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Marquise|Lab Grown|IGI

1.29ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662311

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662311

Diamond specifications and retailer prices

From $908 NZD
As of November 4, 2026
Save $4,116 NZD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,024 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.29ct lab-grown marquise diamond

This 1.29ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662311 or 780662311. Listed at 14 retailers as of October 29, 2026, with prices from $908 to $5,024, a $4,116 spread on the same certified stone. MOH London lists it at $5,024. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662311
Dimensions11.05 × 5.73 × 3.57 mm
L/W Ratio1.93
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
11.05 mm5.73 mm1.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662311
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,024 NZD|Low: $908 NZD|High: $6,333 NZD|Avg: $2,946 NZD|-15.8%
MOH London
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
November 4, 2026
Retailer 2$908 NZD
Retailer 8$1,118 NZD
Retailer 9$1,410 NZD
Retailer 5$1,566 NZD
Retailer 6$1,707 NZD
Retailer 11$1,811 NZD
Retailer 14$1,840 NZD
Retailer 13$2,063 NZD
Retailer 3$2,108 NZD
Retailer 12$2,615 NZD
Retailer 10$3,041 NZD
Retailer 7$4,311 NZD
Retailer 4$4,550 NZD
MOH London$5,024 NZD

39 data points across 14 retailers

14 retailers$908 NZD to $5,024 NZD

A
Cheapest Retailer
-
$908 NZD
A
Retailer 2
-
$1,118 NZD
View
A
Retailer 3
-
$1,410 NZD
View
A
Retailer 4
-
$1,566 NZD
View
B+
Retailer 5
-
$1,707 NZD
View
A
Retailer 6
-
$1,811 NZD
View
A
Retailer 7
-
$1,840 NZD
View
B+
Retailer 8
-
$2,063 NZD
View
B+
Retailer 9
-
$2,108 NZD
View
B+
Retailer 10
-
$2,615 NZD
View
B+
Retailer 11
-
$3,041 NZD
View
B
Retailer 12
-
$4,311 NZD
View
Retailer 13
-
$4,550 NZD
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
LG780662311 · Oct 29
$5,024 NZD
£2,230 GBP
View
13 more retailers have this diamond
Prices start from $908 NZDSave up to $4,116 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
1.29ct Marquise
$908 NZD