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Marquise|Lab Grown|IGI

1.80ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG816672824

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816672824

Diamond specifications and retailer prices

From $699 SGD
$545 USD
As of October 30, 2026
Save $5,505 SGD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,203 SGD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816672824 or 816672824. Listed at 22 retailers as of October 29, 2026, with prices from $699 to $6,203, a $5,505 spread on the same certified stone. Do Amore Diamonds lists it at $6,203. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816672824
Dimensions13.09 × 6.38 × 3.91 mm
L/W Ratio2.05
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
13.09 mm6.38 mm1.80 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816672824
Side View
Table 63.0%Crown 33.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.3%

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: $6,203 SGD|Low: $699 SGD|High: $6,203 SGD|Avg: $2,392 SGD
Do Amore Diamonds
Retailer 2
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October 30, 2026
Retailer 4$699 SGD
Retailer 7$782 SGD
Retailer 22$783 SGD
Retailer 5$866 SGD
Retailer 17$990 SGD
Retailer 18$1,038 SGD
Retailer 10$1,255 SGD
Retailer 14$1,338 SGD
Retailer 11$1,473 SGD
Retailer 2$1,497 SGD
Retailer 16$1,644 SGD
Retailer 21$2,115 SGD
Retailer 19$2,241 SGD
Retailer 6$2,516 SGD
Retailer 3$2,789 SGD
Retailer 9$2,793 SGD
Retailer 12$3,243 SGD
Retailer 8$3,280 SGD
Retailer 20$3,621 SGD
Retailer 13$4,175 SGD
Retailer 15$4,206 SGD
Do Amore Diamonds$6,203 SGD

33 data points across 22 retailers

22 retailers$699 SGD to $6,203 SGD

A
Cheapest Retailer
-
$699 SGD
$545 USD
A
Retailer 2
-
$782 SGD
$610 USD
View
Final sale: no returns
A
Retailer 3
-
$783 SGD
$611 USD
View
A
Retailer 4
-
$866 SGD
$676 USD
View
A
Retailer 5
-
$990 SGD
£608 GBP
View
A
Retailer 6
-
$1,038 SGD
$810 USD
View
A
Retailer 7
-
$1,255 SGD
$979 USD
View
A
Retailer 8
-
$1,338 SGD
$1,044 USD
View
A
Retailer 9
-
$1,473 SGD
$1,149 USD
View
A
Retailer 10
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$1,497 SGD
£919 GBP
View
A
Retailer 11
-
$1,644 SGD
ZAR 20,720 ZAR
View
A
Retailer 12
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$2,115 SGD
$1,650 USD
View
Retailer 13
-
$2,241 SGD
A$2,690 AUD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$2,516 SGD
$1,963 USD
View
B+
Retailer 15
-
$2,789 SGD
$2,176 USD
View
B+
Retailer 16
-
$2,793 SGD
£1,716 GBP
View
B+
Retailer 17
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$3,243 SGD
$2,530 USD
View
B+
Retailer 18
-
$3,280 SGD
View
B+
Retailer 19
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$3,621 SGD
$2,825 USD
View
B+
Retailer 20
-
$4,175 SGD
£2,565 GBP
View
Retailer 21
-
$4,206 SGD
A$5,049 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Do Amore Diamonds
27-E0EB2547A · Oct 29
$6,203 SGD
$4,840 USD
View
21 more retailers have this diamond
Prices start from $699 SGDSave up to $5,505 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
$699 SGD