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Marquise|Lab Grown|IGI

1.02ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG803603377

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803603377

Diamond specifications and retailer prices

From $224 USD
As of October 30, 2026
Save $1,286 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,510 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG803603377 or 803603377. Listed at 21 retailers as of October 30, 2026, with prices from $224 to $1,510, a $1,286 spread on the same certified stone. Brilliant Earth lists it at $1,510. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803603377
Dimensions10.17 × 5.29 × 3.33 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.17 mm5.29 mm1.02 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803603377
Side View
Table 60.0%Crown 38.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

Caratlytics Score

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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: Oct 30
Current: $1,510 USD|Low: $224 USD|High: $1,730 USD|Avg: $809 USD|-12.7%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 13$224 USD
Retailer 12$296 USD
Retailer 3$465 USD
Retailer 11$473 USD
Retailer 6$488 USD
Retailer 15$519 USD
Retailer 8$577 USD
Retailer 10$579 USD
Retailer 7$692 USD
Retailer 2$741 USD
Retailer 9$913 USD
Retailer 17$947 USD
Retailer 4$1,037 USD
Retailer 16$1,082 USD
Retailer 5$1,144 USD
Retailer 14$1,271 USD
Brilliant Earth$1,510 USD

32 data points across 17 retailers

21 retailers$224 USD to $1,510 USD

A
Cheapest Retailer
-
$224 USD
A
Retailer 2
-
$266 USD
View
A
Retailer 3
-
$284 USD
View
A
Retailer 4
-
$284 USD
View
A
Retailer 5
-
$296 USD
View
Final sale: no returns
A
Retailer 6
-
$465 USD
€443 EUR
View
A
Retailer 7
-
$473 USD
View
A
Retailer 8
-
$488 USD
ZAR 7,880 ZAR
View
A
Retailer 9
-
$519 USD
£408 GBP
View
A
Retailer 10
-
$577 USD
A$888 AUD
View
A
Retailer 11
-
$579 USD
View
B+
Retailer 12
-
$692 USD
A$1,065 AUD
View
B+
Retailer 13
-
$741 USD
View
B+
Retailer 14
-
$913 USD
View
B+
Retailer 15
-
$947 USD
View
B+
Retailer 16
-
$1,037 USD
A$1,595 AUD
View
B+
Retailer 17
-
$1,082 USD
£852 GBP
View
B
Retailer 18
-
$1,144 USD
£901 GBP
View
Retailer 19
-
$1,166 USD
View
Price last confirmed 110 days ago
B
Retailer 20
-
$1,271 USD
View
Most Expensive
B
Brilliant Earth
20048414A · Oct 30
$1,510 USD
View
20 more retailers have this diamond
Prices start from $224 USDSave up to $1,286 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
1.02ct Marquise
$224 USD