Marquise|Lab Grown|IGI

1.30ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG851605435

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851605435

Diamond specifications and retailer prices

From HK$1,993 HKD
As of November 4, 2026
Save HK$8,725 HKD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$14,946 HKD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851605435 or 851605435. Listed at 22 retailers as of November 4, 2026, with a 438% 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

1.30
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851605435
Dimensions11.37 × 5.72 × 3.55 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.37 mm5.72 mm1.30 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851605435
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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$14,946 HKD|Low: HK$1,993 HKD|High: HK$14,946 HKD|Avg: HK$5,800 HKD
Queensmith
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 12HK$1,993 HKD
Retailer 7HK$2,228 HKD
Retailer 9HK$2,315 HKD
Retailer 3HK$2,471 HKD
Retailer 13HK$3,295 HKD
Retailer 8HK$3,334 HKD
Retailer 16HK$3,727 HKD
Retailer 11HK$4,260 HKD
Retailer 19HK$4,268 HKD
Retailer 2HK$4,637 HKD
Retailer 4HK$5,061 HKD
Retailer 17HK$6,057 HKD
Retailer 15HK$6,143 HKD
Retailer 18HK$6,324 HKD
Retailer 5HK$6,842 HKD
Retailer 6HK$7,948 HKD
Retailer 21HK$8,160 HKD
Retailer 14HK$8,348 HKD
Retailer 20HK$9,909 HKD
Retailer 10HK$10,717 HKD
QueensmithHK$14,946 HKD

11 data points across 21 retailers

22 retailersHK$1,993 HKD to HK$10,717 HKD

A
Cheapest Retailer
-
HK$1,993 HKD
A
Retailer 2
-
HK$2,228 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,315 HKD
View
A
Retailer 4
-
HK$2,471 HKD
View
A
Retailer 5
-
HK$3,295 HKD
View
A
Retailer 6
-
HK$3,334 HKD
View
A
Retailer 7
-
HK$3,727 HKD
View
A
Retailer 8
-
HK$4,260 HKD
View
A
Retailer 9
-
HK$4,268 HKD
View
A
Retailer 10
-
HK$4,637 HKD
View
B+
Retailer 11
-
HK$5,061 HKD
View
B+
Retailer 12
-
HK$5,688 HKD
View
B+
Retailer 13
-
HK$6,057 HKD
View
B+
Retailer 14
-
HK$6,143 HKD
View
B+
Retailer 15
-
HK$6,324 HKD
View
Retailer 16
-
HK$6,842 HKD
View
Price last confirmed 7 days ago
B
Retailer 17
-
HK$7,948 HKD
View
B
Retailer 18
-
HK$8,160 HKD
View
B
Retailer 19
-
HK$8,348 HKD
View
B
Retailer 20
-
HK$9,909 HKD
View
B
Retailer 21
-
HK$10,717 HKD
View
Most Expensive
Queensmith
LG851605435 · Oct 28
HK$14,946 HKD
£1,500 GBP
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from HK$1,993 HKDSave up to HK$8,725 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
1.30ct Marquise
HK$1,993 HKD