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Round|Lab Grown|IGI

1.55ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG770649074

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770649074

Diamond specifications and retailer prices

From $331 CAD
$237 USD
As of October 29, 2026
Save $1,501 CAD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,431 CAD at Brilliant Earth · As of October 16, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770649074 or 770649074. Listed at 24 retailers as of October 29, 2026, with a 453% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770649074
Dimensions7.47 × 7.50 × 4.52 mm
L/W Ratio1.00
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
Top View
7.47 mm7.50 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770649074
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.4%

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: Oct 29
Current: $2,431 CAD|Low: $317 CAD|High: $2,431 CAD|Avg: $890 CAD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 3$331 CAD
Retailer 4$384 CAD
Retailer 6$411 CAD
Retailer 17$411 CAD
Retailer 8$552 CAD
Retailer 2$618 CAD
Retailer 14$705 CAD
Retailer 13$751 CAD
Retailer 10$774 CAD
Retailer 5$815 CAD
Retailer 16$956 CAD
Retailer 7$1,083 CAD
Retailer 15$1,319 CAD
Retailer 9$1,482 CAD
Retailer 11$1,598 CAD
Retailer 12$1,653 CAD
Brilliant Earth$2,431 CAD

30 data points across 17 retailers

24 retailers$331 CAD to $1,832 CAD

A
Cheapest Retailer
-
$331 CAD
$237 USD
A
Retailer 2
-
$370 CAD
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$384 CAD
$275 USD
View
A
Retailer 4
-
$411 CAD
$294 USD
View
A
Retailer 5
-
$411 CAD
$294 USD
View
B+
Retailer 6
-
$552 CAD
$395 USD
View
A
Retailer 7
-
$618 CAD
£349 GBP
View
A
Retailer 8
-
$690 CAD
$494 USD
View
A
Retailer 9
-
$705 CAD
ZAR 8,152 ZAR
View
A
Retailer 10
-
$751 CAD
€512 EUR
View
A
Retailer 11
-
$764 CAD
$547 USD
View
B+
Retailer 12
-
$774 CAD
£436 GBP
View
B+
Retailer 13
-
$815 CAD
A$898 AUD
View
B+
Retailer 14
-
$956 CAD
A$1,053 AUD
View
B+
Retailer 15
-
$1,083 CAD
$775 USD
View
B
Retailer 16
-
$1,319 CAD
$944 USD
View
B
Retailer 17
-
$1,324 CAD
SGD 1,281 SGD
View
B
Retailer 18
-
$1,392 CAD
$996 USD
View
B
Retailer 19
-
$1,482 CAD
$1,061 USD
View
B
Retailer 20
-
$1,598 CAD
A$1,760 AUD
View
B
Retailer 21
-
$1,653 CAD
£932 GBP
View
B
Retailer 22
-
$1,671 CAD
$1,196 USD
View
B
Retailer 23
-
$1,832 CAD
$1,311 USD
View
Most Expensive
Brilliant Earth
18212623A · Oct 16
$2,431 CAD
$1,740 USD
View
Price last confirmed 14 days ago
23 more retailers have this diamond
Prices start from $331 CADSave up to $1,501 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
$331 CAD