Marquise|Lab Grown|IGI

3.00ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG839608343

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839608343

Diamond specifications and retailer prices

From $3,219 USD
As of October 30, 2026
Save $18,931 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $22,150 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3ct lab-grown marquise diamond

This 3ct 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 LG839608343 or 839608343. Listed at 19 retailers as of October 30, 2026, with prices from $3,219 to $22,150, a $18,931 spread on the same certified stone. Do Amore Diamonds lists it at $22,150. 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

3.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839608343
Dimensions14.15 × 7.49 × 4.82 mm
L/W Ratio1.89
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
14.15 mm7.49 mm3.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839608343
Side View
Table 57.0%Crown 34.4°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 64.4%

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: $22,150 USD|Low: $3,219 USD|High: $41,982 USD|Avg: $8,664 USD|-2.5%
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
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 19$3,219 USD
Retailer 20$3,317 USD
Retailer 8$3,522 USD
Retailer 18$3,540 USD
Retailer 3$3,890 USD
Retailer 15$4,905 USD
Retailer 6$5,151 USD
Retailer 17$5,256 USD
Retailer 10$5,695 USD
Retailer 13$5,797 USD
Retailer 7$6,818 USD
Retailer 9$7,510 USD
Retailer 4$8,786 USD
Retailer 2$8,829 USD
Retailer 14$9,393 USD
Retailer 5$10,217 USD
Retailer 12$11,320 USD
Retailer 16$15,716 USD
Do Amore Diamonds$22,150 USD
Retailer 11$23,393 USD

29 data points across 20 retailers

19 retailers$3,219 USD to $22,150 USD

A
Cheapest Retailer
-
$3,219 USD
A
Retailer 2
-
$3,317 USD
View
A
Retailer 3
-
$3,522 USD
View
A
Retailer 4
-
$3,540 USD
View
A
Retailer 5
-
$3,890 USD
View
A
Retailer 6
-
$4,905 USD
£3,862 GBP
View
A
Retailer 7
-
$5,151 USD
View
A
Retailer 8
-
$5,256 USD
View
A
Retailer 9
-
$5,695 USD
View
A
Retailer 10
-
$5,797 USD
View
B+
Retailer 11
-
$6,818 USD
€6,493 EUR
View
B+
Retailer 12
-
$7,510 USD
View
B+
Retailer 13
-
$8,786 USD
View
B+
Retailer 14
-
$8,829 USD
£6,952 GBP
View
B+
Retailer 15
-
$9,393 USD
A$14,451 AUD
View
B+
Retailer 16
-
$10,217 USD
View
Retailer 17
-
$11,320 USD
View
Price last confirmed 16 days ago
B
Retailer 18
-
$15,716 USD
A$24,178 AUD
View
Most Expensive
B
Do Amore Diamonds
27-ED5DFB697 · Oct 31
$22,150 USD
View
18 more retailers have this diamond
Prices start from $3,219 USDSave up to $18,931 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
3.00ct Marquise
$3,219 USD