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Marquise|Lab Grown|IGI

3.03ct F SI1 Marquise Lab Grown Diamond

VG • F/SI1 • IGI LG754564363

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754564363

Diamond specifications and retailer prices

From $408 USD
As of November 2, 2026
Save $2,302 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,710 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG754564363 or 754564363. Listed at 18 retailers as of November 2, 2026, with prices from $408 to $2,710, a $2,302 spread on the same certified stone. Brilliant Earth lists it at $2,710. 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
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754564363
Dimensions14.00 × 7.39 × 4.85 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.00 mm7.39 mm3.03 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754564363
Side View
Table 57.0%Crown 38.8°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 65.6%

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: Nov 2
Current: $2,710 USD|Low: $391 USD|High: $2,710 USD|Avg: $1,026 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 11$408 USD
Retailer 4$505 USD
Retailer 12$505 USD
Retailer 6$619 USD
Retailer 9$650 USD
Retailer 10$710 USD
Retailer 8$790 USD
Retailer 7$831 USD
Retailer 5$1,226 USD
Retailer 3$1,625 USD
Retailer 2$1,975 USD
Brilliant Earth$2,710 USD

39 data points across 12 retailers

18 retailers$408 USD to $2,710 USD

A
Cheapest Retailer
-
$408 USD
A
Retailer 2
-
$457 USD
View
Retailer 3
-
$505 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$505 USD
View
A
Retailer 5
-
$619 USD
£487 GBP
View
A
Retailer 6
-
$650 USD
View
B
Retailer 7
-
$710 USD
View
A
Retailer 8
-
$790 USD
€752 EUR
View
A
Retailer 9
-
$831 USD
£654 GBP
View
B+
Retailer 10
-
$883 USD
View
B+
Retailer 11
-
$1,026 USD
View
B+
Retailer 12
-
$1,226 USD
View
B
Retailer 13
-
$1,605 USD
SGD 2,169 SGD
View
B
Retailer 14
-
$1,625 USD
View
B
Retailer 15
-
$1,660 USD
View
B
Retailer 16
-
$1,975 USD
£1,555 GBP
View
B
Retailer 17
-
$2,070 USD
View
Most Expensive
B
Brilliant Earth
18204568A · Nov 2
$2,710 USD
View
17 more retailers have this diamond
Prices start from $408 USDSave up to $2,302 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
$408 USD