
View
A
Retailer 7
-
$1,177 CAD
$842 USD
View
B+
Retailer 8
-
$1,245 CAD
$891 USD
View
B+
Retailer 9
-
$1,632 CAD
$1,168 USD
View
B+
Retailer 10
-
$1,751 CAD
$1,253 USD
View
B
Retailer 11
-
$1,859 CAD
$1,330 USD
View
B+
Retailer 12
-
$1,938 CAD
£1,092 GBP
View
Retailer 13
-
$2,620 CAD
$1,875 USD
View
Price last confirmed 13 days ago
Retailer 14
-
$2,627 CAD
$1,880 USD
View
Price last confirmed 27 days ago
Most Expensive
B
Brilliant Earth
19934393A · Nov 3
$2,893 CAD
$2,070 USD
View
14 more retailers have this diamond
Prices start from $792 CADSave up to $2,100 CAD

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
$792 CAD