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Marquise|Lab Grown|IGI

1.65ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG841645315

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841645315

Diamond specifications and retailer prices

From $329 SGD
$257 USD
As of October 23, 2026
Save $1,427 SGD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,756 SGD at With Clarity · As of October 27, 2026
View at With Clarity

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 LG841645315 or 841645315. Listed at 15 retailers as of October 23, 2026, with prices from $329 to $1,756, a $1,427 spread on the same certified stone. With Clarity lists it at $1,756. 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 angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841645315
Dimensions12.58 × 5.97 × 3.79 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.58 mm5.97 mm1.65 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841645315
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.5%

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 23
Current: $615 SGD|Low: $329 SGD|High: $1,851 SGD|Avg: $1,132 SGD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
October 28, 2026
Retailer 13$329 SGD
Retailer 10$382 SGD
Retailer 6$479 SGD
Retailer 1$615 SGD
Retailer 7$674 SGD
Retailer 4$848 SGD
Retailer 9$960 SGD
Retailer 11$1,256 SGD
Retailer 3$1,314 SGD
Retailer 12$1,487 SGD
Retailer 2$1,493 SGD
Retailer 8$1,641 SGD
Retailer 5$1,721 SGD
With Clarity$1,756 SGD

21 data points across 14 retailers

15 retailers$329 SGD to $1,756 SGD

A
Cheapest Retailer
-
$329 SGD
$257 USD
A
Retailer 2
-
$382 SGD
$298 USD
View
A
Retailer 3
-
$479 SGD
£294 GBP
View
A
Retailer 4
-
$615 SGD
$480 USD
View
A
Retailer 5
-
$674 SGD
€501 EUR
View
A
Retailer 6
-
$848 SGD
$662 USD
View
Retailer 7
-
$948 SGD
$740 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$960 SGD
A$1,152 AUD
View
B+
Retailer 9
-
$1,256 SGD
$980 USD
View
B+
Retailer 10
-
$1,314 SGD
$1,025 USD
View
Retailer 11
-
$1,487 SGD
$1,160 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$1,493 SGD
$1,165 USD
View
B
Retailer 13
-
$1,641 SGD
£1,008 GBP
View
Retailer 14
-
$1,721 SGD
View
Price last confirmed 16 days ago
Most Expensive
B
With Clarity
841645315 · Oct 27
$1,756 SGD
$1,370 USD
View
14 more retailers have this diamond
Prices start from $329 SGDSave up to $1,427 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