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Marquise|Lab Grown|IGI

1.27ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662340

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662340

Diamond specifications and retailer prices

From HK$4,017 HKD
As of November 4, 2026
Save HK$14,734 HKD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$19,811 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662340 or 780662340. Listed at 14 retailers as of November 4, 2026, with a 367% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662340
Dimensions11.51 × 5.54 × 3.47 mm
L/W Ratio2.08
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
11.51 mm5.54 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662340
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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: Nov 4
Current: HK$6,104 HKD|Low: HK$4,017 HKD|High: HK$26,754 HKD|Avg: HK$12,101 HKD|-32.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 7HK$4,017 HKD
Retailer 9HK$4,880 HKD
Retailer 1HK$6,104 HKD
Retailer 4HK$6,849 HKD
Retailer 5HK$7,336 HKD
Retailer 11HK$7,885 HKD
Retailer 2HK$8,003 HKD
Retailer 13HK$8,991 HKD
Retailer 3HK$9,219 HKD
Retailer 12HK$11,408 HKD
Retailer 10HK$13,236 HKD
Retailer 6HK$13,440 HKD
Retailer 8HK$18,751 HKD

41 data points across 13 retailers

14 retailersHK$4,017 HKD to HK$18,751 HKD

A
Cheapest Retailer
-
HK$4,017 HKD
A
Retailer 2
-
HK$4,880 HKD
View
A
Retailer 3
-
HK$6,104 HKD
View
A
Retailer 4
-
HK$6,849 HKD
View
A
Retailer 5
-
HK$7,336 HKD
View
A
Retailer 6
-
HK$7,885 HKD
View
A
Retailer 7
-
HK$8,003 HKD
View
B+
Retailer 8
-
HK$8,991 HKD
View
B+
Retailer 9
-
HK$9,219 HKD
View
B+
Retailer 10
-
HK$11,408 HKD
View
B+
Retailer 11
-
HK$13,236 HKD
View
B+
Retailer 12
-
HK$13,440 HKD
View
B
Retailer 13
-
HK$18,751 HKD
View
Most Expensive
Rare Carat
52437 · Oct 28
HK$19,811 HKD
$2,525 USD
View
Price last confirmed 7 days ago
13 more retailers have this diamond
Prices start from HK$4,017 HKDSave up to HK$14,734 HKD

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
HK$4,017 HKD