Radiant|Lab Grown|IGI

3.91ct D VS1 Radiant Lab Grown Diamond

GD • D/VS1 • IGI LG708563402

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

Certificate IGI LG708563402

Diamond specifications and retailer prices

From $1,129 CAD
$807 USD
As of October 29, 2026
Save $10,837 CAD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,967 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.91ct lab-grown radiant diamond

This 3.91ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG708563402 or 708563402. Listed at 17 retailers as of October 29, 2026, with prices from $1,129 to $11,967, a $10,837 spread on the same certified stone. Brilliant Earth lists it at $11,967. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.91
Carat
D
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG708563402
Dimensions11.00 × 7.89 × 5.26 mm
L/W Ratio1.39
Culet sizePointed
Top View
11.00 mm7.89 mm3.91 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG708563402
Side View
Table 68.0%Crown 39.3°Girdle: MediumPavilion 35.2°Culet: NoneDepth 66.7%

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: $11,967 CAD|Low: $1,129 CAD|High: $11,967 CAD|Avg: $3,647 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
October 28, 2026
Retailer 6$1,129 CAD
Retailer 3$1,456 CAD
Retailer 2$1,638 CAD
Retailer 7$1,642 CAD
Retailer 14$1,953 CAD
Retailer 5$2,312 CAD
Retailer 15$2,880 CAD
Retailer 12$2,913 CAD
Retailer 9$3,106 CAD
Retailer 4$4,283 CAD
Retailer 11$4,845 CAD
Retailer 13$5,318 CAD
Retailer 10$7,553 CAD
Retailer 8$8,887 CAD
Brilliant Earth$11,967 CAD

24 data points across 15 retailers

17 retailers$1,129 CAD to $11,967 CAD

A
Cheapest Retailer
-
$1,129 CAD
$807 USD
Final sale: no returns
Retailer 2
-
$1,178 CAD
$842 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
$1,456 CAD
$1,040 USD
View
B+
Retailer 4
-
$1,638 CAD
$1,170 USD
View
A
Retailer 5
-
$1,642 CAD
$1,173 USD
View
A
Retailer 6
-
$1,953 CAD
€1,329 EUR
View
B+
Retailer 7
-
$2,312 CAD
$1,652 USD
View
B+
Retailer 8
-
$2,880 CAD
$2,058 USD
View
Retailer 9
-
$2,913 CAD
A$3,202 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,106 CAD
$2,219 USD
View
Retailer 11
-
$4,283 CAD
A$4,708 AUD
View
Price last confirmed 21 days ago
B
Retailer 12
-
$4,845 CAD
£2,726 GBP
View
Retailer 13
-
$5,318 CAD
$3,800 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$7,550 CAD
$5,395 USD
View
B
Retailer 15
-
$7,553 CAD
$5,397 USD
View
B
Retailer 16
-
$8,887 CAD
$6,350 USD
View
Most Expensive
B
Brilliant Earth
16281928A · Oct 29
$11,967 CAD
$8,550 USD
View
16 more retailers have this diamond
Prices start from $1,129 CADSave up to $10,837 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
3.91ct Radiant
$1,129 CAD