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Marquise|Lab Grown|IGI

1.81ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG641494144

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG641494144

Diamond specifications and retailer prices

From $732 SGD
$571 USD
As of October 30, 2026
Save $5,766 SGD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,498 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.81ct lab-grown marquise diamond

This 1.81ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG641494144 or 641494144. Listed at 23 retailers as of October 29, 2026, with prices from $732 to $6,498, a $5,766 spread on the same certified stone. Do Amore Diamonds lists it at $6,498. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641494144
Dimensions12.58 × 6.34 × 3.97 mm
L/W Ratio1.98
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
12.58 mm6.34 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641494144
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 62.6%

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: Oct 30
Current: $6,498 SGD|Low: $732 SGD|High: $8,549 SGD|Avg: $2,853 SGD|-24.0%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 30, 2026
Retailer 6$732 SGD
Retailer 8$818 SGD
Retailer 21$820 SGD
Retailer 18$907 SGD
Retailer 16$1,077 SGD
Retailer 7$1,181 SGD
Retailer 5$1,197 SGD
Retailer 17$1,398 SGD
Retailer 22$1,494 SGD
Retailer 2$1,570 SGD
Retailer 13$1,722 SGD
Retailer 11$2,252 SGD
Retailer 19$2,635 SGD
Retailer 4$2,910 SGD
Retailer 9$2,921 SGD
Retailer 10$3,026 SGD
Retailer 14$3,065 SGD
Retailer 3$3,384 SGD
Retailer 12$3,421 SGD
Retailer 15$3,640 SGD
Retailer 20$3,952 SGD
Do Amore Diamonds$6,498 SGD

38 data points across 22 retailers

23 retailers$732 SGD to $6,498 SGD

A
Cheapest Retailer
-
$732 SGD
$571 USD
A
Retailer 2
-
$818 SGD
$638 USD
View
Final sale: no returns
A
Retailer 3
-
$820 SGD
$640 USD
View
A
Retailer 4
-
$907 SGD
$708 USD
View
A
Retailer 5
-
$1,077 SGD
$840 USD
View
Retailer 6
-
$1,116 SGD
$871 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$1,181 SGD
HK$7,200 HKD
View
A
Retailer 8
-
$1,197 SGD
$934 USD
View
A
Retailer 9
-
$1,398 SGD
$1,091 USD
View
A
Retailer 10
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$1,494 SGD
$1,166 USD
View
A
Retailer 11
-
$1,570 SGD
£965 GBP
View
A
Retailer 12
-
$1,722 SGD
ZAR 21,699 ZAR
View
A
Retailer 13
-
$2,252 SGD
$1,757 USD
View
B+
Retailer 14
-
$2,635 SGD
$2,056 USD
View
B+
Retailer 15
-
$2,910 SGD
£1,788 GBP
View
B+
Retailer 16
-
$2,921 SGD
$2,279 USD
View
B+
Retailer 17
-
$3,026 SGD
$2,361 USD
View
Retailer 18
-
$3,065 SGD
A$3,679 AUD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
$3,384 SGD
$2,640 USD
View
B+
Retailer 20
-
$3,421 SGD
View
B+
Retailer 21
-
$3,640 SGD
$2,840 USD
View
B+
Retailer 22
-
$3,952 SGD
£2,428 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F4AD76964 · Oct 29
$6,498 SGD
$5,070 USD
View
22 more retailers have this diamond
Prices start from $732 SGDSave up to $5,766 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
1.81ct Marquise
$732 SGD