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Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG625448677

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG625448677

Diamond specifications and retailer prices

From $437 SGD
As of November 4, 2026
Save $2,170 SGD (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,607 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG625448677 or 625448677. Listed at 25 retailers as of November 4, 2026, with prices from $437 to $2,607, a $2,170 spread on the same certified stone. Brilliant Earth lists it at $2,607. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625448677
Dimensions11.47 × 5.44 × 3.40 mm
L/W Ratio2.11
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
11.47 mm5.44 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625448677
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.5%

Caratlytics Score

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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: Nov 4
Current: $2,607 SGD|Low: $437 SGD|High: $3,374 SGD|Avg: $1,463 SGD|-22.7%
Brilliant Earth
Retailer 2
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Retailer 25
November 5, 2026
Retailer 23$437 SGD
Retailer 22$488 SGD
Retailer 6$506 SGD
Retailer 2$542 SGD
Retailer 21$621 SGD
Retailer 20$709 SGD
Retailer 3$767 SGD
Retailer 13$961 SGD
Retailer 17$995 SGD
Retailer 18$1,084 SGD
Retailer 12$1,090 SGD
Retailer 10$1,219 SGD
Retailer 8$1,234 SGD
Retailer 14$1,335 SGD
Retailer 25$1,587 SGD
Retailer 24$1,740 SGD
Retailer 9$1,794 SGD
Retailer 5$1,820 SGD
Retailer 16$1,949 SGD
Retailer 7$2,071 SGD
Retailer 4$2,102 SGD
Retailer 19$2,162 SGD
Retailer 11$2,321 SGD
Retailer 15$2,429 SGD
Brilliant Earth$2,607 SGD

28 data points across 25 retailers

25 retailers$437 SGD to $2,607 SGD

A
Cheapest Retailer
-
$437 SGD
A
Retailer 2
-
$488 SGD
View
Final sale: no returns
A
Retailer 3
-
$506 SGD
View
A
Retailer 4
-
$542 SGD
View
A
Retailer 5
-
$621 SGD
View
A
Retailer 6
-
$709 SGD
View
A
Retailer 7
-
$767 SGD
View
A
Retailer 8
-
$961 SGD
View
B+
Retailer 9
-
$995 SGD
View
B+
Retailer 10
-
$1,084 SGD
View
B+
Retailer 11
-
$1,090 SGD
View
B+
Retailer 12
-
$1,219 SGD
View
B+
Retailer 13
-
$1,234 SGD
View
B+
Retailer 14
-
$1,335 SGD
View
B+
Retailer 15
-
$1,587 SGD
View
B
Retailer 16
-
$1,740 SGD
View
B
Retailer 17
-
$1,794 SGD
View
B
Retailer 18
-
$1,820 SGD
View
Retailer 19
-
$1,949 SGD
View
Price last confirmed 8 days ago
B
Retailer 20
-
$2,071 SGD
View
B
Retailer 21
-
$2,102 SGD
View
B
Retailer 22
-
$2,162 SGD
View
B
Retailer 23
-
$2,321 SGD
View
B
Retailer 24
-
$2,429 SGD
View
Most Expensive
B
Brilliant Earth
9771282A · Nov 4
$2,607 SGD
$2,040 USD
View
24 more retailers have this diamond
Prices start from $437 SGDSave up to $2,170 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
$437 SGD