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Radiant|Lab Grown|IGI

15.09ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG691549480

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

Certificate IGI LG691549480

Diamond specifications and retailer prices

From $4,358 USD
As of October 30, 2026
Save $6,225 USD (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $29,990 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 15.09ct lab-grown radiant diamond

This 15.09ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG691549480 or 691549480. Listed at 12 retailers as of October 30, 2026, with a 143% 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

15.09
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691549480
Dimensions17.89 × 12.07 × 8.02 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.89 mm12.07 mm15.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691549480
Side View
Table 62.0%Crown 41.6°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 66.4%

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 30
Current: $29,990 USD|Low: $2,736 USD|High: $29,990 USD|Avg: $10,919 USD
Do Amore Diamonds
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
November 1, 2026
Retailer 13$4,358 USD
Retailer 15$4,881 USD
Retailer 8$5,104 USD
Retailer 6$5,572 USD
Retailer 17$6,175 USD
Retailer 10$6,190 USD
Retailer 7$6,463 USD
Retailer 12$6,579 USD
Retailer 11$7,259 USD
Retailer 16$7,352 USD
Retailer 2$10,583 USD
Retailer 5$11,483 USD
Retailer 9$13,936 USD
Retailer 3$14,414 USD
Retailer 4$14,636 USD
Retailer 14$28,600 USD
Do Amore Diamonds$29,990 USD

20 data points across 17 retailers

12 retailers$4,358 USD to $10,583 USD

A
Cheapest Retailer
-
$4,358 USD
A
Retailer 2
-
$4,568 USD
View
A
Retailer 3
-
$4,881 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,190 USD
View
B+
Retailer 5
-
$6,579 USD
View
B+
Retailer 6
-
$6,974 USD
View
B+
Retailer 7
-
$7,259 USD
View
Retailer 8
-
$7,352 USD
View
Price last confirmed 73 days ago
B
Retailer 9
-
$10,583 USD
A$16,282 AUD
View
Retailer 10
-
$11,483 USD
A$17,666 AUD
View
Price last confirmed 121 days ago
Retailer 11
-
$28,600 USD
View
Price under review
Most Expensive
Do Amore Diamonds
27-13173CC6A · Nov 2
$29,990 USD
View
Price under review
11 more retailers have this diamond
Prices start from $4,358 USDSave up to $6,225 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
15.09ct Radiant
$4,358 USD