Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG791653600

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791653600

Diamond specifications and retailer prices

From $300 SGD
As of November 5, 2026
Save $2,293 SGD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,257 SGD at Brilliant Earth · As of October 24, 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 LG791653600 or 791653600. Listed at 25 retailers as of November 4, 2026, with a 764% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791653600
Dimensions10.38 × 5.38 × 3.32 mm
L/W Ratio1.93
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
10.38 mm5.38 mm1.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791653600
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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 5
Current: $1,839 SGD|Low: $298 SGD|High: $2,593 SGD|Avg: $819 SGD
Brilliant Earth
Retailer 2
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Retailer 23
November 5, 2026
Retailer 15$298 SGD
Retailer 7$300 SGD
Retailer 14$313 SGD
Retailer 5$335 SGD
Retailer 10$335 SGD
Retailer 2$377 SGD
Retailer 18$475 SGD
Retailer 6$506 SGD
Retailer 4$589 SGD
Retailer 17$636 SGD
Retailer 22$636 SGD
Retailer 13$688 SGD
Retailer 9$700 SGD
Retailer 21$899 SGD
Retailer 23$1,078 SGD
Retailer 8$1,185 SGD
Retailer 12$1,212 SGD
Retailer 16$1,252 SGD
Retailer 19$1,485 SGD
Retailer 11$1,569 SGD
Retailer 20$1,616 SGD
Brilliant Earth$1,839 SGD
Retailer 3$2,593 SGD

29 data points across 23 retailers

25 retailers$300 SGD to $2,593 SGD

Retailer 1
-
$298 SGD
Price last confirmed 15 days ago
A
Retailer 2
-
$300 SGD
View
Final sale: no returns
A
Retailer 3
-
$313 SGD
View
Retailer 4
-
$335 SGD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$335 SGD
View
A
Retailer 6
-
$377 SGD
View
A
Retailer 7
-
$475 SGD
View
A
Retailer 8
-
$506 SGD
View
A
Retailer 9
-
$589 SGD
View
A
Retailer 10
-
$636 SGD
View
A
Retailer 11
-
$636 SGD
View
A
Retailer 12
-
$688 SGD
View
Retailer 13
-
$700 SGD
View
Price last confirmed 11 days ago
Retailer 14
-
$899 SGD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$1,078 SGD
View
B+
Retailer 16
-
$1,185 SGD
View
B+
Retailer 17
-
$1,212 SGD
View
B+
Retailer 18
-
$1,252 SGD
View
Retailer 19
-
$1,485 SGD
View
Price last confirmed 7 days ago
B+
Retailer 20
-
$1,569 SGD
View
Retailer 21
-
$1,616 SGD
View
Price last confirmed 8 days ago
B+
Retailer 22
-
$1,839 SGD
View
Retailer 23
-
$2,514 SGD
View
Price last confirmed 9 days ago
B
Retailer 24
-
$2,593 SGD
View
Most Expensive
Brilliant Earth
18897939A · Oct 24
$3,257 SGD
$2,550 USD
View
Price last confirmed 11 days ago
24 more retailers have this diamond
Prices start from $300 SGDSave up to $2,293 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
$300 SGD