Marquise|Lab Grown|IGI

1.01ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818663222

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818663222

Diamond specifications and retailer prices

From $256 USD
As of October 30, 2026
Save $1,719 USD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,975 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818663222 or 818663222. Listed at 19 retailers as of October 28, 2026, with prices from $256 to $1,975, a $1,719 spread on the same certified stone. Rare Carat lists it at $1,975. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663222
Dimensions10.24 × 5.20 × 3.30 mm
L/W Ratio1.97
Girdle conditionFaceted
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
10.24 mm5.20 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663222
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.5%

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 30
Current: $1,975 USD|Low: $231 USD|High: $1,985 USD|Avg: $838 USD|-0.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 10$256 USD
Retailer 6$400 USD
Retailer 8$489 USD
Retailer 2$536 USD
Retailer 4$565 USD
Retailer 9$572 USD
Retailer 13$572 USD
Retailer 5$779 USD
Retailer 12$967 USD
Retailer 3$1,074 USD
Retailer 11$1,140 USD
Retailer 7$1,287 USD
Rare Carat$1,975 USD

35 data points across 13 retailers

19 retailers$256 USD to $1,975 USD

A
Cheapest Retailer
-
$256 USD
Final sale: no returns
Retailer 2
-
$282 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$337 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$349 USD
View
Price last confirmed 27 days ago
Retailer 5
-
$349 USD
View
Price last confirmed 18 days ago
Retailer 6
-
$356 USD
View
Price last confirmed 35 days ago
A
Retailer 7
-
$400 USD
View
A
Retailer 8
-
$489 USD
ZAR 7,892 ZAR
View
A
Retailer 9
-
$536 USD
£422 GBP
View
A
Retailer 10
-
$565 USD
View
A
Retailer 11
-
$572 USD
View
A
Retailer 12
-
$572 USD
€545 EUR
View
B+
Retailer 13
-
$779 USD
View
B+
Retailer 14
-
$967 USD
View
B
Retailer 15
-
$1,074 USD
View
Retailer 16
-
$1,123 USD
View
Price last confirmed 26 days ago
B+
Retailer 17
-
$1,140 USD
£898 GBP
View
B+
Retailer 18
-
$1,287 USD
View
Most Expensive
B
Rare Carat
C479-39A · Oct 28
$1,975 USD
View
18 more retailers have this diamond
Prices start from $256 USDSave up to $1,719 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
1.01ct Marquise
$256 USD