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Marquise|Lab Grown|IGI

1.22ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG790611808

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611808

Diamond specifications and retailer prices

From $428 SGD
As of November 4, 2026
Save $2,701 SGD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,129 SGD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611808 or 790611808. Listed at 22 retailers as of November 4, 2026, with prices from $428 to $3,129, a $2,701 spread on the same certified stone. Brilliant Earth lists it at $3,129. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611808
Dimensions11.10 × 5.54 × 3.47 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
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
11.10 mm5.54 mm1.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611808
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

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: $3,129 SGD|Low: $428 SGD|High: $4,190 SGD|Avg: $1,418 SGD|-25.3%
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 15$428 SGD
Retailer 10$478 SGD
Retailer 5$496 SGD
Retailer 4$530 SGD
Retailer 21$530 SGD
Retailer 6$588 SGD
Retailer 17$728 SGD
Retailer 9$842 SGD
Retailer 18$855 SGD
Retailer 11$857 SGD
Retailer 16$913 SGD
Retailer 2$934 SGD
Retailer 3$1,033 SGD
Retailer 22$1,554 SGD
Retailer 14$1,694 SGD
Retailer 20$1,704 SGD
Retailer 8$1,759 SGD
Retailer 7$2,063 SGD
Retailer 12$2,073 SGD
Retailer 13$2,118 SGD
Retailer 19$3,072 SGD
Brilliant Earth$3,129 SGD

39 data points across 22 retailers

22 retailers$428 SGD to $3,129 SGD

A+
Cheapest Retailer
-
$428 SGD
A
Retailer 2
-
$478 SGD
View
Final sale: no returns
A
Retailer 3
-
$496 SGD
View
Retailer 4
-
$530 SGD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$530 SGD
View
A
Retailer 6
-
$588 SGD
View
A
Retailer 7
-
$728 SGD
View
A
Retailer 8
-
$842 SGD
View
Retailer 9
-
$855 SGD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$857 SGD
View
A
Retailer 11
-
$913 SGD
View
A
Retailer 12
-
$934 SGD
View
B+
Retailer 13
-
$1,033 SGD
View
B
Retailer 14
-
$1,554 SGD
View
B+
Retailer 15
-
$1,694 SGD
View
B+
Retailer 16
-
$1,704 SGD
View
B
Retailer 17
-
$1,759 SGD
View
B
Retailer 18
-
$2,063 SGD
View
B
Retailer 19
-
$2,073 SGD
View
B
Retailer 20
-
$2,118 SGD
View
Retailer 21
-
$3,072 SGD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
19074408A · Nov 4
$3,129 SGD
$2,450 USD
View
21 more retailers have this diamond
Prices start from $428 SGDSave up to $2,701 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+
1.22ct Marquise
$428 SGD