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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG819697916

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819697916

Diamond specifications and retailer prices

From $258 SGD
As of November 4, 2026
Save $1,594 SGD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,852 SGD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG819697916 or 819697916. Listed at 12 retailers as of November 3, 2026, with prices from $258 to $1,852, a $1,594 spread on the same certified stone. Brilliant Earth lists it at $1,852. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819697916
Dimensions10.45 × 5.52 × 3.34 mm
L/W Ratio1.89
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
10.45 mm5.52 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819697916
Side View
Table 57.0%Crown 31.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: $1,852 SGD|Low: $258 SGD|High: $3,359 SGD|Avg: $966 SGD|-44.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 10$258 SGD
Retailer 9$299 SGD
Retailer 8$556 SGD
Retailer 6$623 SGD
Retailer 11$628 SGD
Retailer 4$780 SGD
Retailer 7$1,028 SGD
Retailer 2$1,032 SGD
Retailer 5$1,494 SGD
Retailer 3$1,648 SGD
Brilliant Earth$1,852 SGD

31 data points across 11 retailers

12 retailers$258 SGD to $1,852 SGD

A+
Cheapest Retailer
-
$258 SGD
A
Retailer 2
-
$299 SGD
View
A
Retailer 3
-
$556 SGD
View
A
Retailer 4
-
$623 SGD
View
Retailer 5
-
$628 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$780 SGD
View
B+
Retailer 7
-
$855 SGD
View
B+
Retailer 8
-
$1,028 SGD
View
B+
Retailer 9
-
$1,032 SGD
View
B
Retailer 10
-
$1,494 SGD
View
Retailer 11
-
$1,648 SGD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20983902A · Nov 3
$1,852 SGD
$1,450 USD
View
11 more retailers have this diamond
Prices start from $258 SGDSave up to $1,594 SGD

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+
1.05ct Marquise
$258 SGD