Radiant|Lab Grown|IGI

3.09ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG758501727

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

Certificate IGI LG758501727

Diamond specifications and retailer prices

From $402 USD
As of October 27, 2026
Save $3,827 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,229 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG758501727 or 758501727. Listed at 17 retailers as of October 27, 2026, with prices from $402 to $4,229, a $3,827 spread on the same certified stone. Queensmith lists it at $4,229. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758501727
Dimensions7.23 × 7.23 × 4.87 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.23 mm7.23 mm3.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758501727
Side View
Table 66.0%Crown 43.5°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $4,229 USD|Low: $510 USD|High: $4,229 USD|Avg: $1,726 USD
Queensmith
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
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Retailer 18
October 27, 2026
Retailer 5$510 USD
Retailer 13$520 USD
Retailer 15$668 USD
Retailer 6$782 USD
Retailer 2$913 USD
Retailer 14$948 USD
Retailer 7$1,142 USD
Retailer 11$1,162 USD
Retailer 8$1,262 USD
Retailer 17$1,883 USD
Retailer 18$1,934 USD
Retailer 10$1,973 USD
Retailer 12$2,024 USD
Retailer 9$2,274 USD
Retailer 4$2,445 USD
Retailer 3$3,065 USD
Retailer 16$3,570 USD
Queensmith$4,229 USD

20 data points across 18 retailers

17 retailers$402 USD to $4,229 USD

A
Cheapest Retailer
-
$402 USD
A
Retailer 2
-
$520 USD
View
Final sale: no returns
B+
Retailer 3
-
$668 USD
View
A
Retailer 4
-
$913 USD
£719 GBP
View
A
Retailer 5
-
$948 USD
View
A
Retailer 6
-
$1,162 USD
A$1,788 AUD
View
B+
Retailer 7
-
$1,577 USD
CA$2,190 CAD
View
Retailer 8
-
$1,769 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$1,850 USD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
$1,883 USD
View
B+
Retailer 11
-
$1,934 USD
View
Retailer 12
-
$1,973 USD
A$3,036 AUD
View
Price last confirmed 121 days ago
Retailer 13
-
$2,024 USD
£1,594 GBP
View
Price last confirmed 7 days ago
B
Retailer 14
-
$2,274 USD
View
Retailer 15
-
$2,445 USD
View
Price last confirmed 18 days ago
B
Retailer 16
-
$3,570 USD
View
Most Expensive
B
Queensmith
LG758501727 · Oct 27
$4,229 USD
£3,330 GBP
View
16 more retailers have this diamond
Prices start from $402 USDSave up to $3,827 USD

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
$402 USD