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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG790671715

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790671715

Diamond specifications and retailer prices

From $429 NZD
As of November 4, 2026
Save $2,853 NZD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,282 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.09ct lab-grown marquise diamond

This 1.09ct 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 LG790671715 or 790671715. Listed at 20 retailers as of November 4, 2026, with prices from $429 to $3,282, a $2,853 spread on the same certified stone. Brilliant Earth lists it at $3,282. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790671715
Dimensions11.36 × 5.32 × 3.23 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.36 mm5.32 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG790671715
Side View
Table 57.0%Crown 31.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.7%

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: $3,282 NZD|Low: $412 NZD|High: $3,513 NZD|Avg: $1,336 NZD|-6.6%
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
Retailer 16
November 5, 2026
Retailer 4$429 NZD
Retailer 16$479 NZD
Retailer 5$532 NZD
Retailer 9$561 NZD
Retailer 15$718 NZD
Retailer 10$917 NZD
Retailer 12$956 NZD
Retailer 2$999 NZD
Retailer 8$1,080 NZD
Retailer 7$1,160 NZD
Retailer 6$1,710 NZD
Retailer 14$1,717 NZD
Retailer 13$2,102 NZD
Retailer 11$2,145 NZD
Retailer 3$2,354 NZD
Brilliant Earth$3,282 NZD

39 data points across 16 retailers

20 retailers$429 NZD to $3,282 NZD

A
Cheapest Retailer
-
$429 NZD
A
Retailer 2
-
$479 NZD
View
Final sale: no returns
A
Retailer 3
-
$498 NZD
View
Retailer 4
-
$532 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$532 NZD
View
A
Retailer 6
-
$561 NZD
View
A
Retailer 7
-
$718 NZD
View
A
Retailer 8
-
$917 NZD
View
Retailer 9
-
$956 NZD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$999 NZD
View
A
Retailer 11
-
$1,080 NZD
View
B+
Retailer 12
-
$1,160 NZD
View
B+
Retailer 13
-
$1,433 NZD
View
B+
Retailer 14
-
$1,710 NZD
View
B+
Retailer 15
-
$1,717 NZD
View
B+
Retailer 16
-
$1,802 NZD
View
B
Retailer 17
-
$2,102 NZD
View
Retailer 18
-
$2,145 NZD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$2,354 NZD
View
Most Expensive
B
Brilliant Earth
20608667A · Nov 4
$3,282 NZD
$1,850 USD
View
19 more retailers have this diamond
Prices start from $429 NZDSave up to $2,853 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
1.09ct Marquise
$429 NZD