Marquise|Lab Grown|IGI

1.31ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784645166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645166

Diamond specifications and retailer prices

From $546 NZD
As of November 4, 2026
Save $4,297 NZD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,843 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.31ct lab-grown marquise diamond

This 1.31ct 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 LG784645166 or 784645166. Listed at 15 retailers as of November 4, 2026, with prices from $546 to $4,843, a $4,297 spread on the same certified stone. Do Amore Diamonds lists it at $4,843. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645166
Dimensions11.09 × 5.73 × 3.59 mm
L/W Ratio1.94
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
11.09 mm5.73 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645166
Side View
Table 58.0%Crown 34.6°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A+
Exceptional
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: $4,843 NZD|Low: $546 NZD|High: $6,085 NZD|Avg: $2,151 NZD|-11.9%
Do Amore Diamonds
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
November 1, 2026
Retailer 11$546 NZD
Retailer 3$633 NZD
Retailer 7$692 NZD
Retailer 12$962 NZD
Retailer 5$993 NZD
Retailer 14$1,103 NZD
Retailer 9$1,270 NZD
Retailer 6$1,281 NZD
Retailer 10$1,439 NZD
Retailer 13$2,079 NZD
Retailer 15$2,400 NZD
Retailer 2$2,991 NZD
Retailer 4$4,000 NZD
Retailer 8$4,045 NZD
Do Amore Diamonds$4,843 NZD

27 data points across 15 retailers

15 retailers$546 NZD to $4,843 NZD

A+
Cheapest Retailer
-
$546 NZD
A
Retailer 2
-
$633 NZD
View
A
Retailer 3
-
$692 NZD
View
Final sale: no returns
A
Retailer 4
-
$962 NZD
View
A
Retailer 5
-
$993 NZD
View
A
Retailer 6
-
$1,103 NZD
View
A
Retailer 7
-
$1,270 NZD
View
A
Retailer 8
-
$1,281 NZD
View
A
Retailer 9
-
$1,439 NZD
View
B+
Retailer 10
-
$2,079 NZD
View
B+
Retailer 11
-
$2,400 NZD
View
B+
Retailer 12
-
$2,991 NZD
View
Retailer 13
-
$4,000 NZD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$4,045 NZD
View
Most Expensive
B
Do Amore Diamonds
27-03DF28AEE · Nov 4
$4,843 NZD
$2,730 USD
View
14 more retailers have this diamond
Prices start from $546 NZDSave up to $4,297 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+
1.31ct Marquise
$546 NZD