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Marquise|Lab Grown|IGI

1.25ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818677645

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818677645

Diamond specifications and retailer prices

From $1,125 NZD
$634 USD
As of October 31, 2026
Save $4,319 NZD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,444 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818677645 or 818677645. Listed at 21 retailers as of October 29, 2026, with prices from $1,125 to $5,444, a $4,319 spread on the same certified stone. MOH London lists it at $5,444. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818677645
Dimensions11.47 × 5.65 × 3.35 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizeNone
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
11.47 mm5.65 mm1.25 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818677645
Side View
Table 63.0%Crown 33.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 59.3%

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: Oct 31
Current: $5,444 NZD|Low: $953 NZD|High: $5,444 NZD|Avg: $2,549 NZD|+2.5%
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
October 31, 2026
Retailer 7$953 NZD
Retailer 14$1,125 NZD
Retailer 4$1,224 NZD
Retailer 10$1,437 NZD
Retailer 13$1,670 NZD
Retailer 11$1,913 NZD
Retailer 12$1,920 NZD
Retailer 2$1,947 NZD
Retailer 9$2,143 NZD
Retailer 8$2,640 NZD
Retailer 15$3,281 NZD
Retailer 5$3,569 NZD
Retailer 3$4,042 NZD
Retailer 6$4,702 NZD
MOH London$5,444 NZD

42 data points across 15 retailers

21 retailers$1,125 NZD to $5,444 NZD

Retailer 1
-
$953 NZD
$537 USD
Price last confirmed 29 days ago
Retailer 2
-
$987 NZD
$556 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$1,111 NZD
$626 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$1,125 NZD
$634 USD
View
Final sale: no returns
Retailer 5
-
$1,214 NZD
$684 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$1,224 NZD
$690 USD
View
Price last confirmed 14 days ago
Retailer 7
-
$1,224 NZD
$690 USD
View
Price last confirmed 28 days ago
Retailer 8
-
$1,224 NZD
$690 USD
View
Price last confirmed 19 days ago
A
Retailer 9
-
$1,437 NZD
$810 USD
View
A
Retailer 10
-
$1,670 NZD
$941 USD
View
B+
Retailer 11
-
$1,913 NZD
€1,027 EUR
View
B+
Retailer 12
-
$1,920 NZD
$1,082 USD
View
B+
Retailer 13
-
$1,947 NZD
£864 GBP
View
B+
Retailer 14
-
$2,143 NZD
ZAR 19,516 ZAR
View
B+
Retailer 15
-
$2,640 NZD
$1,488 USD
View
Retailer 16
-
$3,235 NZD
$1,823 USD
View
Price last confirmed 31 days ago
B
Retailer 17
-
$3,281 NZD
$1,849 USD
View
Retailer 18
-
$3,569 NZD
£1,584 GBP
View
Price last confirmed 17 days ago
B
Retailer 19
-
$4,042 NZD
$2,278 USD
View
B
Retailer 20
-
$4,702 NZD
$2,650 USD
View
Most Expensive
B
MOH London
LG818677645 · Oct 29
$5,444 NZD
£2,416 GBP
View
20 more retailers have this diamond
Prices start from $1,125 NZDSave up to $4,319 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
1.25ct Marquise
$1,125 NZD