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Radiant|Lab Grown|IGI

3.09ct F VVS1 Radiant Lab Grown Diamond

ID • F/VVS1 • IGI LG851681657

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

Certificate IGI LG851681657

Diamond specifications and retailer prices

From $1,027 NZD
$578 USD
As of November 2, 2026
Save $7,290 NZD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,318 NZD at Brilliant Earth · As of November 2, 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG851681657 or 851681657. Listed at 21 retailers as of November 2, 2026, with prices from $1,027 to $8,318, a $7,290 spread on the same certified stone. Brilliant Earth lists it at $8,318. 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
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851681657
Dimensions10.29 × 7.14 × 4.87 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.29 mm7.14 mm3.09 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851681657
Side View
Table 64.0%Crown 40.7°Girdle: Slightly ThickPavilion 35.2°Culet: NoneDepth 68.2%

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 2
Current: $8,318 NZD|Low: $1,027 NZD|High: $8,318 NZD|Avg: $3,106 NZD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 12$1,027 NZD
Retailer 7$1,150 NZD
Retailer 17$1,152 NZD
Retailer 20$1,274 NZD
Retailer 13$1,383 NZD
Retailer 21$1,511 NZD
Retailer 10$1,697 NZD
Retailer 6$1,896 NZD
Retailer 9$1,898 NZD
Retailer 15$1,991 NZD
Retailer 2$3,164 NZD
Retailer 4$3,192 NZD
Retailer 3$3,352 NZD
Retailer 5$4,106 NZD
Retailer 11$4,128 NZD
Retailer 14$4,175 NZD
Retailer 19$4,267 NZD
Retailer 8$4,765 NZD
Retailer 18$5,535 NZD
Retailer 16$6,034 NZD
Brilliant Earth$8,318 NZD

4 data points across 21 retailers

21 retailers$1,027 NZD to $8,318 NZD

A
Cheapest Retailer
-
$1,027 NZD
$578 USD
A
Retailer 2
-
$1,150 NZD
$647 USD
View
Final sale: no returns
A
Retailer 3
-
$1,152 NZD
$648 USD
View
A
Retailer 4
-
$1,274 NZD
$717 USD
View
A
Retailer 5
-
$1,383 NZD
£613 GBP
View
A
Retailer 6
-
$1,511 NZD
$850 USD
View
A
Retailer 7
-
$1,697 NZD
$955 USD
View
A
Retailer 8
-
$1,896 NZD
€1,016 EUR
View
A
Retailer 9
-
$1,898 NZD
$1,068 USD
View
A
Retailer 10
-
$1,991 NZD
£882 GBP
View
B+
Retailer 11
-
$3,164 NZD
$1,780 USD
View
B+
Retailer 12
-
$3,192 NZD
$1,796 USD
View
B+
Retailer 13
-
$3,352 NZD
$1,886 USD
View
B+
Retailer 14
-
$4,106 NZD
$2,310 USD
View
B+
Retailer 15
-
$4,128 NZD
$2,323 USD
View
B+
Retailer 16
-
$4,175 NZD
$2,349 USD
View
B
Retailer 17
-
$4,267 NZD
$2,401 USD
View
B
Retailer 18
-
$4,765 NZD
A$4,125 AUD
View
B
Retailer 19
-
$5,535 NZD
£2,452 GBP
View
B
Retailer 20
-
$6,034 NZD
$3,395 USD
View
Most Expensive
B
Brilliant Earth
22378146A · Nov 2
$8,318 NZD
$4,680 USD
View
20 more retailers have this diamond
Prices start from $1,027 NZDSave up to $7,290 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
$1,027 NZD