Marquise|Lab Grown|IGI

1.27ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG800679527

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679527

Diamond specifications and retailer prices

From $717 USD
HK$5,600 HKD
As of October 30, 2026
Save $1,883 USD (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,600 USD at MOH London · As of October 29, 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 LG800679527 or 800679527. Listed at 10 retailers as of October 29, 2026, with prices from $717 to $2,600, a $1,883 spread on the same certified stone. MOH London lists it at $2,600. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679527
Dimensions11.04 × 5.64 × 3.62 mm
L/W Ratio1.96
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
11.04 mm5.64 mm1.27 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679527
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.2%

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 30
Current: $2,600 USD|Low: $532 USD|High: $3,117 USD|Avg: $1,470 USD|-15.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5$717 USD
Retailer 9$875 USD
Retailer 8$942 USD
Retailer 3$953 USD
Retailer 2$1,031 USD
Retailer 7$1,453 USD
Retailer 6$2,018 USD
Retailer 4$2,310 USD
Retailer 10$2,437 USD
MOH London$2,600 USD

39 data points across 10 retailers

10 retailers$717 USD to $2,600 USD

A
Cheapest Retailer
-
$717 USD
HK$5,600 HKD
A
Retailer 2
-
$875 USD
View
A
Retailer 3
-
$942 USD
View
B+
Retailer 4
-
$953 USD
€908 EUR
View
B+
Retailer 5
-
$1,031 USD
£812 GBP
View
Retailer 6
-
$1,453 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
$2,018 USD
View
B
Retailer 8
-
$2,310 USD
View
B
Retailer 9
-
$2,437 USD
View
Most Expensive
B
MOH London
LG800679527 · Oct 29
$2,600 USD
£2,047 GBP
View
9 more retailers have this diamond
Prices start from $717 USDSave up to $1,883 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
$717 USD