CaratHunter
Plans
Marquise|Lab Grown|IGI

1.04ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG630428922

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG630428922

Diamond specifications and retailer prices

From $294 USD
As of November 1, 2026
Save $1,102 USD (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,830 USD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.04ct lab-grown marquise diamond

This 1.04ct 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 LG630428922 or 630428922. Listed at 22 retailers as of November 1, 2026, with a 375% 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

1.04
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630428922
Dimensions10.28 × 5.31 × 3.36 mm
L/W Ratio1.94
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
10.28 mm5.31 mm1.04 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630428922
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.3%

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: Nov 1
Current: $1,830 USD|Low: $209 USD|High: $1,830 USD|Avg: $818 USD|+2.2%
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
November 1, 2026
Retailer 5$294 USD
Retailer 9$440 USD
Retailer 14$440 USD
Retailer 13$539 USD
Retailer 12$561 USD
Retailer 6$612 USD
Retailer 2$625 USD
Retailer 3$645 USD
Retailer 7$686 USD
Retailer 11$795 USD
Retailer 15$1,004 USD
Retailer 8$1,102 USD
Retailer 4$1,184 USD
Retailer 16$1,280 USD
Retailer 10$1,317 USD
Brilliant Earth$1,830 USD

44 data points across 16 retailers

22 retailers$294 USD to $1,396 USD

Retailer 1
-
$264 USD
Price last confirmed 15 days ago
A
Retailer 2
-
$294 USD
View
Final sale: no returns
Retailer 3
-
$306 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$327 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$327 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$440 USD
View
A
Retailer 7
-
$440 USD
View
A
Retailer 8
-
$539 USD
€513 EUR
View
A
Retailer 9
-
$561 USD
ZAR 9,070 ZAR
View
A
Retailer 10
-
$612 USD
View
B+
Retailer 11
-
$625 USD
£493 GBP
View
B+
Retailer 12
-
$645 USD
View
Retailer 13
-
$686 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$795 USD
A$1,223 AUD
View
B
Retailer 15
-
$1,004 USD
View
Retailer 16
-
$1,050 USD
View
Price last confirmed 16 days ago
B
Retailer 17
-
$1,102 USD
View
B
Retailer 18
-
$1,208 USD
View
B
Retailer 19
-
$1,280 USD
£1,008 GBP
View
B+
Retailer 20
-
$1,317 USD
£1,037 GBP
View
B
Retailer 21
-
$1,396 USD
View
Most Expensive
Brilliant Earth
10023992A · Oct 24
$1,830 USD
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $294 USDSave up to $1,102 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
1.04ct Marquise
$294 USD