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Marquise|Lab Grown|IGI

1.02ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG729594443

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG729594443

Diamond specifications and retailer prices

From $229 USD
As of October 27, 2026
Save $1,471 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,700 USD at Brilliant Earth · As of October 28, 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 LG729594443 or 729594443. Listed at 22 retailers as of October 27, 2026, with prices from $229 to $1,700, a $1,471 spread on the same certified stone. Brilliant Earth lists it at $1,700. 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 angle36.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729594443
Dimensions10.34 × 10.34 × 5.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.34 mm10.34 mm1.02 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729594443
Side View
Table 58.0%Crown 36.9°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 61.8%

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: Oct 27
Current: $1,700 USD|Low: $214 USD|High: $1,730 USD|Avg: $704 USD|-1.7%
Brilliant Earth
Retailer 2
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Retailer 21
October 29, 2026
Retailer 5$229 USD
Retailer 3$266 USD
Retailer 4$284 USD
Retailer 8$284 USD
Retailer 19$303 USD
Retailer 13$465 USD
Retailer 6$482 USD
Retailer 17$488 USD
Retailer 2$533 USD
Retailer 20$577 USD
Retailer 11$581 USD
Retailer 10$592 USD
Retailer 18$692 USD
Retailer 21$762 USD
Retailer 9$913 USD
Retailer 14$965 USD
Retailer 15$1,037 USD
Retailer 12$1,113 USD
Retailer 16$1,144 USD
Retailer 7$1,286 USD
Brilliant Earth$1,700 USD

30 data points across 21 retailers

22 retailers$229 USD to $1,700 USD

A
Cheapest Retailer
-
$229 USD
A
Retailer 2
-
$266 USD
View
A
Retailer 3
-
$284 USD
View
A
Retailer 4
-
$284 USD
View
A
Retailer 5
-
$303 USD
View
Final sale: no returns
A
Retailer 6
-
$465 USD
€443 EUR
View
A
Retailer 7
-
$482 USD
View
A
Retailer 8
-
$488 USD
ZAR 7,880 ZAR
View
A
Retailer 9
-
$533 USD
£420 GBP
View
A
Retailer 10
-
$577 USD
A$888 AUD
View
A
Retailer 11
-
$581 USD
View
A
Retailer 12
-
$592 USD
View
B+
Retailer 13
-
$692 USD
A$1,065 AUD
View
B+
Retailer 14
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$762 USD
View
B+
Retailer 15
-
$913 USD
View
B+
Retailer 16
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$965 USD
View
B+
Retailer 17
-
$1,037 USD
A$1,595 AUD
View
B+
Retailer 18
-
$1,113 USD
£876 GBP
View
B+
Retailer 19
-
$1,144 USD
£901 GBP
View
B
Retailer 20
-
$1,166 USD
View
Price last confirmed 109 days ago
B
Retailer 21
-
$1,286 USD
View
Most Expensive
B
Brilliant Earth
16486150A · Oct 28
$1,700 USD
View
21 more retailers have this diamond
Prices start from $229 USDSave up to $1,471 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
$229 USD