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Marquise|Lab Grown|IGI

2.51ct F IF Marquise Lab Grown Diamond

ID • F/IF • IGI LG619446755

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG619446755

Diamond specifications and retailer prices

From $1,397 NZD
$786 USD
As of November 2, 2026
Save $7,065 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,462 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 2.51ct lab-grown marquise diamond

This 2.51ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG619446755 or 619446755. Listed at 19 retailers as of October 29, 2026, with prices from $1,397 to $8,462, a $7,065 spread on the same certified stone. MOH London lists it at $8,462. 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

2.51
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619446755
Dimensions13.93 × 7.09 × 4.55 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
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
13.93 mm7.09 mm2.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619446755
Side View
Table 58.0%Crown 33.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.2%

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: $8,462 NZD|Low: $1,397 NZD|High: $9,971 NZD|Avg: $5,151 NZD|-0.7%
MOH London
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
November 2, 2026
Retailer 5$1,397 NZD
Retailer 11$1,520 NZD
Retailer 7$1,619 NZD
Retailer 2$1,831 NZD
Retailer 10$2,484 NZD
Retailer 4$2,618 NZD
Retailer 14$2,950 NZD
Retailer 16$3,606 NZD
Retailer 13$3,846 NZD
Retailer 15$3,851 NZD
Retailer 12$4,553 NZD
Retailer 8$4,943 NZD
Retailer 17$5,474 NZD
Retailer 6$6,444 NZD
Retailer 9$7,521 NZD
Retailer 3$8,140 NZD
MOH London$8,462 NZD

31 data points across 17 retailers

19 retailers$1,397 NZD to $8,462 NZD

A
Cheapest Retailer
-
$1,397 NZD
$786 USD
A
Retailer 2
-
$1,520 NZD
$855 USD
View
A
Retailer 3
-
$1,619 NZD
$911 USD
View
A
Retailer 4
-
$1,831 NZD
£811 GBP
View
A
Retailer 5
-
$2,484 NZD
£1,101 GBP
View
A
Retailer 6
-
$2,618 NZD
$1,473 USD
View
A
Retailer 7
-
$2,845 NZD
$1,601 USD
View
Final sale: no returns
A
Retailer 8
-
$2,950 NZD
$1,660 USD
View
A
Retailer 9
-
$3,606 NZD
$2,029 USD
View
A
Retailer 10
-
$3,846 NZD
A$3,329 AUD
View
A
Retailer 11
-
$3,851 NZD
$2,167 USD
View
A
Retailer 12
-
$4,553 NZD
$2,562 USD
View
A
Retailer 13
-
$4,943 NZD
€2,649 EUR
View
B+
Retailer 14
-
$5,474 NZD
$3,080 USD
View
B+
Retailer 15
-
$6,444 NZD
$3,626 USD
View
B+
Retailer 16
-
$7,124 NZD
£3,156 GBP
View
Retailer 17
-
$7,521 NZD
ZAR 68,366 ZAR
View
Price last confirmed 13 days ago
B+
Retailer 18
-
$8,140 NZD
$4,580 USD
View
Most Expensive
B+
MOH London
LG619446755 · Oct 29
$8,462 NZD
£3,749 GBP
View
18 more retailers have this diamond
Prices start from $1,397 NZDSave up to $7,065 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
2.51ct Marquise
$1,397 NZD