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Marquise|Lab Grown|IGI

1.55ct G IF Marquise Lab Grown Diamond

ID • G/IF • IGI LG625437613

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG625437613

Diamond specifications and retailer prices

From $829 AUD
As of November 4, 2026
Save $2,357 AUD (74%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,244 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG625437613 or 625437613. Listed at 26 retailers as of November 4, 2026, with a 284% 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
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625437613
Dimensions11.87 × 5.99 × 3.79 mm
L/W Ratio1.98
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
11.87 mm5.99 mm1.55 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625437613
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.3%

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 4
Current: $1,364 AUD|Low: $674 AUD|High: $5,341 AUD|Avg: $2,222 AUD|-41.1%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 8$674 AUD
Retailer 20$829 AUD
Retailer 7$836 AUD
Retailer 3$969 AUD
Retailer 12$1,036 AUD
Retailer 19$1,174 AUD
Retailer 2$1,179 AUD
Retailer 17$1,284 AUD
Retailer 1$1,364 AUD
Retailer 15$1,440 AUD
Retailer 6$1,463 AUD
Retailer 9$1,948 AUD
Retailer 18$2,246 AUD
Retailer 4$2,727 AUD
Retailer 10$2,783 AUD
Retailer 11$2,971 AUD
Retailer 14$3,068 AUD
Retailer 5$3,127 AUD
Retailer 16$3,186 AUD
Retailer 13$4,180 AUD

44 data points across 20 retailers

26 retailers$829 AUD to $3,186 AUD

Retailer 1
-
$674 AUD
Price last confirmed 28 days ago
A
Retailer 2
-
$829 AUD
View
Final sale: no returns
Retailer 3
-
$836 AUD
View
Price last confirmed 28 days ago
Retailer 4
-
$836 AUD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$969 AUD
View
A
Retailer 6
-
$1,036 AUD
View
A
Retailer 7
-
$1,174 AUD
View
A
Retailer 8
-
$1,179 AUD
View
Retailer 9
-
$1,284 AUD
View
Price last confirmed 7 days ago
Retailer 10
-
$1,301 AUD
View
Price last confirmed 36 days ago
A
Retailer 11
-
$1,364 AUD
View
Retailer 12
-
$1,416 AUD
View
Price last confirmed 37 days ago
A
Retailer 13
-
$1,440 AUD
View
A
Retailer 14
-
$1,463 AUD
View
Retailer 15
-
$1,488 AUD
View
Price last confirmed 37 days ago
A
Retailer 16
-
$1,948 AUD
View
B+
Retailer 17
-
$2,246 AUD
View
Retailer 18
-
$2,686 AUD
View
Price last confirmed 26 days ago
B+
Retailer 19
-
$2,686 AUD
View
B+
Retailer 20
-
$2,727 AUD
View
B+
Retailer 21
-
$2,783 AUD
View
Retailer 22
-
$2,971 AUD
View
Price last confirmed 32 days ago
B+
Retailer 23
-
$3,068 AUD
View
B+
Retailer 24
-
$3,127 AUD
View
B+
Retailer 25
-
$3,186 AUD
View
Most Expensive
NZ Jewellers
28d3de19-00bc-4e53-a5e7-040518041d09 · Sep 30
$4,244 AUD
$2,971 USD
View
Price last confirmed 36 days ago
25 more retailers have this diamond
Prices start from $829 AUDSave up to $2,357 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
$829 AUD