Marquise|Lab Grown|IGI

4.51ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG628401655

Certificate IGI LG628401655

Diamond specifications and retailer prices

From $755 USD
Save $6,165 USD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,920 USD at Brilliant Earth
View at Brilliant Earth

About this 4.51ct lab-grown marquise diamond

This 4.51ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG628401655 or 628401655. Listed at 12 retailers, with a 817% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.51
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628401655
Dimensions16.98 × 8.63 × 5.30 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.98 mm8.63 mm4.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628401655
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.4%

Caratlytics Score

How it works
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: 4 hours ago
Current: $6,920 USD|Low: $476 USD|High: $6,920 USD|Avg: $1,960 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

28 data points across 12 retailers

12 retailers$755 USD - $6,920 USD

A
Cheapest Retailer
-
$755 USD
View
A
Retailer 2
-
$965 USD
View
A
Retailer 3
-
$1,102 USD
View
B+
Retailer 4
-
$1,120 USD
View
A
Retailer 5
-
$1,226 USD
£965 GBP
View
B+
Retailer 6
-
$1,234 USD
€1,175 EUR
View
B+
Retailer 7
-
$1,387 USD
View
B+
Retailer 8
-
$1,676 USD
A$2,578 AUD
View
B+
Retailer 9
-
$1,820 USD
View
B
Retailer 10
-
$2,582 USD
View
B
Retailer 11
-
$2,699 USD
View
Most Expensive
B
Brilliant Earth
10065179A · Sep 11
$6,920 USD
View
11 more retailers have this diamond
Prices start from $755 USDSave up to $6,165 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.

A
4.51ct Marquise
$755 USD

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