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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG803613569

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803613569

Diamond specifications and retailer prices

From HK$1,530 HKD
As of November 4, 2026
Save HK$7,195 HKD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$10,278 HKD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803613569 or 803613569. Listed at 22 retailers as of November 4, 2026, with a 470% 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

1.23
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803613569
Dimensions11.37 × 5.61 × 3.45 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.37 mm5.61 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG803613569
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.5%

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 4
Current: HK$6,277 HKD|Low: HK$1,389 HKD|High: HK$10,278 HKD|Avg: HK$4,307 HKD|-38.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 10HK$1,389 HKD
Retailer 16HK$1,530 HKD
Retailer 8HK$1,608 HKD
Retailer 14HK$1,718 HKD
Retailer 9HK$1,907 HKD
Retailer 15HK$2,260 HKD
Retailer 5HK$2,856 HKD
Retailer 6HK$2,903 HKD
Retailer 2HK$3,013 HKD
Retailer 19HK$3,028 HKD
Retailer 12HK$3,672 HKD
Retailer 20HK$3,766 HKD
Retailer 21HK$4,315 HKD
Retailer 11HK$5,523 HKD
Retailer 4HK$5,555 HKD
Retailer 3HK$5,625 HKD
Retailer 7HK$5,845 HKD
Retailer 17HK$5,884 HKD
Brilliant EarthHK$6,277 HKD
Retailer 13HK$7,924 HKD
Retailer 18HK$8,725 HKD

32 data points across 21 retailers

22 retailersHK$1,530 HKD to HK$8,725 HKD

Retailer 1
-
HK$1,389 HKD
Price last confirmed 13 days ago
A
Retailer 2
-
HK$1,530 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,608 HKD
View
Price last confirmed 12 days ago
Retailer 4
-
HK$1,718 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$1,907 HKD
View
A
Retailer 6
-
HK$2,260 HKD
View
A
Retailer 7
-
HK$2,856 HKD
View
Retailer 8
-
HK$2,903 HKD
View
Price last confirmed 13 days ago
A
Retailer 9
-
HK$3,013 HKD
View
A
Retailer 10
-
HK$3,028 HKD
View
Retailer 11
-
HK$3,672 HKD
View
Price last confirmed 10 days ago
A
Retailer 12
-
HK$3,766 HKD
View
B+
Retailer 13
-
HK$4,315 HKD
View
Retailer 14
-
HK$5,523 HKD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
HK$5,555 HKD
View
B+
Retailer 16
-
HK$5,625 HKD
View
Retailer 17
-
HK$5,845 HKD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
HK$5,884 HKD
View
B+
Retailer 19
-
HK$6,277 HKD
View
B
Retailer 20
-
HK$7,924 HKD
View
B
Retailer 21
-
HK$8,725 HKD
View
Most Expensive
Brilliant Earth
19868300A · Oct 26
HK$10,278 HKD
$1,310 USD
View
Price last confirmed 9 days ago
21 more retailers have this diamond
Prices start from HK$1,530 HKDSave up to HK$7,195 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
1.23ct Marquise
HK$1,530 HKD