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Round|Lab Grown|IGI

1.20ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG759507239

Shape and cutting style on the report: Round brilliant

Certificate IGI LG759507239

Diamond specifications and retailer prices

From $270 CAD
$193 USD
As of October 29, 2026
Save $1,368 CAD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,638 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG759507239 or 759507239. Listed at 19 retailers as of October 29, 2026, with prices from $270 to $1,638, a $1,368 spread on the same certified stone. Reve Diamonds lists it at $1,638. 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

1.20
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759507239
Dimensions6.82 × 6.76 × 4.23 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
Top View
6.82 mm6.76 mm1.20 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759507239
Side View
Table 59.0%Crown 34.5°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.3%

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: Oct 29
Current: $663 CAD|Low: $256 CAD|High: $1,638 CAD|Avg: $703 CAD|-0.0%
Retailer 1
Retailer 2
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Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
October 30, 2026
Retailer 8$270 CAD
Retailer 2$302 CAD
Retailer 14$314 CAD
Retailer 3$335 CAD
Retailer 4$335 CAD
Retailer 16$535 CAD
Retailer 5$584 CAD
Retailer 11$607 CAD
Retailer 13$641 CAD
Retailer 1$663 CAD
Retailer 18$677 CAD
Retailer 17$679 CAD
Retailer 15$726 CAD
Retailer 10$882 CAD
Retailer 6$893 CAD
Retailer 9$1,075 CAD
Retailer 7$1,150 CAD
Retailer 12$1,571 CAD
Reve Diamonds$1,638 CAD

35 data points across 19 retailers

19 retailers$270 CAD to $1,638 CAD

A
Cheapest Retailer
-
$270 CAD
$193 USD
A
Retailer 2
-
$302 CAD
$216 USD
View
Final sale: no returns
A
Retailer 3
-
$314 CAD
$224 USD
View
A
Retailer 4
-
$335 CAD
$239 USD
View
A
Retailer 5
-
$335 CAD
$239 USD
View
B+
Retailer 6
-
$535 CAD
$382 USD
View
B+
Retailer 7
-
$584 CAD
$417 USD
View
B+
Retailer 8
-
$607 CAD
£341 GBP
View
B+
Retailer 9
-
$641 CAD
€436 EUR
View
B+
Retailer 10
-
$663 CAD
£373 GBP
View
B+
Retailer 11
-
$677 CAD
$484 USD
View
Retailer 12
-
$679 CAD
$485 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$726 CAD
A$798 AUD
View
B+
Retailer 14
-
$882 CAD
$630 USD
View
B
Retailer 15
-
$893 CAD
$638 USD
View
B
Retailer 16
-
$1,075 CAD
$768 USD
View
B
Retailer 17
-
$1,150 CAD
$822 USD
View
B
Retailer 18
-
$1,571 CAD
£884 GBP
View
Most Expensive
B
Reve Diamonds
368F2709A · Oct 30
$1,638 CAD
$1,170 USD
View
18 more retailers have this diamond
Prices start from $270 CADSave up to $1,368 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
$270 CAD