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Marquise|Lab Grown|IGI

3.08ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG768630094

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768630094

Diamond specifications and retailer prices

From $6,387 USD
As of November 3, 2026
Save $2,753 USD (30%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $17,954 USD at Taylor and Hart · As of October 20, 2026
View at Taylor and Hart

About this 3.08ct lab-grown marquise diamond

This 3.08ct lab-grown marquise 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 LG768630094 or 768630094. Listed at 12 retailers as of November 3, 2026, with a 43% 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

3.08
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630094
Dimensions14.92 × 7.61 × 4.73 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
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
14.92 mm7.61 mm3.08 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630094
Side View
Table 61.0%Crown 35.2°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: $9,140 USD|Low: $3,581 USD|High: $21,450 USD|Avg: $9,504 USD|-32.1%
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
Taylor and Hart
October 30, 2026
Retailer 9$3,581 USD
Retailer 6$4,027 USD
Retailer 13$4,302 USD
Retailer 3$6,387 USD
Retailer 7$6,582 USD
Retailer 11$7,495 USD
Retailer 2$7,750 USD
Retailer 10$8,218 USD
Retailer 4$8,610 USD
Retailer 1$9,140 USD
Retailer 5$10,255 USD
Retailer 12$10,485 USD
Retailer 8$11,565 USD
Retailer 14$13,552 USD
Taylor and Hart$17,954 USD

30 data points across 15 retailers

12 retailers$6,387 USD to $9,140 USD

Retailer 1
-
$3,581 USD
Price last confirmed 11 days ago
Retailer 2
-
$4,302 USD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
$6,387 USD
View
Retailer 4
-
$6,582 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$7,495 USD
View
Price last confirmed 14 days ago
Retailer 6
-
$7,750 USD
View
Price last confirmed 14 days ago
Retailer 7
-
$8,610 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$9,140 USD
View
Retailer 9
-
$10,485 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$11,565 USD
View
Price last confirmed 15 days ago
Retailer 11
-
$13,552 USD
View
Price last confirmed 13 days ago
Most Expensive
Taylor and Hart
BG7CRQL · Oct 20
$17,954 USD
View
Price last confirmed 14 days ago
11 more retailers have this diamond
Prices start from $6,387 USDSave up to $2,753 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+
3.08ct Marquise
$6,387 USD