CaratHunter
Plans
Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG678573572

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG678573572

Diamond specifications and retailer prices

From $353 NZD
$199 USD
As of October 30, 2026
Save $2,113 NZD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,466 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct 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 LG678573572 or 678573572. Listed at 13 retailers as of October 30, 2026, with prices from $353 to $2,466, a $2,113 spread on the same certified stone. Brilliant Earth lists it at $2,466. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678573572
Dimensions10.13 × 5.45 × 3.30 mm
L/W Ratio1.86
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
10.13 mm5.45 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678573572
Side View
Table 58.0%Crown 33.1°Girdle: MediumPavilion 39.7°Culet: NoneDepth 60.6%

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 30
Current: $2,466 NZD|Low: $353 NZD|High: $3,105 NZD|Avg: $1,228 NZD|-20.6%
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 30, 2026
Retailer 3$353 NZD
Retailer 10$410 NZD
Retailer 5$493 NZD
Retailer 13$612 NZD
Retailer 9$755 NZD
Retailer 6$834 NZD
Retailer 11$859 NZD
Retailer 7$936 NZD
Retailer 2$1,070 NZD
Retailer 12$1,144 NZD
Retailer 14$1,407 NZD
Retailer 15$1,528 NZD
Retailer 4$2,005 NZD
Retailer 8$2,051 NZD
Brilliant Earth$2,466 NZD

34 data points across 15 retailers

13 retailers$353 NZD to $2,466 NZD

A
Cheapest Retailer
-
$353 NZD
$199 USD
A
Retailer 2
-
$410 NZD
$231 USD
View
A
Retailer 3
-
$493 NZD
$278 USD
View
Final sale: no returns
A
Retailer 4
-
$612 NZD
$345 USD
View
A
Retailer 5
-
$755 NZD
€405 EUR
View
A
Retailer 6
-
$859 NZD
$484 USD
View
A
Retailer 7
-
$1,070 NZD
A$928 AUD
View
B+
Retailer 8
-
$1,144 NZD
$645 USD
View
B+
Retailer 9
-
$1,407 NZD
$793 USD
View
B+
Retailer 10
-
$1,528 NZD
$861 USD
View
B
Retailer 11
-
$2,005 NZD
$1,130 USD
View
B
Retailer 12
-
$2,051 NZD
£910 GBP
View
Most Expensive
B
Brilliant Earth
14093526A · Oct 30
$2,466 NZD
$1,390 USD
View
12 more retailers have this diamond
Prices start from $353 NZDSave up to $2,113 NZD

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
1.03ct Marquise
$353 NZD