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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 $634 USD
As of October 28, 2026
Save $2,434 USD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,068 USD 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 28, 2026, with prices from $634 to $3,068, a $2,434 spread on the same certified stone. MOH London lists it at $3,068. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $3,068 USD|Low: $537 USD|High: $3,068 USD|Avg: $1,435 USD|+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$537 USD
Retailer 14$634 USD
Retailer 4$690 USD
Retailer 10$810 USD
Retailer 13$941 USD
Retailer 11$1,078 USD
Retailer 12$1,082 USD
Retailer 8$1,097 USD
Retailer 9$1,208 USD
Retailer 2$1,488 USD
Retailer 15$1,849 USD
Retailer 5$2,012 USD
Retailer 3$2,278 USD
Retailer 6$2,650 USD
MOH London$3,068 USD

42 data points across 15 retailers

21 retailers$634 USD to $3,068 USD

Retailer 1
-
$537 USD
Price last confirmed 29 days ago
Retailer 2
-
$556 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$626 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$634 USD
View
Final sale: no returns
Retailer 5
-
$684 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$690 USD
View
Price last confirmed 14 days ago
Retailer 7
-
$690 USD
View
Price last confirmed 28 days ago
Retailer 8
-
$690 USD
View
Price last confirmed 18 days ago
A
Retailer 9
-
$810 USD
View
A
Retailer 10
-
$941 USD
View
B+
Retailer 11
-
$1,078 USD
€1,027 EUR
View
B+
Retailer 12
-
$1,082 USD
View
B+
Retailer 13
-
$1,097 USD
£864 GBP
View
B+
Retailer 14
-
$1,208 USD
ZAR 19,516 ZAR
View
B+
Retailer 15
-
$1,488 USD
View
Retailer 16
-
$1,823 USD
View
Price last confirmed 30 days ago
B
Retailer 17
-
$1,849 USD
View
Retailer 18
-
$2,012 USD
£1,584 GBP
View
Price last confirmed 16 days ago
B
Retailer 19
-
$2,278 USD
View
B
Retailer 20
-
$2,650 USD
View
Most Expensive
B
MOH London
LG818677645 · Oct 29
$3,068 USD
£2,416 GBP
View
20 more retailers have this diamond
Prices start from $634 USDSave up to $2,434 USD

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
$634 USD