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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 $2,012 AUD
$1,413 USD
As of October 30, 2026
Save $3,661 AUD (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,673 AUD at Taylor and Hart · As of October 30, 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 30, 2026, with prices from $2,012 to $5,673, a $3,661 spread on the same certified stone. Taylor and Hart lists it at $5,673. 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
Colour
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

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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 30
Current: $2,441 AUD|Low: $1,819 AUD|High: $6,234 AUD|Avg: $3,711 AUD|+9.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 28, 2026
Retailer 5$2,012 AUD
Retailer 4$2,318 AUD
Retailer 6$2,353 AUD
Retailer 1$2,441 AUD
Retailer 2$5,431 AUD
Retailer 3$5,495 AUD
Taylor and Hart$5,673 AUD

28 data points across 7 retailers

7 retailers$2,012 AUD to $5,673 AUD

A
Cheapest Retailer
-
$2,012 AUD
$1,413 USD
A
Retailer 2
-
$2,318 AUD
$1,628 USD
View
A
Retailer 3
-
$2,353 AUD
$1,653 USD
View
A
Retailer 4
-
$2,441 AUD
£1,350 GBP
View
Retailer 5
-
$5,431 AUD
£3,004 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
$5,495 AUD
$3,860 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Taylor and Hart
T6719PX · Oct 30
$5,673 AUD
$3,985 USD
View
6 more retailers have this diamond
Prices start from $2,012 AUDSave up to $3,661 AUD

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
$2,012 AUD