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Marquise|Lab Grown|IGI

3.06ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG768629004

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768629004

Diamond specifications and retailer prices

From $3,557 USD
As of October 31, 2026
Save $14,280 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $17,837 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768629004 or 768629004. Listed at 12 retailers as of October 31, 2026, with prices from $3,557 to $17,837, a $14,280 spread on the same certified stone. Taylor and Hart lists it at $17,837. 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

3.06
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629004
Dimensions14.99 × 7.68 × 4.77 mm
L/W Ratio1.95
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
14.99 mm7.68 mm3.06 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629004
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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 31
Current: $10,364 USD|Low: $3,557 USD|High: $18,461 USD|Avg: $9,273 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 1, 2026
Retailer 8$3,557 USD
Retailer 11$4,276 USD
Retailer 9$5,810 USD
Retailer 3$6,336 USD
Retailer 5$6,485 USD
Retailer 7$7,660 USD
Retailer 10$7,700 USD
Retailer 6$8,213 USD
Retailer 1$10,364 USD
Retailer 2$13,464 USD
Retailer 4$16,581 USD
Taylor and Hart$17,837 USD

37 data points across 12 retailers

12 retailers$3,557 USD to $17,837 USD

A
Cheapest Retailer
-
$3,557 USD
A
Retailer 2
-
$4,276 USD
View
A
Retailer 3
-
$5,810 USD
View
B+
Retailer 4
-
$6,336 USD
HK$49,500 HKD
View
B+
Retailer 5
-
$6,485 USD
£5,106 GBP
View
B+
Retailer 6
-
$7,660 USD
View
B+
Retailer 7
-
$7,700 USD
View
B+
Retailer 8
-
$8,213 USD
€7,822 EUR
View
B+
Retailer 9
-
$10,364 USD
£8,161 GBP
View
Retailer 10
-
$13,464 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$16,581 USD
A$25,509 AUD
View
Most Expensive
B
Taylor and Hart
CKLW9TS · Oct 31
$17,837 USD
View
11 more retailers have this diamond
Prices start from $3,557 USDSave up to $14,280 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
3.06ct Marquise
$3,557 USD