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Marquise|Lab Grown|IGI

1.55ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG790654384

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790654384

Diamond specifications and retailer prices

From $802 NZD
$451 USD
As of November 2, 2026
Save $3,642 NZD (82%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $4,443 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790654384 or 790654384. Listed at 28 retailers as of November 2, 2026, with prices from $802 to $4,443, a $3,642 spread on the same certified stone. Brilliant Earth lists it at $4,443. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790654384
Dimensions11.77 × 6.07 × 3.79 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.77 mm6.07 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790654384
Side View
Table 59.0%Crown 34.6°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 62.4%

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: $4,443 NZD|Low: $802 NZD|High: $5,474 NZD|Avg: $2,348 NZD|-18.8%
Brilliant Earth
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
Retailer 21
Retailer 22
Retailer 23
November 3, 2026
Retailer 9$802 NZD
Retailer 18$896 NZD
Retailer 5$898 NZD
Retailer 7$994 NZD
Retailer 4$1,092 NZD
Retailer 23$1,244 NZD
Retailer 12$1,333 NZD
Retailer 11$1,552 NZD
Retailer 3$1,583 NZD
Retailer 17$1,631 NZD
Retailer 6$1,650 NZD
Retailer 13$1,715 NZD
Retailer 8$1,985 NZD
Retailer 21$2,264 NZD
Retailer 22$2,315 NZD
Retailer 15$3,153 NZD
Retailer 10$3,196 NZD
Retailer 16$3,253 NZD
Retailer 14$3,546 NZD
Retailer 19$3,652 NZD
Retailer 2$3,722 NZD
Retailer 20$4,270 NZD
Brilliant Earth$4,443 NZD

30 data points across 23 retailers

28 retailers$802 NZD to $4,443 NZD

A
Cheapest Retailer
-
$802 NZD
$451 USD
A
Retailer 2
-
$896 NZD
$504 USD
View
Final sale: no returns
A
Retailer 3
-
$898 NZD
$505 USD
View
Retailer 4
-
$994 NZD
$559 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$994 NZD
$559 USD
View
A
Retailer 6
-
$1,092 NZD
HK$4,800 HKD
View
A
Retailer 7
-
$1,244 NZD
$700 USD
View
A
Retailer 8
-
$1,333 NZD
$750 USD
View
A
Retailer 9
-
$1,552 NZD
$873 USD
View
A
Retailer 10
-
$1,583 NZD
€848 EUR
View
A
Retailer 11
-
$1,631 NZD
£723 GBP
View
A
Retailer 12
-
$1,650 NZD
A$1,428 AUD
View
A
Retailer 13
-
$1,715 NZD
ZAR 15,585 ZAR
View
A
Retailer 14
-
$1,985 NZD
$1,117 USD
View
A
Retailer 15
-
$2,264 NZD
$1,274 USD
View
A
Retailer 16
-
$2,315 NZD
A$2,004 AUD
View
Retailer 17
-
$2,405 NZD
$1,353 USD
View
Price last confirmed 7 days ago
B+
Retailer 18
-
$3,153 NZD
SGD 2,397 SGD
View
B+
Retailer 19
-
$3,196 NZD
$1,798 USD
View
B+
Retailer 20
-
$3,253 NZD
$1,830 USD
View
B+
Retailer 21
-
$3,338 NZD
$1,878 USD
View
B+
Retailer 22
-
$3,546 NZD
$1,995 USD
View
B+
Retailer 23
-
$3,652 NZD
£1,618 GBP
View
B+
Retailer 24
-
$3,722 NZD
$2,094 USD
View
Retailer 25
-
$4,221 NZD
$2,375 USD
View
Price last confirmed 26 days ago
B+
Retailer 26
-
$4,270 NZD
A$3,696 AUD
View
B+
Retailer 27
-
$4,356 NZD
£1,930 GBP
View
Most Expensive
B+
Brilliant Earth
20474298A · Nov 2
$4,443 NZD
$2,500 USD
View
27 more retailers have this diamond
Prices start from $802 NZDSave up to $3,642 NZD

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
$802 NZD