CaratHunter
Plans
Marquise|Lab Grown|IGI

1.25ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG801689971

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801689971

Diamond specifications and retailer prices

From HK$5,273 HKD
$672 USD
As of November 2, 2026
Save HK$12,146 HKD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$17,418 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801689971 or 801689971. Listed at 14 retailers as of November 2, 2026, with prices from HK$5,273 to HK$17,418, a HK$12,146 spread on the same certified stone. Brilliant Earth lists it at HK$17,418. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801689971
Dimensions10.97 × 5.63 × 3.54 mm
L/W Ratio1.95
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
10.97 mm5.63 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801689971
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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: Nov 2
Current: HK$17,418 HKD|Low: HK$5,273 HKD|High: HK$19,929 HKD|Avg: HK$10,298 HKD|-12.6%
Brilliant Earth
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
November 2, 2026
Retailer 3HK$5,273 HKD
Retailer 11HK$5,725 HKD
Retailer 12HK$5,837 HKD
Retailer 4HK$6,277 HKD
Retailer 7HK$6,821 HKD
Retailer 2HK$7,291 HKD
Retailer 9HK$8,405 HKD
Retailer 14HK$10,357 HKD
Retailer 10HK$11,887 HKD
Retailer 6HK$14,657 HKD
Retailer 5HK$14,922 HKD
Retailer 13HK$15,436 HKD
Retailer 8HK$16,332 HKD
Brilliant EarthHK$17,418 HKD

44 data points across 14 retailers

14 retailersHK$5,273 HKD to HK$17,418 HKD

A
Cheapest Retailer
-
HK$5,273 HKD
$672 USD
A
Retailer 2
-
HK$5,725 HKD
View
A
Retailer 3
-
HK$5,837 HKD
$744 USD
View
A
Retailer 4
-
HK$6,277 HKD
$800 USD
View
A
Retailer 5
-
HK$6,821 HKD
€828 EUR
View
A
Retailer 6
-
HK$7,291 HKD
£732 GBP
View
B+
Retailer 7
-
HK$8,405 HKD
A$1,648 AUD
View
Retailer 8
-
HK$10,357 HKD
$1,320 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
HK$11,887 HKD
$1,515 USD
View
B
Retailer 10
-
HK$14,657 HKD
$1,868 USD
View
Retailer 11
-
HK$14,922 HKD
A$2,926 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
HK$15,436 HKD
$1,967 USD
View
Retailer 13
-
HK$16,332 HKD
£1,639 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20869453Y · Nov 2
HK$17,418 HKD
$2,220 USD
View
13 more retailers have this diamond
Prices start from HK$5,273 HKDSave up to HK$12,146 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
1.25ct Marquise
HK$5,273 HKD