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Radiant|Lab Grown|IGI

0.77ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG733508718

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG733508718

Diamond specifications and retailer prices

From $202 CAD
$144 USD
As of October 27, 2026
Save $1,220 CAD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,422 CAD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 0.77ct lab-grown radiant diamond

This 0.77ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733508718 or 733508718. Listed at 19 retailers as of October 27, 2026, with prices from $202 to $1,422, a $1,220 spread on the same certified stone. Reve Diamonds lists it at $1,422. 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

0.77
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733508718
Dimensions6.49 × 4.49 × 3.03 mm
L/W Ratio1.45
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
6.49 mm4.49 mm0.77 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733508718
Side View
Table 68.0%Crown 43.8°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 67.5%

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 27
Current: $430 CAD|Low: $195 CAD|High: $1,186 CAD|Avg: $481 CAD|+4.0%
Retailer 1
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
October 29, 2026
Retailer 12$202 CAD
Retailer 9$225 CAD
Retailer 4$234 CAD
Retailer 2$251 CAD
Retailer 5$251 CAD
Retailer 13$339 CAD
Retailer 10$357 CAD
Retailer 1$430 CAD
Retailer 8$473 CAD
Retailer 6$579 CAD
Retailer 11$634 CAD
Retailer 3$805 CAD
Retailer 14$896 CAD
Retailer 7$1,177 CAD

43 data points across 14 retailers

19 retailers$202 CAD to $1,422 CAD

A
Cheapest Retailer
-
$202 CAD
$144 USD
A
Retailer 2
-
$225 CAD
$161 USD
View
Final sale: no returns
A
Retailer 3
-
$234 CAD
$167 USD
View
A
Retailer 4
-
$251 CAD
$179 USD
View
A
Retailer 5
-
$251 CAD
$179 USD
View
A
Retailer 6
-
$287 CAD
HK$1,600 HKD
View
A
Retailer 7
-
$329 CAD
$235 USD
View
A
Retailer 8
-
$339 CAD
$242 USD
View
A
Retailer 9
-
$357 CAD
$255 USD
View
B+
Retailer 10
-
$430 CAD
£242 GBP
View
B+
Retailer 11
-
$473 CAD
€322 EUR
View
B+
Retailer 12
-
$579 CAD
$414 USD
View
B
Retailer 13
-
$634 CAD
$453 USD
View
B
Retailer 14
-
$692 CAD
SGD 668 SGD
View
B
Retailer 15
-
$805 CAD
$575 USD
View
B
Retailer 16
-
$883 CAD
$631 USD
View
B
Retailer 17
-
$896 CAD
$640 USD
View
B
Retailer 18
-
$1,177 CAD
£662 GBP
View
Most Expensive
B
Reve Diamonds
CBC7C88FF · Oct 28
$1,422 CAD
$1,016 USD
View
18 more retailers have this diamond
Prices start from $202 CADSave up to $1,220 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
0.77ct Radiant
$202 CAD