Marquise|Lab Grown|IGI

1.81ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG799671726

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799671726

Diamond specifications and retailer prices

From $2,560 NZD
$1,443 USD
As of October 30, 2026
Save $5,788 NZD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,348 NZD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.81ct lab-grown marquise diamond

This 1.81ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799671726 or 799671726. Listed at 12 retailers as of October 30, 2026, with prices from $2,560 to $8,348, a $5,788 spread on the same certified stone. With Clarity lists it at $8,348. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799671726
Dimensions12.61 × 6.41 × 3.97 mm
L/W Ratio1.97
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
12.61 mm6.41 mm1.81 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799671726
Side View
Table 61.0%Crown 33.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

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: $6,529 NZD|Low: $2,560 NZD|High: $9,634 NZD|Avg: $5,115 NZD|-32.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 30, 2026
Retailer 8$2,560 NZD
Retailer 2$2,680 NZD
Retailer 10$2,960 NZD
Retailer 4$3,168 NZD
Retailer 11$3,300 NZD
Retailer 5$3,519 NZD
Retailer 6$3,746 NZD
Retailer 9$5,652 NZD
Retailer 1$6,529 NZD
Retailer 7$7,459 NZD
Retailer 3$7,641 NZD
With Clarity$8,348 NZD

42 data points across 12 retailers

12 retailers$2,560 NZD to $8,348 NZD

A
Cheapest Retailer
-
$2,560 NZD
$1,443 USD
A
Retailer 2
-
$2,680 NZD
HK$11,800 HKD
View
A
Retailer 3
-
$2,960 NZD
$1,668 USD
View
A
Retailer 4
-
$3,168 NZD
£1,406 GBP
View
A
Retailer 5
-
$3,300 NZD
$1,860 USD
View
A
Retailer 6
-
$3,519 NZD
€1,889 EUR
View
B+
Retailer 7
-
$3,746 NZD
A$3,248 AUD
View
B
Retailer 8
-
$5,652 NZD
$3,186 USD
View
B
Retailer 9
-
$6,529 NZD
$3,680 USD
View
B
Retailer 10
-
$7,459 NZD
£3,310 GBP
View
B
Retailer 11
-
$7,641 NZD
$4,306 USD
View
Most Expensive
B
With Clarity
799671726 · Oct 31
$8,348 NZD
$4,705 USD
View
11 more retailers have this diamond
Prices start from $2,560 NZDSave up to $5,788 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
1.81ct Marquise
$2,560 NZD