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Marquise|Lab Grown|IGI

1.00ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG780663738

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780663738

Diamond specifications and retailer prices

From $703 NZD
As of November 4, 2026
Save $2,739 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,442 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1ct lab-grown marquise diamond

This 1ct 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 LG780663738 or 780663738. Listed at 13 retailers as of November 1, 2026, with prices from $703 to $3,442, a $2,739 spread on the same certified stone. Rare Carat lists it at $3,442. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663738
Dimensions10.57 × 5.06 × 3.17 mm
L/W Ratio2.09
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
10.57 mm5.06 mm1.00 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663738
Side View
Table 63.0%Crown 34.5°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 62.6%

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: Nov 4
Current: $3,442 NZD|Low: $703 NZD|High: $3,732 NZD|Avg: $1,671 NZD|-1.8%
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
November 5, 2026
Retailer 10$703 NZD
Retailer 4$710 NZD
Retailer 13$766 NZD
Retailer 9$843 NZD
Retailer 7$867 NZD
Retailer 11$873 NZD
Retailer 6$930 NZD
Retailer 12$1,093 NZD
Retailer 3$1,919 NZD
Retailer 2$2,008 NZD
Retailer 5$2,361 NZD
Retailer 8$3,016 NZD
Rare Carat$3,442 NZD

45 data points across 13 retailers

13 retailers$703 NZD to $3,442 NZD

A
Cheapest Retailer
-
$703 NZD
A
Retailer 2
-
$710 NZD
View
A
Retailer 3
-
$766 NZD
View
A
Retailer 4
-
$843 NZD
View
A
Retailer 5
-
$867 NZD
View
A
Retailer 6
-
$873 NZD
View
A
Retailer 7
-
$930 NZD
View
A
Retailer 8
-
$1,093 NZD
View
B+
Retailer 9
-
$1,919 NZD
View
B+
Retailer 10
-
$2,008 NZD
View
B
Retailer 11
-
$2,361 NZD
View
B
Retailer 12
-
$3,016 NZD
View
Most Expensive
B
Rare Carat
53835 · Nov 1
$3,442 NZD
$1,940 USD
View
12 more retailers have this diamond
Prices start from $703 NZDSave up to $2,739 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
1.00ct Marquise
$703 NZD