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Marquise|Lab Grown|IGI

3.02ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG801682323

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801682323

Diamond specifications and retailer prices

From $578 USD
As of November 6, 2026
Save $2,162 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,740 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.02ct lab-grown marquise diamond

This 3.02ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG801682323 or 801682323. Listed at 16 retailers as of November 4, 2026, with prices from $578 to $2,740, a $2,162 spread on the same certified stone. Brilliant Earth lists it at $2,740. 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

3.02
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801682323
Dimensions14.62 × 7.47 × 4.67 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.62 mm7.47 mm3.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG801682323
Side View
Table 59.0%Crown 33.8°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 62.5%

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 6
Current: $2,740 USD|Low: $393 USD|High: $3,960 USD|Avg: $1,257 USD|-30.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 13$393 USD
Retailer 12$510 USD
Retailer 5$578 USD
Retailer 8$682 USD
Retailer 7$779 USD
Retailer 10$826 USD
Retailer 6$990 USD
Retailer 2$1,050 USD
Retailer 3$1,442 USD
Retailer 11$1,676 USD
Retailer 9$1,705 USD
Retailer 4$2,115 USD
Brilliant Earth$2,740 USD

32 data points across 13 retailers

16 retailers$578 USD to $2,740 USD

Retailer 1
-
$440 USD
Price last confirmed 29 days ago
Retailer 2
-
$492 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$510 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$545 USD
View
Price last confirmed 34 days ago
B+
Retailer 5
-
$578 USD
View
Retailer 6
-
$682 USD
View
Price last confirmed 10 days ago
Retailer 7
-
$779 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$826 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$990 USD
View
B+
Retailer 10
-
$1,050 USD
View
Retailer 11
-
$1,442 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$1,676 USD
View
Price last confirmed 12 days ago
Retailer 13
-
$1,705 USD
View
Price last confirmed 12 days ago
Retailer 14
-
$1,753 USD
View
Price last confirmed 37 days ago
Retailer 15
-
$2,115 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20994450A · Nov 4
$2,740 USD
View
15 more retailers have this diamond
Prices start from $578 USDSave up to $2,162 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
3.02ct Marquise
$578 USD