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Marquise|Lab Grown|IGI

1.73ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG668472310

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG668472310

Diamond specifications and retailer prices

From $1,513 NZD
$853 USD
As of October 30, 2026
Save $11,936 NZD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $13,449 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.73ct lab-grown marquise diamond

This 1.73ct 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 LG668472310 or 668472310. Listed at 24 retailers as of October 29, 2026, with prices from $1,513 to $13,449, a $11,936 spread on the same certified stone. Do Amore Diamonds lists it at $13,449. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668472310
Dimensions12.36 × 6.22 × 3.92 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.36 mm6.22 mm1.73 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668472310
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 63.0%

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: Oct 30
Current: $13,449 NZD|Low: $1,453 NZD|High: $13,449 NZD|Avg: $4,498 NZD
Do Amore Diamonds
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
October 30, 2026
Retailer 6$1,513 NZD
Retailer 5$1,647 NZD
Retailer 4$1,757 NZD
Retailer 18$1,757 NZD
Retailer 14$2,023 NZD
Retailer 2$2,140 NZD
Retailer 11$2,988 NZD
Retailer 13$3,564 NZD
Retailer 17$3,841 NZD
Retailer 3$4,038 NZD
Retailer 15$4,823 NZD
Retailer 7$5,451 NZD
Retailer 10$5,493 NZD
Retailer 8$5,544 NZD
Retailer 9$5,764 NZD
Retailer 16$6,317 NZD
Retailer 12$6,609 NZD
Do Amore Diamonds$13,449 NZD

31 data points across 18 retailers

24 retailers$1,513 NZD to $13,449 NZD

A
Cheapest Retailer
-
$1,513 NZD
$853 USD
A
Retailer 2
-
$1,647 NZD
$928 USD
View
A
Retailer 3
-
$1,757 NZD
$990 USD
View
Retailer 4
-
$1,757 NZD
$990 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,826 NZD
$1,029 USD
View
Final sale: no returns
A
Retailer 6
-
$2,016 NZD
$1,136 USD
View
A
Retailer 7
-
$2,021 NZD
$1,139 USD
View
A
Retailer 8
-
$2,023 NZD
$1,140 USD
View
A
Retailer 9
-
$2,140 NZD
£950 GBP
View
A
Retailer 10
-
$2,479 NZD
$1,397 USD
View
A
Retailer 11
-
$2,988 NZD
£1,326 GBP
View
B+
Retailer 12
-
$3,564 NZD
ZAR 32,446 ZAR
View
B+
Retailer 13
-
$3,841 NZD
$2,165 USD
View
B+
Retailer 14
-
$4,038 NZD
$2,276 USD
View
Retailer 15
-
$4,823 NZD
A$4,182 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$5,354 NZD
£2,376 GBP
View
B+
Retailer 17
-
$5,451 NZD
$3,072 USD
View
B+
Retailer 18
-
$5,493 NZD
$3,096 USD
View
Retailer 19
-
$5,544 NZD
A$4,807 AUD
View
Price last confirmed 22 days ago
B
Retailer 20
-
$5,764 NZD
$3,249 USD
View
B+
Retailer 21
-
$6,317 NZD
$3,560 USD
View
B+
Retailer 22
-
$6,609 NZD
£2,933 GBP
View
B
Retailer 23
-
$6,907 NZD
$3,893 USD
View
Most Expensive
B
Do Amore Diamonds
27-1B04D236C · Oct 29
$13,449 NZD
$7,580 USD
View
23 more retailers have this diamond
Prices start from $1,513 NZDSave up to $11,936 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
1.73ct Marquise
$1,513 NZD