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Marquise|Lab Grown|IGI

1.65ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG828668635

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828668635

Diamond specifications and retailer prices

From $329 SGD
$257 USD
As of October 27, 2026
Save $1,555 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,884 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.65ct lab-grown marquise diamond

This 1.65ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828668635 or 828668635. Listed at 14 retailers as of October 27, 2026, with prices from $329 to $1,884, a $1,555 spread on the same certified stone. Brilliant Earth lists it at $1,884. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828668635
Dimensions11.60 × 6.15 × 3.93 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm6.15 mm1.65 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828668635
Side View
Table 61.0%Crown 37.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.9%

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 27
Current: $1,884 SGD|Low: $329 SGD|High: $2,025 SGD|Avg: $1,261 SGD|-7.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 11$329 SGD
Retailer 9$382 SGD
Retailer 4$503 SGD
Retailer 6$615 SGD
Retailer 8$674 SGD
Retailer 7$953 SGD
Retailer 10$1,256 SGD
Retailer 3$1,314 SGD
Retailer 13$1,493 SGD
Retailer 2$1,647 SGD
Retailer 5$1,721 SGD
Retailer 12$1,756 SGD
Brilliant Earth$1,884 SGD

28 data points across 13 retailers

14 retailers$329 SGD to $1,884 SGD

A
Cheapest Retailer
-
$329 SGD
$257 USD
A
Retailer 2
-
$382 SGD
$298 USD
View
Retailer 3
-
$503 SGD
£309 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
$615 SGD
$480 USD
View
A
Retailer 5
-
$674 SGD
€501 EUR
View
B+
Retailer 6
-
$948 SGD
$740 USD
View
A
Retailer 7
-
$953 SGD
A$1,144 AUD
View
B+
Retailer 8
-
$1,256 SGD
$980 USD
View
B+
Retailer 9
-
$1,314 SGD
$1,025 USD
View
B+
Retailer 10
-
$1,493 SGD
$1,165 USD
View
B
Retailer 11
-
$1,647 SGD
£1,012 GBP
View
Retailer 12
-
$1,721 SGD
View
Price last confirmed 17 days ago
B
Retailer 13
-
$1,756 SGD
$1,370 USD
View
Most Expensive
B
Brilliant Earth
21084397A · Oct 28
$1,884 SGD
$1,470 USD
View
13 more retailers have this diamond
Prices start from $329 SGDSave up to $1,555 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
1.65ct Marquise
$329 SGD