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Marquise|Lab Grown|IGI

1.65ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG820604760

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG820604760

Diamond specifications and retailer prices

From $632 SGD
$494 USD
As of October 29, 2026
Save $2,335 SGD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,309 SGD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG820604760 or 820604760. Listed at 15 retailers as of October 29, 2026, with a 370% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG820604760
Dimensions12.55 × 6.04 × 3.65 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.55 mm6.04 mm1.65 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG820604760
Side View
Table 62.0%Crown 39.7°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 60.4%

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 29
Current: $1,098 SGD|Low: $632 SGD|High: $3,048 SGD|Avg: $1,700 SGD|-4.0%
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
Retailer 14
October 30, 2026
Retailer 14$632 SGD
Retailer 13$882 SGD
Retailer 1$1,098 SGD
Retailer 7$1,156 SGD
Retailer 4$1,209 SGD
Retailer 12$1,222 SGD
Retailer 10$1,584 SGD
Retailer 9$1,630 SGD
Retailer 5$1,902 SGD
Retailer 8$2,276 SGD
Retailer 11$2,292 SGD
Retailer 2$2,585 SGD
Retailer 6$2,737 SGD
Retailer 3$2,967 SGD

21 data points across 14 retailers

15 retailers$632 SGD to $2,967 SGD

A
Cheapest Retailer
-
$632 SGD
$494 USD
Final sale: no returns
A
Retailer 2
-
$882 SGD
$690 USD
View
A
Retailer 3
-
$1,098 SGD
$859 USD
View
A
Retailer 4
-
$1,156 SGD
£712 GBP
View
A
Retailer 5
-
$1,209 SGD
ZAR 15,283 ZAR
View
A
Retailer 6
-
$1,222 SGD
€910 EUR
View
A
Retailer 7
-
$1,584 SGD
$1,239 USD
View
A
Retailer 8
-
$1,630 SGD
A$1,961 AUD
View
A
Retailer 9
-
$1,902 SGD
$1,488 USD
View
A
Retailer 10
-
$2,276 SGD
$1,780 USD
View
A
Retailer 11
-
$2,292 SGD
$1,793 USD
View
B+
Retailer 12
-
$2,585 SGD
£1,592 GBP
View
B+
Retailer 13
-
$2,737 SGD
$2,141 USD
View
B+
Retailer 14
-
$2,967 SGD
View
Most Expensive
Novita Diamonds
cert_820604760 · Oct 8
$3,309 SGD
A$3,982 AUD
View
Price last confirmed 22 days ago
14 more retailers have this diamond
Prices start from $632 SGDSave up to $2,335 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
$632 SGD