Marquise|Lab Grown|IGI

1.05ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG818661409

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818661409

Diamond specifications and retailer prices

From $187 USD
As of October 27, 2026
Save $1,103 USD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,290 USD at Brilliant Earth · As of October 26, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818661409 or 818661409. Listed at 21 retailers as of October 26, 2026, with prices from $187 to $1,290, a $1,103 spread on the same certified stone. Brilliant Earth lists it at $1,290. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818661409
Dimensions10.88 × 5.27 × 3.23 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.88 mm5.27 mm1.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818661409
Side View
Table 63.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.3%

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: $1,290 USD|Low: $209 USD|High: $1,390 USD|Avg: $609 USD|-7.2%
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
October 29, 2026
Retailer 3$209 USD
Retailer 5$231 USD
Retailer 15$285 USD
Retailer 8$312 USD
Retailer 13$381 USD
Retailer 10$397 USD
Retailer 9$417 USD
Retailer 7$462 USD
Retailer 11$564 USD
Retailer 14$586 USD
Retailer 6$744 USD
Retailer 2$858 USD
Retailer 12$1,083 USD
Retailer 4$1,151 USD
Brilliant Earth$1,290 USD

44 data points across 15 retailers

21 retailers$187 USD to $1,290 USD

A
Cheapest Retailer
-
$187 USD
A
Retailer 2
-
$209 USD
View
Final sale: no returns
A
Retailer 3
-
$216 USD
View
A
Retailer 4
-
$231 USD
View
A
Retailer 5
-
$231 USD
View
A
Retailer 6
-
$285 USD
£224 GBP
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$312 USD
View
A
Retailer 8
-
$381 USD
€363 EUR
View
A
Retailer 9
-
$397 USD
ZAR 6,417 ZAR
View
A
Retailer 10
-
$417 USD
£328 GBP
View
A
Retailer 11
-
$434 USD
View
A
Retailer 12
-
$462 USD
View
B+
Retailer 13
-
$564 USD
A$868 AUD
View
B+
Retailer 14
-
$586 USD
View
B+
Retailer 15
-
$744 USD
View
B
Retailer 16
-
$775 USD
View
B
Retailer 17
-
$798 USD
View
B
Retailer 18
-
$858 USD
A$1,320 AUD
View
B
Retailer 19
-
$1,083 USD
£853 GBP
View
B
Retailer 20
-
$1,151 USD
View
Most Expensive
B
Brilliant Earth
20988727A · Oct 26
$1,290 USD
View
20 more retailers have this diamond
Prices start from $187 USDSave up to $1,103 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
$187 USD