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Marquise|Lab Grown|IGI

3.03ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG746511876

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG746511876

Diamond specifications and retailer prices

From $6,165 USD
As of November 3, 2026
Save $15,379 USD (71%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $29,046 USD at Michael Trio · As of October 29, 2026
View at Michael Trio

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), with a top-tier cut grade and certified by IGI LG746511876 or 746511876. Listed at 22 retailers as of November 3, 2026, with a 249% 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

3.03
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746511876
Dimensions15.04 × 7.52 × 4.77 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.04 mm7.52 mm3.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746511876
Side View
Table 57.0%Crown 34.1°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 63.4%

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: Nov 3
Current: $29,046 USD|Low: $6,165 USD|High: $29,046 USD|Avg: $14,187 USD
Michael Trio
Retailer 2
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Retailer 18
November 4, 2026
Retailer 15$6,165 USD
Retailer 12$6,486 USD
Retailer 2$7,300 USD
Retailer 8$7,325 USD
Retailer 16$7,559 USD
Retailer 5$9,555 USD
Retailer 18$9,890 USD
Retailer 10$10,035 USD
Retailer 4$10,210 USD
Retailer 17$11,680 USD
Retailer 13$12,701 USD
Retailer 14$13,670 USD
Retailer 6$13,690 USD
Retailer 11$15,647 USD
Retailer 3$19,600 USD
Retailer 7$21,544 USD
Retailer 9$28,140 USD
Michael Trio$29,046 USD

36 data points across 18 retailers

22 retailers$6,165 USD to $21,544 USD

A
Cheapest Retailer
-
$6,165 USD
B+
Retailer 2
-
$6,486 USD
View
Final sale: no returns
B+
Retailer 3
-
$7,300 USD
View
Retailer 4
-
$7,318 USD
View
Price last confirmed 79 days ago
B+
Retailer 5
-
$7,325 USD
View
B+
Retailer 6
-
$7,559 USD
View
B+
Retailer 7
-
$9,382 USD
View
B+
Retailer 8
-
$9,555 USD
View
B+
Retailer 9
-
$9,890 USD
View
B
Retailer 10
-
$10,035 USD
View
B+
Retailer 11
-
$10,210 USD
View
B+
Retailer 12
-
$11,680 USD
View
B
Retailer 13
-
$12,701 USD
View
B
Retailer 14
-
$13,370 USD
View
B
Retailer 15
-
$13,670 USD
View
B
Retailer 16
-
$13,690 USD
View
B
Retailer 17
-
$14,298 USD
View
B
Retailer 18
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$15,647 USD
View
B
Retailer 19
-
$19,600 USD
View
B
Retailer 20
-
$21,544 USD
View
Retailer 21
-
$28,140 USD
View
Price under review
Most Expensive
Michael Trio
1815515853 · Oct 29
$29,046 USD
SGD 39,252 SGD
View
Price under review
21 more retailers have this diamond
Prices start from $6,165 USDSave up to $15,379 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
$6,165 USD