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Round|Lab Grown|IGI

1.09ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG775620770

Shape and cutting style on the report: Round brilliant

Certificate IGI LG775620770

Diamond specifications and retailer prices

From $200 CAD
$143 USD
As of October 26, 2026
Save $964 CAD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,164 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG775620770 or 775620770. Listed at 18 retailers as of October 26, 2026, with prices from $200 to $1,164, a $964 spread on the same certified stone. MOH London lists it at $1,164. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.09
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775620770
Dimensions6.59 × 6.64 × 4.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.59 mm6.64 mm1.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775620770
Side View
Table 57.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

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 26
Current: $1,164 CAD|Low: $224 CAD|High: $1,244 CAD|Avg: $589 CAD|-5.3%
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
October 28, 2026
Retailer 14$224 CAD
Retailer 13$232 CAD
Retailer 11$287 CAD
Retailer 10$424 CAD
Retailer 9$425 CAD
Retailer 12$449 CAD
Retailer 3$463 CAD
Retailer 5$519 CAD
Retailer 4$596 CAD
Retailer 6$602 CAD
Retailer 15$627 CAD
Retailer 7$653 CAD
Retailer 8$678 CAD
Retailer 2$868 CAD
MOH London$1,164 CAD

43 data points across 15 retailers

18 retailers$200 CAD to $1,164 CAD

A
Cheapest Retailer
-
$200 CAD
$143 USD
A
Retailer 2
-
$224 CAD
$160 USD
View
Final sale: no returns
A
Retailer 3
-
$232 CAD
$166 USD
View
Retailer 4
-
$249 CAD
$178 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$287 CAD
HK$1,600 HKD
View
A
Retailer 6
-
$424 CAD
£238 GBP
View
A
Retailer 7
-
$425 CAD
€289 EUR
View
A
Retailer 8
-
$449 CAD
$321 USD
View
B+
Retailer 9
-
$463 CAD
$331 USD
View
Retailer 10
-
$519 CAD
£292 GBP
View
Price last confirmed 14 days ago
B+
Retailer 11
-
$596 CAD
$426 USD
View
Retailer 12
-
$602 CAD
$430 USD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
$627 CAD
$448 USD
View
B+
Retailer 14
-
$653 CAD
A$718 AUD
View
B+
Retailer 15
-
$678 CAD
SGD 655 SGD
View
B+
Retailer 16
-
$799 CAD
$571 USD
View
B
Retailer 17
-
$868 CAD
$620 USD
View
Most Expensive
B
MOH London
LG775620770 · Oct 26
$1,164 CAD
£655 GBP
View
17 more retailers have this diamond
Prices start from $200 CADSave up to $964 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
1.09ct Round
$200 CAD