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Marquise|Lab Grown|IGI

1.02ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG719516058

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG719516058

Diamond specifications and retailer prices

From $268 USD
As of October 27, 2026
Save $1,142 USD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,790 USD at Brilliant Earth · As of October 8, 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 LG719516058 or 719516058. Listed at 20 retailers as of October 27, 2026, with a 426% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719516058
Dimensions10.48 × 5.16 × 3.33 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.48 mm5.16 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719516058
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.5%

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: Oct 27
Current: $1,790 USD|Low: $257 USD|High: $1,790 USD|Avg: $628 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 16$268 USD
Retailer 7$300 USD
Retailer 4$332 USD
Retailer 5$332 USD
Retailer 9$353 USD
Retailer 15$448 USD
Retailer 12$490 USD
Retailer 3$547 USD
Retailer 11$571 USD
Retailer 6$575 USD
Retailer 8$594 USD
Retailer 2$635 USD
Retailer 10$809 USD
Retailer 14$821 USD
Retailer 13$1,334 USD
Brilliant Earth$1,790 USD

42 data points across 16 retailers

20 retailers$268 USD to $1,410 USD

A
Cheapest Retailer
-
$268 USD
A
Retailer 2
-
$300 USD
View
Final sale: no returns
A
Retailer 3
-
$311 USD
View
A
Retailer 4
-
$332 USD
View
A
Retailer 5
-
$332 USD
View
A
Retailer 6
-
$353 USD
£278 GBP
View
A
Retailer 7
-
$448 USD
View
A
Retailer 8
-
$490 USD
View
A
Retailer 9
-
$571 USD
ZAR 9,222 ZAR
View
A
Retailer 10
-
$575 USD
View
A
Retailer 11
-
$594 USD
View
B+
Retailer 12
-
$635 USD
£500 GBP
View
B+
Retailer 13
-
$809 USD
A$1,244 AUD
View
B+
Retailer 14
-
$821 USD
View
B
Retailer 15
-
$1,068 USD
View
B
Retailer 16
-
$1,119 USD
View
Retailer 17
-
$1,152 USD
View
Price last confirmed 81 days ago
B+
Retailer 18
-
$1,334 USD
£1,050 GBP
View
B
Retailer 19
-
$1,410 USD
View
Most Expensive
Brilliant Earth
21384709A · Oct 8
$1,790 USD
View
Price last confirmed 21 days ago
19 more retailers have this diamond
Prices start from $268 USDSave up to $1,142 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
$268 USD