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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611669

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611669

Diamond specifications and retailer prices

From $1,326 AUD
As of November 4, 2026
Save $4,713 AUD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,771 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611669 or 790611669. Listed at 22 retailers as of November 4, 2026, with a 355% 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

1.55
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611669
Dimensions11.57 × 6.09 × 3.86 mm
L/W Ratio1.90
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
11.57 mm6.09 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611669
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.4%

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 4
Current: $11,771 AUD|Low: $1,326 AUD|High: $11,771 AUD|Avg: $3,453 AUD
Do Amore Diamonds
Retailer 2
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Retailer 22
November 5, 2026
Retailer 10$1,326 AUD
Retailer 8$1,371 AUD
Retailer 19$1,443 AUD
Retailer 11$1,484 AUD
Retailer 9$1,537 AUD
Retailer 21$1,537 AUD
Retailer 20$1,786 AUD
Retailer 22$1,838 AUD
Retailer 4$2,066 AUD
Retailer 2$2,423 AUD
Retailer 3$2,463 AUD
Retailer 13$3,121 AUD
Retailer 14$3,181 AUD
Retailer 18$3,420 AUD
Retailer 15$4,680 AUD
Retailer 7$4,808 AUD
Retailer 5$4,975 AUD
Retailer 17$5,257 AUD
Retailer 16$5,755 AUD
Retailer 12$5,981 AUD
Retailer 6$6,038 AUD
Do Amore Diamonds$11,771 AUD

45 data points across 22 retailers

22 retailers$1,326 AUD to $6,038 AUD

A
Cheapest Retailer
-
$1,326 AUD
A
Retailer 2
-
$1,371 AUD
View
A
Retailer 3
-
$1,443 AUD
View
A
Retailer 4
-
$1,484 AUD
View
Final sale: no returns
Retailer 5
-
$1,537 AUD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$1,537 AUD
View
A
Retailer 7
-
$1,786 AUD
View
A
Retailer 8
-
$1,838 AUD
View
A
Retailer 9
-
$2,066 AUD
View
A
Retailer 10
-
$2,423 AUD
View
A
Retailer 11
-
$2,463 AUD
View
B+
Retailer 12
-
$3,121 AUD
View
B+
Retailer 13
-
$3,181 AUD
View
B+
Retailer 14
-
$3,420 AUD
View
B
Retailer 15
-
$4,680 AUD
View
B+
Retailer 16
-
$4,808 AUD
View
B
Retailer 17
-
$4,975 AUD
View
B
Retailer 18
-
$5,257 AUD
View
B
Retailer 19
-
$5,755 AUD
View
B
Retailer 20
-
$5,981 AUD
View
B
Retailer 21
-
$6,038 AUD
View
Most Expensive
Do Amore Diamonds
27-B7711CEBB · Nov 4
$11,771 AUD
$8,240 USD
View
Price under review
21 more retailers have this diamond
Prices start from $1,326 AUDSave up to $4,713 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
1.55ct Marquise
$1,326 AUD