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Marquise|Lab Grown|IGI

1.27ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818677640

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818677640

Diamond specifications and retailer prices

From $644 USD
As of October 28, 2026
Save $2,459 USD (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,103 USD at MOH London · As of October 25, 2026
View at MOH London

About this 1.27ct lab-grown marquise diamond

This 1.27ct 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 LG818677640 or 818677640. Listed at 22 retailers as of October 25, 2026, with prices from $644 to $3,103, a $2,459 spread on the same certified stone. MOH London lists it at $3,103. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818677640
Dimensions10.85 × 5.81 × 3.59 mm
L/W Ratio1.87
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
10.85 mm5.81 mm1.27 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818677640
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.8%

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: $3,103 USD|Low: $545 USD|High: $3,115 USD|Avg: $1,419 USD
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
October 30, 2026
Retailer 7$545 USD
Retailer 3$644 USD
Retailer 6$700 USD
Retailer 12$825 USD
Retailer 16$968 USD
Retailer 9$1,032 USD
Retailer 11$1,093 USD
Retailer 15$1,097 USD
Retailer 2$1,115 USD
Retailer 10$1,226 USD
Retailer 13$1,771 USD
Retailer 4$1,877 USD
Retailer 8$2,042 USD
Retailer 5$2,311 USD
Retailer 14$2,370 USD
MOH London$3,103 USD

39 data points across 16 retailers

22 retailers$644 USD to $3,103 USD

Retailer 1
-
$545 USD
Price last confirmed 28 days ago
Retailer 2
-
$565 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$636 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$644 USD
View
Final sale: no returns
Retailer 5
-
$695 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$700 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$700 USD
View
Price last confirmed 27 days ago
Retailer 8
-
$700 USD
View
Price last confirmed 18 days ago
A
Retailer 9
-
$825 USD
View
A
Retailer 10
-
$968 USD
View
B+
Retailer 11
-
$1,032 USD
A$1,588 AUD
View
B+
Retailer 12
-
$1,093 USD
€1,041 EUR
View
B+
Retailer 13
-
$1,097 USD
View
B+
Retailer 14
-
$1,115 USD
£878 GBP
View
B+
Retailer 15
-
$1,226 USD
ZAR 19,813 ZAR
View
B+
Retailer 16
-
$1,771 USD
View
Retailer 17
-
$1,851 USD
View
Price last confirmed 30 days ago
B
Retailer 18
-
$1,877 USD
View
Retailer 19
-
$2,042 USD
£1,608 GBP
View
Price last confirmed 16 days ago
B
Retailer 20
-
$2,311 USD
View
B+
Retailer 21
-
$2,370 USD
View
Most Expensive
B
MOH London
LG818677640 · Oct 25
$3,103 USD
£2,443 GBP
View
21 more retailers have this diamond
Prices start from $644 USDSave up to $2,459 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
1.27ct Marquise
$644 USD