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Marquise|Lab Grown|IGI

1.77ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG830627864

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830627864

Diamond specifications and retailer prices

From $2,094 SGD
$1,637 USD
As of November 2, 2026
Save $4,526 SGD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,620 SGD at With Clarity · As of November 2, 2026
View at With Clarity

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 LG830627864 or 830627864. Listed at 14 retailers as of November 2, 2026, with prices from $2,094 to $6,620, a $4,526 spread on the same certified stone. With Clarity lists it at $6,620. 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 angle36.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830627864
Dimensions12.24 × 6.29 × 4.06 mm
L/W Ratio1.95
Girdle conditionFaceted
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
12.24 mm6.29 mm1.77 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830627864
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.5%

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: $2,094 SGD|High: $6,620 SGD|Avg: $3,894 SGD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 2, 2026
Retailer 10$2,094 SGD
Retailer 12$2,112 SGD
Retailer 1$2,508 SGD
Retailer 3$2,609 SGD
Retailer 8$2,774 SGD
Retailer 9$3,101 SGD
Retailer 7$3,179 SGD
Retailer 4$4,482 SGD
Retailer 11$5,006 SGD
Retailer 5$5,556 SGD
Retailer 6$5,980 SGD
Retailer 2$6,055 SGD
With Clarity$6,620 SGD

23 data points across 13 retailers

14 retailers$2,094 SGD to $6,620 SGD

A
Cheapest Retailer
-
$2,094 SGD
$1,637 USD
A
Retailer 2
-
$2,112 SGD
HK$12,900 HKD
View
A
Retailer 3
-
$2,264 SGD
$1,770 USD
View
A
Retailer 4
-
$2,508 SGD
£1,544 GBP
View
B+
Retailer 5
-
$2,609 SGD
$2,040 USD
View
B+
Retailer 6
-
$2,774 SGD
€2,066 EUR
View
B+
Retailer 7
-
$3,101 SGD
$2,425 USD
View
B+
Retailer 8
-
$3,179 SGD
ZAR 40,152 ZAR
View
Retailer 9
-
$4,482 SGD
$3,505 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$5,006 SGD
$3,914 USD
View
B
Retailer 11
-
$5,556 SGD
£3,421 GBP
View
B
Retailer 12
-
$5,980 SGD
A$7,194 AUD
View
B
Retailer 13
-
$6,055 SGD
$4,734 USD
View
Most Expensive
B
With Clarity
830627864 · Nov 2
$6,620 SGD
$5,176 USD
View
13 more retailers have this diamond
Prices start from $2,094 SGDSave up to $4,526 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
$2,094 SGD