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Marquise|Lab Grown|IGI

1.61ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG817610778

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817610778

Diamond specifications and retailer prices

From $816 SGD
$638 USD
As of November 1, 2026
Save $3,851 SGD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,666 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown marquise diamond

This 1.61ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817610778 or 817610778. Listed at 19 retailers as of October 31, 2026, with prices from $816 to $4,666, a $3,851 spread on the same certified stone. Brilliant Earth lists it at $4,666. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817610778
Dimensions11.81 × 6.07 × 3.74 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.81 mm6.07 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817610778
Side View
Table 58.0%Crown 38.8°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 61.6%

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: Nov 1
Current: $4,666 SGD|Low: $816 SGD|High: $4,820 SGD|Avg: $2,081 SGD|-3.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 13$816 SGD
Retailer 4$818 SGD
Retailer 15$1,074 SGD
Retailer 14$1,217 SGD
Retailer 16$1,281 SGD
Retailer 9$1,329 SGD
Retailer 12$1,417 SGD
Retailer 18$1,566 SGD
Retailer 8$1,573 SGD
Retailer 6$2,122 SGD
Retailer 5$2,261 SGD
Retailer 11$2,669 SGD
Retailer 7$2,772 SGD
Retailer 2$2,855 SGD
Retailer 19$2,939 SGD
Retailer 17$2,997 SGD
Retailer 10$3,994 SGD
Retailer 3$4,616 SGD
Brilliant Earth$4,666 SGD

19 data points across 19 retailers

19 retailers$816 SGD to $4,666 SGD

A
Cheapest Retailer
-
$816 SGD
$638 USD
A
Retailer 2
-
$818 SGD
$640 USD
View
Final sale: no returns
A
Retailer 3
-
$1,074 SGD
$840 USD
View
A
Retailer 4
-
$1,217 SGD
$952 USD
View
A
Retailer 5
-
$1,281 SGD
$1,002 USD
View
A
Retailer 6
-
$1,329 SGD
€990 EUR
View
A
Retailer 7
-
$1,417 SGD
£873 GBP
View
A
Retailer 8
-
$1,566 SGD
$1,225 USD
View
A
Retailer 9
-
$1,573 SGD
ZAR 19,873 ZAR
View
A
Retailer 10
-
$2,122 SGD
A$2,554 AUD
View
B+
Retailer 11
-
$2,261 SGD
$1,769 USD
View
B+
Retailer 12
-
$2,669 SGD
£1,644 GBP
View
B+
Retailer 13
-
$2,772 SGD
$2,168 USD
View
B+
Retailer 14
-
$2,855 SGD
View
B+
Retailer 15
-
$2,939 SGD
$2,299 USD
View
B+
Retailer 16
-
$2,997 SGD
$2,344 USD
View
B+
Retailer 17
-
$3,994 SGD
£2,460 GBP
View
B
Retailer 18
-
$4,616 SGD
A$5,555 AUD
View
Most Expensive
B
Brilliant Earth
20772153A · Oct 31
$4,666 SGD
$3,650 USD
View
18 more retailers have this diamond
Prices start from $816 SGDSave up to $3,851 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
1.61ct Marquise
$816 SGD