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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG643452185

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG643452185

Diamond specifications and retailer prices

From HK$1,875 HKD
As of November 4, 2026
Save HK$9,501 HKD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$11,612 HKD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG643452185 or 643452185. Listed at 26 retailers as of November 4, 2026, with a 507% 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

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643452185
Dimensions10.71 × 5.30 × 3.31 mm
L/W Ratio2.02
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
10.71 mm5.30 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643452185
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: HK$11,612 HKD|Low: HK$1,875 HKD|High: HK$20,007 HKD|Avg: HK$6,243 HKD
Novita Diamonds
Retailer 2
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Retailer 24
November 5, 2026
Retailer 5HK$1,875 HKD
Retailer 19HK$2,095 HKD
Retailer 24HK$2,181 HKD
Retailer 4HK$2,330 HKD
Retailer 11HK$2,707 HKD
Retailer 10HK$3,295 HKD
Retailer 23HK$3,899 HKD
Retailer 18HK$4,017 HKD
Retailer 8HK$4,150 HKD
Retailer 2HK$4,362 HKD
Retailer 12HK$4,715 HKD
Retailer 15HK$5,108 HKD
Retailer 21HK$5,241 HKD
Retailer 13HK$5,704 HKD
Retailer 16HK$6,575 HKD
Retailer 6HK$7,485 HKD
Retailer 7HK$7,516 HKD
Retailer 14HK$7,893 HKD
Retailer 17HK$8,575 HKD
Retailer 20HK$9,329 HKD
Retailer 3HK$10,043 HKD
Retailer 9HK$10,349 HKD
Retailer 22HK$11,376 HKD
Novita DiamondsHK$11,612 HKD

34 data points across 24 retailers

26 retailersHK$1,875 HKD to HK$11,376 HKD

A+
Cheapest Retailer
-
HK$1,875 HKD
A
Retailer 2
-
HK$2,095 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,181 HKD
View
A
Retailer 4
-
HK$2,330 HKD
View
A
Retailer 5
-
HK$2,707 HKD
View
A
Retailer 6
-
HK$3,295 HKD
View
A
Retailer 7
-
HK$3,899 HKD
View
A
Retailer 8
-
HK$4,017 HKD
View
A
Retailer 9
-
HK$4,150 HKD
View
Retailer 10
-
HK$4,299 HKD
View
Price last confirmed 21 days ago
A
Retailer 11
-
HK$4,362 HKD
View
A
Retailer 12
-
HK$4,715 HKD
View
B+
Retailer 13
-
HK$5,108 HKD
View
B+
Retailer 14
-
HK$5,241 HKD
View
B+
Retailer 15
-
HK$5,704 HKD
View
B+
Retailer 16
-
HK$6,575 HKD
View
B+
Retailer 17
-
HK$7,485 HKD
View
B+
Retailer 18
-
HK$7,516 HKD
View
B+
Retailer 19
-
HK$7,893 HKD
View
B
Retailer 20
-
HK$8,575 HKD
View
B+
Retailer 21
-
HK$9,329 HKD
View
Retailer 22
-
HK$10,043 HKD
View
Price last confirmed 8 days ago
B
Retailer 23
-
HK$10,349 HKD
View
Retailer 24
-
HK$10,411 HKD
View
Price last confirmed 88 days ago
B
Retailer 25
-
HK$11,376 HKD
View
Most Expensive
Novita Diamonds
cert_643452185 · Oct 8
HK$11,612 HKD
A$2,277 AUD
View
Price last confirmed 27 days ago
25 more retailers have this diamond
Prices start from HK$1,875 HKDSave up to HK$9,501 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+
1.05ct Marquise
HK$1,875 HKD