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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG840610892

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840610892

Diamond specifications and retailer prices

From $202 USD
As of October 27, 2026
Save $834 USD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,036 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840610892 or 840610892. Listed at 10 retailers as of October 26, 2026, with prices from $202 to $1,036, a $834 spread on the same certified stone. MOH London lists it at $1,036. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840610892
Dimensions10.53 × 5.38 × 3.17 mm
L/W Ratio1.96
Girdle conditionFaceted
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
10.53 mm5.38 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840610892
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $1,036 USD|Low: $202 USD|High: $1,076 USD|Avg: $520 USD|-3.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7$202 USD
Retailer 5$234 USD
Retailer 6$259 USD
Retailer 4$435 USD
Retailer 2$488 USD
Retailer 10$504 USD
Retailer 8$612 USD
Retailer 9$688 USD
Retailer 3$805 USD
MOH London$1,036 USD

31 data points across 10 retailers

10 retailers$202 USD to $1,036 USD

A+
Cheapest Retailer
-
$202 USD
Returns within 21 days
A
Retailer 2
-
$234 USD
View
A
Retailer 3
-
$259 USD
£204 GBP
View
Returns within 30 days
A
Retailer 4
-
$435 USD
View
Returns within 30 days
A
Retailer 5
-
$488 USD
View
Returns within 30 days
A
Retailer 6
-
$504 USD
€480 EUR
View
Returns within 100 days
A
Retailer 7
-
$612 USD
A$942 AUD
View
B+
Retailer 8
-
$688 USD
View
Returns within 30 days
B+
Retailer 9
-
$805 USD
View
Returns within 30 days
Most Expensive
B+
MOH London
LG840610892 · Oct 26
$1,036 USD
£816 GBP
View
9 more retailers have this diamond
Prices start from $202 USDSave up to $834 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+
1.03ct Marquise
$202 USD