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Marquise|Lab Grown|IGI

2.54ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818683666

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818683666

Diamond specifications and retailer prices

From $6,658 NZD
$3,746 USD
As of November 2, 2026
Save $22,088 NZD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $28,746 NZD at With Clarity · As of November 2, 2026
View at With Clarity

About this 2.54ct lab-grown marquise diamond

This 2.54ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818683666 or 818683666. Listed at 10 retailers as of November 2, 2026, with prices from $6,658 to $28,746, a $22,088 spread on the same certified stone. With Clarity lists it at $28,746. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.54
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683666
Dimensions13.77 × 7.06 × 4.54 mm
L/W Ratio1.95
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
13.77 mm7.06 mm2.54 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683666
Side View
Table 58.0%Crown 37°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.3%

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: $9,800 NZD|Low: $6,658 NZD|High: $28,746 NZD|Avg: $15,437 NZD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 2, 2026
Retailer 4$6,658 NZD
Retailer 7$9,077 NZD
Retailer 1$9,800 NZD
Retailer 5$11,147 NZD
Retailer 3$11,828 NZD
Retailer 6$15,569 NZD
Retailer 2$15,690 NZD
Retailer 8$19,466 NZD
Retailer 9$25,796 NZD
With Clarity$28,746 NZD

36 data points across 10 retailers

10 retailers$6,658 NZD to $28,746 NZD

A
Cheapest Retailer
-
$6,658 NZD
$3,746 USD
B+
Retailer 2
-
$9,077 NZD
HK$39,900 HKD
View
B+
Retailer 3
-
$9,800 NZD
£4,342 GBP
View
B+
Retailer 4
-
$11,147 NZD
$6,272 USD
View
B+
Retailer 5
-
$11,828 NZD
€6,338 EUR
View
B
Retailer 6
-
$15,569 NZD
$8,760 USD
View
B+
Retailer 7
-
$15,690 NZD
£6,951 GBP
View
Retailer 8
-
$19,466 NZD
$10,952 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$25,796 NZD
$14,514 USD
View
Most Expensive
B
With Clarity
818683666 · Nov 2
$28,746 NZD
$16,174 USD
View
9 more retailers have this diamond
Prices start from $6,658 NZDSave up to $22,088 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
2.54ct Marquise
$6,658 NZD