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 $620 USD
As of October 31, 2026
Save $3,464 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,084 USD 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 October 29, 2026, with prices from $620 to $4,084, a $3,464 spread on the same certified stone. MOH London lists it at $4,084. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,084 USD|Low: $620 USD|High: $4,111 USD|Avg: $1,809 USD|-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$620 USD
Retailer 3$1,033 USD
Retailer 4$1,198 USD
Retailer 9$1,310 USD
Retailer 6$1,370 USD
Retailer 8$1,716 USD
Retailer 5$1,911 USD
Retailer 7$2,503 USD
MOH London$4,084 USD

12 data points across 9 retailers

10 retailers$620 USD to $4,084 USD

A
Cheapest Retailer
-
$620 USD
B+
Retailer 2
-
$1,033 USD
View
B+
Retailer 3
-
$1,123 USD
View
B
Retailer 4
-
$1,198 USD
View
Retailer 5
-
$1,198 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$1,370 USD
View
B
Retailer 7
-
$1,911 USD
View
B
Retailer 8
-
$2,245 USD
View
B
Retailer 9
-
$2,503 USD
View
Most Expensive
B
MOH London
LG459130446 · Oct 29
$4,084 USD
£3,216 GBP
View
9 more retailers have this diamond
Prices start from $620 USDSave up to $3,464 USD

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
$620 USD