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Marquise|Lab Grown|IGI

1.80ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG816672824

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816672824

Diamond specifications and retailer prices

From $970 NZD
$545 USD
As of October 27, 2026
Save $7,647 NZD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,618 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown marquise diamond

This 1.8ct 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 LG816672824 or 816672824. Listed at 22 retailers as of October 27, 2026, with prices from $970 to $8,618, a $7,647 spread on the same certified stone. Do Amore Diamonds lists it at $8,618. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816672824
Dimensions13.09 × 6.38 × 3.91 mm
L/W Ratio2.05
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
13.09 mm6.38 mm1.80 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816672824
Side View
Table 63.0%Crown 33.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.3%

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: Oct 27
Current: $8,618 NZD|Low: $970 NZD|High: $8,618 NZD|Avg: $3,328 NZD
Do Amore Diamonds
Retailer 2
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Retailer 22
October 29, 2026
Retailer 4$970 NZD
Retailer 7$1,086 NZD
Retailer 22$1,088 NZD
Retailer 5$1,204 NZD
Retailer 17$1,376 NZD
Retailer 18$1,442 NZD
Retailer 10$1,743 NZD
Retailer 14$1,859 NZD
Retailer 11$2,046 NZD
Retailer 16$2,067 NZD
Retailer 13$2,284 NZD
Retailer 21$2,938 NZD
Retailer 19$3,113 NZD
Retailer 6$3,495 NZD
Retailer 3$3,874 NZD
Retailer 9$3,880 NZD
Retailer 12$4,505 NZD
Retailer 8$4,556 NZD
Retailer 20$5,030 NZD
Retailer 2$5,800 NZD
Retailer 15$5,843 NZD
Do Amore Diamonds$8,618 NZD

32 data points across 22 retailers

22 retailers$970 NZD to $8,618 NZD

A
Cheapest Retailer
-
$970 NZD
$545 USD
A
Retailer 2
-
$1,086 NZD
$610 USD
View
Final sale: no returns
A
Retailer 3
-
$1,088 NZD
$611 USD
View
A
Retailer 4
-
$1,204 NZD
$676 USD
View
A
Retailer 5
-
$1,376 NZD
£608 GBP
View
A
Retailer 6
-
$1,442 NZD
$810 USD
View
A
Retailer 7
-
$1,743 NZD
$979 USD
View
A
Retailer 8
-
$1,859 NZD
$1,044 USD
View
A
Retailer 9
-
$2,046 NZD
$1,149 USD
View
A
Retailer 10
-
$2,067 NZD
£914 GBP
View
A
Retailer 11
-
$2,284 NZD
ZAR 20,720 ZAR
View
A
Retailer 12
-
$2,938 NZD
$1,650 USD
View
A
Retailer 13
-
$3,113 NZD
A$2,690 AUD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$3,495 NZD
$1,963 USD
View
B+
Retailer 15
-
$3,874 NZD
$2,176 USD
View
B+
Retailer 16
-
$3,880 NZD
£1,716 GBP
View
B+
Retailer 17
-
$4,505 NZD
$2,530 USD
View
B+
Retailer 18
-
$4,556 NZD
SGD 3,458 SGD
View
B+
Retailer 19
-
$5,030 NZD
$2,825 USD
View
B+
Retailer 20
-
$5,800 NZD
£2,565 GBP
View
B
Retailer 21
-
$5,843 NZD
A$5,049 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Do Amore Diamonds
27-E0EB2547A · Oct 29
$8,618 NZD
$4,840 USD
View
21 more retailers have this diamond
Prices start from $970 NZDSave up to $7,647 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
1.80ct Marquise
$970 NZD