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Radiant|Lab Grown|IGI

3.09ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG816627554

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG816627554

Diamond specifications and retailer prices

From $1,429 USD
As of November 2, 2026
Save $4,226 USD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,960 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG816627554 or 816627554. Listed at 21 retailers as of November 2, 2026, with a 296% 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 angle31.3°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816627554
Dimensions9.61 × 6.88 × 4.62 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.61 mm6.88 mm3.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816627554
Side View
Table 63.0%Crown 31.3°Girdle: MediumPavilion 30.8°Culet: LargeDepth 67.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,807 USD|Low: $475 USD|High: $10,640 USD|Avg: $1,695 USD|+182.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
November 3, 2026
Retailer 4$494 USD
Retailer 5$613 USD
Retailer 3$1,319 USD
Retailer 12$1,429 USD
Retailer 11$1,965 USD
Retailer 8$2,521 USD
Retailer 1$2,807 USD
Retailer 6$3,172 USD
Retailer 13$4,100 USD
Retailer 10$4,471 USD
Retailer 2$4,834 USD
Retailer 7$5,655 USD
Taylor and Hart$6,960 USD
Retailer 9$10,640 USD

38 data points across 14 retailers

21 retailers$1,429 USD to $5,655 USD

Retailer 1
-
$494 USD
Price last confirmed 10 days ago
Retailer 2
-
$494 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$554 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$605 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$613 USD
View
Price last confirmed 23 days ago
Retailer 6
-
$613 USD
View
Price last confirmed 12 days ago
Retailer 7
-
$1,319 USD
ZAR 21,310 ZAR
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$1,429 USD
View
B+
Retailer 9
-
$1,546 USD
View
Retailer 10
-
$1,613 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$1,965 USD
View
Retailer 12
-
$2,445 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$2,521 USD
View
B
Retailer 14
-
$2,807 USD
£2,210 GBP
View
B
Retailer 15
-
$3,172 USD
View
B
Retailer 16
-
$4,100 USD
£3,228 GBP
View
B
Retailer 17
-
$4,471 USD
A$6,879 AUD
View
B
Retailer 18
-
$4,834 USD
View
B
Retailer 19
-
$5,655 USD
£4,453 GBP
View
Most Expensive
Taylor and Hart
LGZX9S9 · Oct 31
$6,960 USD
View
Price under review
19 more retailers have this diamond
Prices start from $1,429 USDSave up to $4,226 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.

B+
3.09ct Radiant
$1,429 USD