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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG825687968

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825687968

Diamond specifications and retailer prices

From $354 SGD
As of November 4, 2026
Save $1,486 SGD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,938 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown marquise diamond

This 1.2ct 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 LG825687968 or 825687968. Listed at 23 retailers as of November 4, 2026, with a 420% 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

1.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825687968
Dimensions11.19 × 5.42 × 3.48 mm
L/W Ratio2.06
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
11.19 mm5.42 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825687968
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.2%

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: $765 SGD|Low: $340 SGD|High: $2,165 SGD|Avg: $1,040 SGD|-10.9%
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Retailer 22
November 5, 2026
Retailer 4$354 SGD
Retailer 13$395 SGD
Retailer 3$411 SGD
Retailer 9$440 SGD
Retailer 15$440 SGD
Retailer 20$491 SGD
Retailer 18$603 SGD
Retailer 19$639 SGD
Retailer 21$721 SGD
Retailer 17$758 SGD
Retailer 1$765 SGD
Retailer 11$980 SGD
Retailer 16$1,077 SGD
Retailer 2$1,351 SGD
Retailer 7$1,411 SGD
Retailer 8$1,413 SGD
Retailer 10$1,477 SGD
Retailer 6$1,558 SGD
Retailer 12$1,756 SGD
Retailer 14$1,840 SGD
Retailer 22$1,872 SGD
Retailer 5$2,156 SGD

42 data points across 22 retailers

23 retailers$354 SGD to $1,840 SGD

A
Cheapest Retailer
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$354 SGD
A
Retailer 2
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$395 SGD
View
Final sale: no returns
A
Retailer 3
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$411 SGD
View
Retailer 4
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$440 SGD
View
Price last confirmed 11 days ago
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Retailer 5
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$440 SGD
View
A
Retailer 6
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$491 SGD
View
A
Retailer 7
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$603 SGD
View
A
Retailer 8
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$639 SGD
View
Retailer 9
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$721 SGD
View
Price last confirmed 11 days ago
A
Retailer 10
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$758 SGD
View
A
Retailer 11
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$765 SGD
View
B+
Retailer 12
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$980 SGD
View
B+
Retailer 13
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$1,077 SGD
View
B+
Retailer 14
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$1,351 SGD
View
B+
Retailer 15
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$1,411 SGD
View
B+
Retailer 16
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$1,413 SGD
View
B+
Retailer 17
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$1,477 SGD
View
B+
Retailer 18
-
$1,558 SGD
View
B+
Retailer 19
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$1,756 SGD
View
B
Retailer 20
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$1,840 SGD
View
Retailer 21
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$1,872 SGD
View
Price last confirmed 8 days ago
Retailer 22
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$2,156 SGD
View
Price last confirmed 28 days ago
Most Expensive
Queensmith
LG825687968 · Oct 27
$2,938 SGD
£1,810 GBP
View
Price last confirmed 8 days ago
22 more retailers have this diamond
Prices start from $354 SGDSave up to $1,486 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
1.20ct Marquise
$354 SGD