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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 $2,507 NZD
$1,413 USD
As of October 30, 2026
Save $4,563 NZD (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,070 NZD 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 $2,507 to $7,070, a $4,563 spread on the same certified stone. Taylor and Hart lists it at $7,070. 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: $3,036 NZD|Low: $2,268 NZD|High: $7,770 NZD|Avg: $4,624 NZD|+9.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 31, 2026
Retailer 5$2,507 NZD
Retailer 4$2,889 NZD
Retailer 6$2,933 NZD
Retailer 1$3,036 NZD
Retailer 2$6,769 NZD
Retailer 3$6,849 NZD
Taylor and Hart$7,070 NZD

29 data points across 7 retailers

7 retailers$2,507 NZD to $7,070 NZD

A
Cheapest Retailer
-
$2,507 NZD
$1,413 USD
A
Retailer 2
-
$2,889 NZD
$1,628 USD
View
A
Retailer 3
-
$2,933 NZD
$1,653 USD
View
A
Retailer 4
-
$3,036 NZD
£1,347 GBP
View
Retailer 5
-
$6,769 NZD
£3,004 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
$6,849 NZD
$3,860 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Taylor and Hart
T6719PX · Oct 30
$7,070 NZD
$3,985 USD
View
6 more retailers have this diamond
Prices start from $2,507 NZDSave up to $4,563 NZD

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
$2,507 NZD