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Marquise|Lab Grown|IGI

1.77ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG762545100

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545100

Diamond specifications and retailer prices

From $1,553 SGD
$1,214 USD
As of November 2, 2026
Save $4,590 SGD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,142 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.77ct lab-grown marquise diamond

This 1.77ct 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 LG762545100 or 762545100. Listed at 16 retailers as of October 31, 2026, with prices from $1,553 to $6,142, a $4,590 spread on the same certified stone. Taylor and Hart lists it at $6,142. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545100
Dimensions12.67 × 6.33 × 3.93 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
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
12.67 mm6.33 mm1.77 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545100
Side View
Table 57.0%Crown 33.2°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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 2
Current: $2,508 SGD|Low: $1,553 SGD|High: $6,072 SGD|Avg: $3,508 SGD|-1.2%
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
November 2, 2026
Retailer 4$1,553 SGD
Retailer 3$1,834 SGD
Retailer 1$2,508 SGD
Retailer 14$2,517 SGD
Retailer 13$2,609 SGD
Retailer 6$2,615 SGD
Retailer 10$2,784 SGD
Retailer 11$3,179 SGD
Retailer 12$4,448 SGD
Retailer 5$4,482 SGD
Retailer 2$4,856 SGD
Retailer 9$4,975 SGD
Retailer 7$5,556 SGD
Retailer 8$5,989 SGD

44 data points across 14 retailers

16 retailers$1,553 SGD to $6,142 SGD

A
Cheapest Retailer
-
$1,553 SGD
$1,214 USD
A
Retailer 2
-
$1,834 SGD
$1,434 USD
View
A
Retailer 3
-
$2,210 SGD
HK$13,500 HKD
View
A
Retailer 4
-
$2,508 SGD
£1,544 GBP
View
A
Retailer 5
-
$2,517 SGD
A$3,028 AUD
View
Retailer 6
-
$2,587 SGD
£1,593 GBP
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$2,609 SGD
$2,040 USD
View
B+
Retailer 8
-
$2,784 SGD
€2,073 EUR
View
B+
Retailer 9
-
$3,179 SGD
ZAR 40,152 ZAR
View
B
Retailer 10
-
$4,448 SGD
$3,478 USD
View
Retailer 11
-
$4,482 SGD
$3,505 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$4,856 SGD
$3,797 USD
View
B+
Retailer 13
-
$4,975 SGD
$3,890 USD
View
B
Retailer 14
-
$5,556 SGD
£3,421 GBP
View
B
Retailer 15
-
$5,989 SGD
A$7,205 AUD
View
Most Expensive
B
Taylor and Hart
5X4JO7U · Oct 31
$6,142 SGD
$4,803 USD
View
15 more retailers have this diamond
Prices start from $1,553 SGDSave up to $4,590 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
1.77ct Marquise
$1,553 SGD