CaratHunter
Plans
Marquise|Lab Grown|IGI

3.03ct D IF Marquise Lab Grown Diamond

D/IF • IGI LG768631457

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768631457

Diamond specifications and retailer prices

From $3,052 USD
As of November 4, 2026
Save $17,948 USD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $21,000 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG768631457 or 768631457. Listed at 17 retailers as of November 4, 2026, with prices from $3,052 to $21,000, a $17,948 spread on the same certified stone. Do Amore Diamonds lists it at $21,000. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
D
Color
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631457
Dimensions14.58 × 7.29 × 4.87 mm
L/W Ratio2.00
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
14.58 mm7.29 mm3.03 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631457
Side View
Table 57.0%Crown 36.2°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 66.8%

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: Nov 4
Current: $21,000 USD|Low: $3,052 USD|High: $23,580 USD|Avg: $7,834 USD|-10.9%
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
November 4, 2026
Retailer 10$3,052 USD
Retailer 13$3,134 USD
Retailer 17$3,536 USD
Retailer 5$3,572 USD
Retailer 12$3,700 USD
Retailer 9$3,846 USD
Retailer 11$4,883 USD
Retailer 15$4,982 USD
Retailer 2$5,499 USD
Retailer 8$5,755 USD
Retailer 6$6,872 USD
Retailer 7$8,959 USD
Retailer 3$9,486 USD
Retailer 16$9,664 USD
Retailer 14$10,320 USD
Retailer 4$15,873 USD
Do Amore Diamonds$21,000 USD

35 data points across 17 retailers

17 retailers$3,052 USD to $21,000 USD

A
Cheapest Retailer
-
$3,052 USD
A
Retailer 2
-
$3,134 USD
View
A
Retailer 3
-
$3,536 USD
View
A
Retailer 4
-
$3,572 USD
View
A
Retailer 5
-
$3,700 USD
View
A
Retailer 6
-
$3,846 USD
View
Final sale: no returns
A
Retailer 7
-
$4,883 USD
View
A
Retailer 8
-
$4,982 USD
View
B+
Retailer 9
-
$5,499 USD
View
B+
Retailer 10
-
$5,755 USD
View
B+
Retailer 11
-
$6,872 USD
View
B
Retailer 12
-
$8,959 USD
View
B
Retailer 13
-
$9,486 USD
View
B
Retailer 14
-
$9,664 USD
View
B
Retailer 15
-
$10,320 USD
View
B
Retailer 16
-
$15,873 USD
View
Most Expensive
B
Do Amore Diamonds
27-D83235487 · Nov 4
$21,000 USD
View
16 more retailers have this diamond
Prices start from $3,052 USDSave up to $17,948 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
3.03ct Marquise
$3,052 USD