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Marquise|Lab Grown|IGI

1.04ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG459130446

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG459130446

Diamond specifications and retailer prices

From $1,103 NZD
As of November 6, 2026
Save $3,350 NZD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,266 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.04ct lab-grown marquise diamond

This 1.04ct 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 LG459130446 or 459130446. Listed at 10 retailers as of November 4, 2026, with a 304% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.04
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459130446
Dimensions10.13 × 5.35 × 3.36 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.13 mm5.35 mm1.04 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG459130446
Side View
Table 61.0%Crown 35.8°Girdle: MED-STKPavilion 41.6°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: Nov 6
Current: $7,266 NZD|Low: $1,103 NZD|High: $7,313 NZD|Avg: $3,219 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,103 NZD
Retailer 3$1,838 NZD
Retailer 4$2,131 NZD
Retailer 9$2,329 NZD
Retailer 6$2,437 NZD
Retailer 8$3,053 NZD
Retailer 5$3,399 NZD
Retailer 7$4,453 NZD
MOH London$7,266 NZD

12 data points across 9 retailers

10 retailers$1,103 NZD to $4,453 NZD

A
Cheapest Retailer
-
$1,103 NZD
B+
Retailer 2
-
$1,838 NZD
View
B+
Retailer 3
-
$1,998 NZD
View
B
Retailer 4
-
$2,131 NZD
View
Retailer 5
-
$2,131 NZD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$2,437 NZD
View
B
Retailer 7
-
$3,399 NZD
View
B
Retailer 8
-
$3,994 NZD
View
B
Retailer 9
-
$4,453 NZD
View
Most Expensive
MOH London
LG459130446 · Oct 29
$7,266 NZD
£3,216 GBP
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from $1,103 NZDSave up to $3,350 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
1.04ct Marquise
$1,103 NZD