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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 $2,336 AUD
$1,637 USD
As of November 2, 2026
Save $5,050 AUD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,386 AUD 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 $2,336 to $7,386, a $5,050 spread on the same certified stone. With Clarity lists it at $7,386. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,798 AUD|Low: $2,336 AUD|High: $7,386 AUD|Avg: $4,344 AUD|-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$2,336 AUD
Retailer 12$2,356 AUD
Retailer 1$2,798 AUD
Retailer 3$2,911 AUD
Retailer 8$3,095 AUD
Retailer 9$3,460 AUD
Retailer 7$3,546 AUD
Retailer 4$5,001 AUD
Retailer 11$5,585 AUD
Retailer 5$6,199 AUD
Retailer 6$6,672 AUD
Retailer 2$6,755 AUD
With Clarity$7,386 AUD

23 data points across 13 retailers

14 retailers$2,336 AUD to $7,386 AUD

A
Cheapest Retailer
-
$2,336 AUD
$1,637 USD
A
Retailer 2
-
$2,356 AUD
HK$12,900 HKD
View
A
Retailer 3
-
$2,526 AUD
$1,770 USD
View
A
Retailer 4
-
$2,798 AUD
£1,544 GBP
View
B+
Retailer 5
-
$2,911 AUD
$2,040 USD
View
B+
Retailer 6
-
$3,095 AUD
€2,066 EUR
View
B+
Retailer 7
-
$3,460 AUD
$2,425 USD
View
B+
Retailer 8
-
$3,546 AUD
ZAR 40,152 ZAR
View
Retailer 9
-
$5,001 AUD
$3,505 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$5,585 AUD
$3,914 USD
View
B
Retailer 11
-
$6,199 AUD
£3,421 GBP
View
B
Retailer 12
-
$6,672 AUD
View
B
Retailer 13
-
$6,755 AUD
$4,734 USD
View
Most Expensive
B
With Clarity
830627864 · Nov 2
$7,386 AUD
$5,176 USD
View
13 more retailers have this diamond
Prices start from $2,336 AUDSave up to $5,050 AUD

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
$2,336 AUD