Marquise|Lab Grown|IGI

1.00ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG766628129

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG766628129

Diamond specifications and retailer prices

From $536 NZD
As of November 6, 2026
Save $1,020 NZD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,556 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766628129 or 766628129. Listed at 7 retailers as of November 2, 2026, with prices from $536 to $1,556, a $1,020 spread on the same certified stone. MOH London lists it at $1,556. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766628129
Dimensions10.63 × 5.14 × 3.22 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.63 mm5.14 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766628129
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 41°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 6
Current: $1,556 NZD|Low: $536 NZD|High: $1,574 NZD|Avg: $798 NZD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 6$536 NZD
Retailer 2$570 NZD
Retailer 5$612 NZD
Retailer 3$631 NZD
Retailer 4$907 NZD
MOH London$1,556 NZD

33 data points across 6 retailers

7 retailers$536 NZD to $1,556 NZD

A
Cheapest Retailer
-
$536 NZD
A
Retailer 2
-
$570 NZD
View
A
Retailer 3
-
$612 NZD
View
A
Retailer 4
-
$631 NZD
View
B+
Retailer 5
-
$907 NZD
View
B
Retailer 6
-
$1,169 NZD
View
Most Expensive
B
MOH London
LG766628129 · Nov 2
$1,556 NZD
£679 GBP
View
6 more retailers have this diamond
Prices start from $536 NZDSave up to $1,020 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
$536 NZD