Oval|Lab Grown|IGI

3.09ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG818623970

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818623970

Diamond specifications and retailer prices

From $1,306 USD
As of October 29, 2026
Save $4,013 USD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,319 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.09ct lab-grown oval diamond

This 3.09ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818623970 or 818623970. Listed at 17 retailers as of October 29, 2026, with prices from $1,306 to $5,319, a $4,013 spread on the same certified stone. Taylor and Hart lists it at $5,319. 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
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623970
Dimensions11.69 × 8.24 × 5.18 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.69 mm8.24 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623970
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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: Oct 29
Current: $2,135 USD|Low: $1,306 USD|High: $8,234 USD|Avg: $3,680 USD|-33.9%
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
Retailer 14
Retailer 15
Taylor and Hart
October 30, 2026
Retailer 13$1,306 USD
Retailer 11$1,421 USD
Retailer 4$1,462 USD
Retailer 7$1,515 USD
Retailer 10$1,685 USD
Retailer 1$2,135 USD
Retailer 9$2,306 USD
Retailer 2$2,397 USD
Retailer 12$2,823 USD
Retailer 15$2,839 USD
Retailer 14$3,044 USD
Retailer 6$3,658 USD
Retailer 5$4,347 USD
Retailer 3$4,723 USD
Retailer 8$4,893 USD
Taylor and Hart$5,319 USD

37 data points across 16 retailers

17 retailers$1,306 USD to $5,319 USD

A
Cheapest Retailer
-
$1,306 USD
A
Retailer 2
-
$1,421 USD
View
A
Retailer 3
-
$1,462 USD
View
Final sale: no returns
A
Retailer 4
-
$1,515 USD
View
A
Retailer 5
-
$1,685 USD
View
A
Retailer 6
-
$2,135 USD
£1,681 GBP
View
Retailer 7
-
$2,218 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$2,306 USD
€2,196 EUR
View
A
Retailer 9
-
$2,397 USD
View
A
Retailer 10
-
$2,823 USD
View
A
Retailer 11
-
$2,839 USD
View
A
Retailer 12
-
$3,044 USD
View
B+
Retailer 13
-
$3,658 USD
£2,880 GBP
View
B+
Retailer 14
-
$4,347 USD
View
B+
Retailer 15
-
$4,723 USD
View
B+
Retailer 16
-
$4,893 USD
£3,853 GBP
View
Most Expensive
B
Taylor and Hart
QWBL14S · Oct 30
$5,319 USD
View
16 more retailers have this diamond
Prices start from $1,306 USDSave up to $4,013 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 Oval
$1,306 USD