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Marquise|Lab Grown|IGI

1.91ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG818623828

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818623828

Diamond specifications and retailer prices

From $1,794 NZD
$1,011 USD
As of October 30, 2026
Save $14,139 NZD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $15,933 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.91ct lab-grown marquise diamond

This 1.91ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818623828 or 818623828. Listed at 22 retailers as of October 30, 2026, with prices from $1,794 to $15,933, a $14,139 spread on the same certified stone. Do Amore Diamonds lists it at $15,933. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623828
Dimensions12.59 × 6.58 × 4.13 mm
L/W Ratio1.91
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
12.59 mm6.58 mm1.91 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623828
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.8%

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: $15,933 NZD|Low: $1,794 NZD|High: $18,169 NZD|Avg: $5,255 NZD|-12.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 11
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Retailer 17
Retailer 18
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Retailer 21
October 30, 2026
Retailer 10$1,794 NZD
Retailer 18$1,952 NZD
Retailer 6$2,010 NZD
Retailer 5$2,081 NZD
Retailer 15$2,395 NZD
Retailer 20$2,436 NZD
Retailer 21$2,928 NZD
Retailer 2$3,330 NZD
Retailer 16$3,486 NZD
Retailer 13$4,223 NZD
Retailer 12$4,306 NZD
Retailer 19$4,351 NZD
Retailer 7$4,833 NZD
Retailer 3$5,412 NZD
Retailer 8$6,354 NZD
Retailer 9$6,462 NZD
Retailer 4$6,646 NZD
Retailer 17$7,391 NZD
Retailer 14$7,408 NZD
Retailer 11$8,166 NZD
Do Amore Diamonds$15,933 NZD

33 data points across 21 retailers

22 retailers$1,794 NZD to $15,933 NZD

A
Cheapest Retailer
-
$1,794 NZD
$1,011 USD
A
Retailer 2
-
$1,952 NZD
$1,100 USD
View
A
Retailer 3
-
$2,010 NZD
$1,133 USD
View
Final sale: no returns
A
Retailer 4
-
$2,081 NZD
$1,173 USD
View
Retailer 5
-
$2,081 NZD
$1,173 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$2,395 NZD
$1,350 USD
View
A
Retailer 7
-
$2,436 NZD
$1,373 USD
View
A
Retailer 8
-
$2,928 NZD
$1,650 USD
View
A
Retailer 9
-
$3,330 NZD
£1,478 GBP
View
A
Retailer 10
-
$3,486 NZD
€1,871 EUR
View
B+
Retailer 11
-
$4,223 NZD
ZAR 38,455 ZAR
View
B+
Retailer 12
-
$4,306 NZD
$2,427 USD
View
B+
Retailer 13
-
$4,351 NZD
$2,452 USD
View
B+
Retailer 14
-
$4,833 NZD
$2,724 USD
View
B+
Retailer 15
-
$5,412 NZD
$3,050 USD
View
B+
Retailer 16
-
$6,354 NZD
£2,820 GBP
View
B+
Retailer 17
-
$6,462 NZD
$3,642 USD
View
B+
Retailer 18
-
$6,646 NZD
$3,746 USD
View
B+
Retailer 19
-
$7,391 NZD
£3,280 GBP
View
B
Retailer 20
-
$7,408 NZD
$4,175 USD
View
B
Retailer 21
-
$8,166 NZD
$4,602 USD
View
Most Expensive
B
Do Amore Diamonds
27-0B70763D2 · Oct 31
$15,933 NZD
$8,980 USD
View
21 more retailers have this diamond
Prices start from $1,794 NZDSave up to $14,139 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
1.91ct Marquise
$1,794 NZD