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Marquise|Lab Grown|IGI

1.05ct E IF Marquise Lab Grown Diamond

VG • E/IF • IGI LG717575840

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG717575840

Diamond specifications and retailer prices

From $198 USD
As of October 30, 2026
Save $1,192 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,390 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG717575840 or 717575840. Listed at 17 retailers as of October 30, 2026, with prices from $198 to $1,390, a $1,192 spread on the same certified stone. Brilliant Earth lists it at $1,390. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
E
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle39.1°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717575840
Dimensions9.79 × 5.34 × 3.47 mm
L/W Ratio1.83
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
9.79 mm5.34 mm1.05 ctE / IF
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG717575840
Side View
Table 55.0%Crown 39.1°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 65.0%

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: $1,390 USD|Low: $156 USD|High: $2,020 USD|Avg: $671 USD|-31.2%
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 31, 2026
Retailer 9$198 USD
Retailer 16$221 USD
Retailer 11$246 USD
Retailer 6$256 USD
Retailer 3$428 USD
Retailer 7$432 USD
Retailer 5$446 USD
Retailer 10$451 USD
Retailer 14$485 USD
Retailer 15$599 USD
Retailer 2$652 USD
Retailer 12$833 USD
Retailer 13$1,157 USD
Retailer 8$1,170 USD
Retailer 4$1,189 USD
Brilliant Earth$1,390 USD

37 data points across 16 retailers

17 retailers$198 USD to $1,390 USD

A
Cheapest Retailer
-
$198 USD
A
Retailer 2
-
$221 USD
View
Final sale: no returns
A
Retailer 3
-
$246 USD
View
A
Retailer 4
-
$256 USD
View
A
Retailer 5
-
$428 USD
View
Retailer 6
-
$432 USD
ZAR 6,981 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$446 USD
€425 EUR
View
A
Retailer 8
-
$451 USD
£355 GBP
View
A
Retailer 9
-
$485 USD
View
B+
Retailer 10
-
$599 USD
View
B+
Retailer 11
-
$652 USD
View
Retailer 12
-
$824 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$833 USD
View
B
Retailer 14
-
$1,157 USD
£911 GBP
View
Retailer 15
-
$1,170 USD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$1,189 USD
View
Most Expensive
B
Brilliant Earth
15598048A · Oct 30
$1,390 USD
View
16 more retailers have this diamond
Prices start from $198 USDSave up to $1,192 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
1.05ct Marquise
$198 USD