Radiant|Lab Grown|IGI

3.09ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG758551526

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

Certificate IGI LG758551526

Diamond specifications and retailer prices

From $413 USD
As of October 30, 2026
Save $3,816 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,600 USD at Brilliant Earth · As of October 14, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG758551526 or 758551526. Listed at 17 retailers as of October 27, 2026, with a 924% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle44°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758551526
Dimensions7.29 × 7.29 × 4.90 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.29 mm7.29 mm3.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758551526
Side View
Table 68.0%Crown 44°Girdle: MediumPavilion 36°Culet: NoneDepth 67.2%

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 30
Current: $5,600 USD|Low: $413 USD|High: $5,600 USD|Avg: $1,882 USD
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
November 1, 2026
Retailer 15$413 USD
Retailer 9$510 USD
Retailer 4$520 USD
Retailer 14$686 USD
Retailer 8$782 USD
Retailer 2$944 USD
Retailer 17$950 USD
Retailer 10$1,142 USD
Retailer 19$1,193 USD
Retailer 11$1,262 USD
Retailer 3$1,815 USD
Retailer 13$1,931 USD
Retailer 18$1,979 USD
Retailer 20$2,085 USD
Retailer 12$2,274 USD
Retailer 7$2,445 USD
Retailer 6$3,065 USD
Retailer 16$3,660 USD
Retailer 5$4,229 USD
Brilliant Earth$5,600 USD

25 data points across 20 retailers

17 retailers$413 USD to $4,229 USD

A
Cheapest Retailer
-
$413 USD
A
Retailer 2
-
$520 USD
View
Final sale: no returns
B+
Retailer 3
-
$686 USD
View
A
Retailer 4
-
$944 USD
£743 GBP
View
A
Retailer 5
-
$950 USD
View
A
Retailer 6
-
$1,193 USD
A$1,835 AUD
View
B+
Retailer 7
-
$1,577 USD
CA$2,190 CAD
View
B+
Retailer 8
-
$1,815 USD
View
Retailer 9
-
$1,850 USD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
$1,931 USD
View
B+
Retailer 11
-
$1,979 USD
View
B
Retailer 12
-
$2,085 USD
£1,642 GBP
View
B
Retailer 13
-
$2,274 USD
View
Retailer 14
-
$2,445 USD
View
Price last confirmed 24 days ago
B
Retailer 15
-
$3,660 USD
View
B
Retailer 16
-
$4,229 USD
£3,330 GBP
View
Most Expensive
Brilliant Earth
19583779Y · Oct 14
$5,600 USD
View
Price last confirmed 18 days ago
16 more retailers have this diamond
Prices start from $413 USDSave up to $3,816 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
$413 USD