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Radiant|Lab Grown|IGI

3.09ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG665421661

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

Certificate IGI LG665421661

Diamond specifications and retailer prices

From $1,043 NZD
As of November 4, 2026
Save $10,523 NZD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $11,566 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.09ct lab-grown radiant diamond

This 3.09ct 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 LG665421661 or 665421661. Listed at 25 retailers as of November 4, 2026, with prices from $1,043 to $11,566, a $10,523 spread on the same certified stone. Brilliant Earth lists it at $11,566. 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

3.09
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665421661
Dimensions10.30 × 7.14 × 4.85 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.30 mm7.14 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665421661
Side View
Table 66.0%Crown 42.9°Girdle: MED-STKPavilion 35°Culet: NoneDepth 67.9%

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: Nov 4
Current: $11,566 NZD|Low: $1,043 NZD|High: $11,921 NZD|Avg: $3,564 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 17
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Retailer 22
November 5, 2026
Retailer 11$1,043 NZD
Retailer 7$1,167 NZD
Retailer 20$1,169 NZD
Retailer 10$1,293 NZD
Retailer 19$1,526 NZD
Retailer 21$1,914 NZD
Retailer 22$1,985 NZD
Retailer 2$2,003 NZD
Retailer 13$2,194 NZD
Retailer 5$2,627 NZD
Retailer 18$2,730 NZD
Retailer 17$2,808 NZD
Retailer 4$3,209 NZD
Retailer 9$3,403 NZD
Retailer 6$3,757 NZD
Retailer 8$4,130 NZD
Retailer 12$4,185 NZD
Retailer 3$4,313 NZD
Retailer 15$4,559 NZD
Retailer 14$4,994 NZD
Retailer 16$5,616 NZD
Brilliant Earth$11,566 NZD

46 data points across 22 retailers

25 retailers$1,043 NZD to $11,566 NZD

A
Cheapest Retailer
-
$1,043 NZD
A
Retailer 2
-
$1,167 NZD
View
Final sale: no returns
A
Retailer 3
-
$1,169 NZD
View
A
Retailer 4
-
$1,293 NZD
View
Retailer 5
-
$1,354 NZD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$1,526 NZD
View
A
Retailer 7
-
$1,914 NZD
View
A
Retailer 8
-
$1,985 NZD
View
A
Retailer 9
-
$2,003 NZD
View
A
Retailer 10
-
$2,194 NZD
View
B+
Retailer 11
-
$2,627 NZD
View
A
Retailer 12
-
$2,730 NZD
View
B+
Retailer 13
-
$2,808 NZD
View
B+
Retailer 14
-
$3,209 NZD
View
B+
Retailer 15
-
$3,403 NZD
View
B+
Retailer 16
-
$3,708 NZD
View
B+
Retailer 17
-
$3,757 NZD
View
B+
Retailer 18
-
$4,130 NZD
View
B+
Retailer 19
-
$4,185 NZD
View
B
Retailer 20
-
$4,313 NZD
View
B
Retailer 21
-
$4,369 NZD
View
B
Retailer 22
-
$4,559 NZD
View
Retailer 23
-
$4,994 NZD
View
Price last confirmed 15 days ago
B
Retailer 24
-
$5,616 NZD
View
Most Expensive
B
Brilliant Earth
14713042A · Nov 4
$11,566 NZD
$6,520 USD
View
24 more retailers have this diamond
Prices start from $1,043 NZDSave up to $10,523 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
3.09ct Radiant
$1,043 NZD