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Radiant|Lab Grown|IGI

3.89ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG709534991

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

Certificate IGI LG709534991

Diamond specifications and retailer prices

From $1,978 CAD
$1,413 USD
As of October 29, 2026
Save $3,599 CAD (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,577 CAD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 3.89ct lab-grown radiant diamond

This 3.89ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG709534991 or 709534991. Listed at 7 retailers as of October 27, 2026, with prices from $1,978 to $5,577, a $3,599 spread on the same certified stone. Taylor and Hart lists it at $5,577. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.89
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG709534991
Dimensions11.39 × 7.87 × 5.08 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.39 mm7.87 mm3.89 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG709534991
Side View
Table 65.0%Crown 44.8°Girdle: MediumPavilion 33.5°Culet: NoneDepth 64.5%

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 29
Current: $2,400 CAD|Low: $1,789 CAD|High: $6,129 CAD|Avg: $3,649 CAD|+9.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 28, 2026
Retailer 5$1,978 CAD
Retailer 4$2,279 CAD
Retailer 6$2,314 CAD
Retailer 1$2,400 CAD
Retailer 2$5,340 CAD
Retailer 3$5,402 CAD
Taylor and Hart$5,577 CAD

28 data points across 7 retailers

7 retailers$1,978 CAD to $5,577 CAD

A
Cheapest Retailer
-
$1,978 CAD
$1,413 USD
A
Retailer 2
-
$2,279 CAD
$1,628 USD
View
A
Retailer 3
-
$2,314 CAD
$1,653 USD
View
A
Retailer 4
-
$2,400 CAD
£1,350 GBP
View
B
Retailer 5
-
$5,340 CAD
£3,004 GBP
View
Price last confirmed 8 days ago
B
Retailer 6
-
$5,402 CAD
$3,860 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Taylor and Hart
T6719PX · Oct 27
$5,577 CAD
$3,985 USD
View
6 more retailers have this diamond
Prices start from $1,978 CADSave up to $3,599 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
3.89ct Radiant
$1,978 CAD