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Marquise|Lab Grown|IGI

1.80ct D IF Marquise Lab Grown Diamond

D/IF • IGI LG768631844

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768631844

Diamond specifications and retailer prices

From $911 SGD
$713 USD
As of November 2, 2026
Save $7,181 SGD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,092 SGD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown marquise diamond

This 1.8ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG768631844 or 768631844. Listed at 17 retailers as of November 1, 2026, with prices from $911 to $8,092, a $7,181 spread on the same certified stone. Do Amore Diamonds lists it at $8,092. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.80
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631844
Dimensions12.48 × 6.39 × 3.98 mm
L/W Ratio1.95
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
12.48 mm6.39 mm1.80 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631844
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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 2
Current: $8,092 SGD|Low: $892 SGD|High: $8,527 SGD|Avg: $2,884 SGD|-5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 14$911 SGD
Retailer 4$991 SGD
Retailer 9$1,089 SGD
Retailer 16$1,263 SGD
Retailer 6$1,304 SGD
Retailer 8$1,538 SGD
Retailer 15$1,716 SGD
Retailer 13$1,902 SGD
Retailer 7$1,910 SGD
Retailer 17$2,603 SGD
Retailer 11$2,904 SGD
Retailer 5$3,099 SGD
Retailer 3$3,279 SGD
Retailer 2$4,372 SGD
Retailer 12$4,385 SGD
Retailer 10$5,923 SGD
Do Amore Diamonds$8,092 SGD

34 data points across 17 retailers

17 retailers$911 SGD to $8,092 SGD

A
Cheapest Retailer
-
$911 SGD
$713 USD
A
Retailer 2
-
$991 SGD
$775 USD
View
A
Retailer 3
-
$1,089 SGD
$852 USD
View
Final sale: no returns
A
Retailer 4
-
$1,263 SGD
$988 USD
View
A
Retailer 5
-
$1,304 SGD
$1,020 USD
View
A
Retailer 6
-
$1,538 SGD
$1,203 USD
View
A
Retailer 7
-
$1,716 SGD
$1,342 USD
View
A
Retailer 8
-
$1,902 SGD
€1,417 EUR
View
A
Retailer 9
-
$1,910 SGD
A$2,298 AUD
View
B+
Retailer 10
-
$2,603 SGD
$2,036 USD
View
B+
Retailer 11
-
$2,904 SGD
A$3,495 AUD
View
B
Retailer 12
-
$3,099 SGD
$2,424 USD
View
B+
Retailer 13
-
$3,279 SGD
$2,565 USD
View
B
Retailer 14
-
$4,372 SGD
£2,693 GBP
View
B
Retailer 15
-
$4,385 SGD
$3,430 USD
View
B
Retailer 16
-
$5,923 SGD
A$7,128 AUD
View
Most Expensive
B
Do Amore Diamonds
27-745D341DE · Nov 1
$8,092 SGD
$6,330 USD
View
16 more retailers have this diamond
Prices start from $911 SGDSave up to $7,181 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
1.80ct Marquise
$911 SGD