CaratHunter
Plans
Marquise|Lab Grown|IGI

1.00ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG436047370

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047370

Diamond specifications and retailer prices

From $1,067 NZD
As of November 6, 2026
Save $5,889 NZD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,956 NZD at MOH London · As of November 3, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047370 or 436047370. Listed at 11 retailers as of November 3, 2026, with prices from $1,067 to $6,956, a $5,889 spread on the same certified stone. MOH London lists it at $6,956. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.2°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047370
Dimensions9.63 × 5.35 × 3.21 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.63 mm5.35 mm1.00 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047370
Side View
Table 54.5%Crown 34.2°Girdle: STK-VTKPavilion 38.5°Culet: NoneDepth 60.0%

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: $6,956 NZD|Low: $1,067 NZD|High: $7,049 NZD|Avg: $3,370 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 2$1,067 NZD
Retailer 4$1,768 NZD
Retailer 7$1,980 NZD
Retailer 5$2,051 NZD
Retailer 8$2,366 NZD
Retailer 9$2,953 NZD
Retailer 6$3,277 NZD
Retailer 3$4,421 NZD
Retailer 10$5,874 NZD
MOH London$6,956 NZD

16 data points across 10 retailers

11 retailers$1,067 NZD to $6,956 NZD

A
Cheapest Retailer
-
$1,067 NZD
B+
Retailer 2
-
$1,768 NZD
View
B+
Retailer 3
-
$1,923 NZD
View
B
Retailer 4
-
$1,980 NZD
View
Final sale: no returns
Retailer 5
-
$2,051 NZD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$2,051 NZD
View
B
Retailer 7
-
$2,366 NZD
View
B
Retailer 8
-
$3,277 NZD
View
B
Retailer 9
-
$3,844 NZD
View
B
Retailer 10
-
$4,421 NZD
View
Most Expensive
B
MOH London
LG436047370 · Nov 3
$6,956 NZD
£3,079 GBP
View
10 more retailers have this diamond
Prices start from $1,067 NZDSave up to $5,889 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
$1,067 NZD