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Round|Lab Grown|IGI

1.20ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG818644850

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644850

Diamond specifications and retailer prices

From $292 CAD
$208 USD
As of October 28, 2026
Save $1,320 CAD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,997 CAD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644850 or 818644850. Listed at 23 retailers as of October 28, 2026, with a 452% 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

1.20
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644850
Dimensions6.79 × 6.82 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.79 mm6.82 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644850
Side View
Table 55.0%Crown 34.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.0%

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 28
Current: $552 CAD|Low: $250 CAD|High: $1,531 CAD|Avg: $668 CAD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11$261 CAD
Retailer 12$323 CAD
Retailer 3$360 CAD
Retailer 2$435 CAD
Retailer 5$547 CAD
Retailer 1$552 CAD
Retailer 7$555 CAD
Retailer 6$581 CAD
Retailer 8$789 CAD
Retailer 10$825 CAD
Retailer 4$1,039 CAD
Retailer 9$1,515 CAD

36 data points across 12 retailers

23 retailers$292 CAD to $1,612 CAD

A
Retailer 1
-
$261 CAD
$186 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$292 CAD
$208 USD
View
Final sale: no returns
A
Retailer 3
-
$302 CAD
$215 USD
View
A
Retailer 4
-
$323 CAD
$230 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$323 CAD
$230 USD
View
A
Retailer 6
-
$360 CAD
HK$2,000 HKD
View
B+
Retailer 7
-
$435 CAD
$310 USD
View
A
Retailer 8
-
$544 CAD
$387 USD
View
B+
Retailer 9
-
$547 CAD
€371 EUR
View
A
Retailer 10
-
$552 CAD
£309 GBP
View
A
Retailer 11
-
$555 CAD
ZAR 6,385 ZAR
View
B+
Retailer 12
-
$581 CAD
£325 GBP
View
B+
Retailer 13
-
$669 CAD
$476 USD
View
B+
Retailer 14
-
$789 CAD
A$864 AUD
View
B+
Retailer 15
-
$825 CAD
$587 USD
View
B
Retailer 16
-
$1,039 CAD
$740 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$1,053 CAD
SGD 1,013 SGD
View
B
Retailer 18
-
$1,082 CAD
$770 USD
View
B
Retailer 19
-
$1,115 CAD
$794 USD
View
B
Retailer 20
-
$1,222 CAD
$870 USD
View
Price last confirmed 38 days ago
B
Retailer 21
-
$1,515 CAD
£849 GBP
View
B
Retailer 22
-
$1,612 CAD
$1,148 USD
View
Most Expensive
B
Queensmith
LG818644850 · Oct 27
$2,997 CAD
£1,680 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $292 CADSave up to $1,320 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
1.20ct Round
$292 CAD