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Marquise|Lab Grown|IGI

1.01ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG830660463

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830660463

Diamond specifications and retailer prices

From HK$1,342 HKD
As of November 6, 2026
Save HK$5,617 HKD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$8,002 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830660463 or 830660463. Listed at 18 retailers as of November 2, 2026, with a 419% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle29.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830660463
Dimensions10.12 × 5.22 × 3.31 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.12 mm5.22 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG830660463
Side View
Table 52.0%Crown 29.9°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 63.4%

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 6
Current: HK$8,002 HKD|Low: HK$1,342 HKD|High: HK$8,002 HKD|Avg: HK$3,955 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11HK$1,342 HKD
Retailer 2HK$1,765 HKD
Retailer 6HK$2,024 HKD
Retailer 10HK$2,526 HKD
Retailer 4HK$2,565 HKD
Retailer 8HK$2,691 HKD
Retailer 7HK$2,824 HKD
Retailer 9HK$5,060 HKD
Retailer 3HK$5,217 HKD
Retailer 5HK$6,959 HKD
Brilliant EarthHK$8,002 HKD

40 data points across 11 retailers

18 retailersHK$1,342 HKD to HK$6,959 HKD

Retailer 1
-
HK$1,224 HKD
Price last confirmed 29 days ago
A
Retailer 2
-
HK$1,342 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,420 HKD
View
Price last confirmed 38 days ago
Retailer 4
-
HK$1,522 HKD
View
Price last confirmed 25 days ago
Retailer 5
-
HK$1,522 HKD
View
Price last confirmed 34 days ago
A
Retailer 6
-
HK$1,765 HKD
View
B+
Retailer 7
-
HK$2,024 HKD
View
A
Retailer 8
-
HK$2,526 HKD
View
A
Retailer 9
-
HK$2,565 HKD
View
Retailer 10
-
HK$2,597 HKD
View
Price last confirmed 24 days ago
Retailer 11
-
HK$2,691 HKD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
HK$2,824 HKD
View
Retailer 13
-
HK$4,103 HKD
View
Price last confirmed 61 days ago
Retailer 14
-
HK$4,880 HKD
View
Price last confirmed 37 days ago
B
Retailer 15
-
HK$5,060 HKD
View
B
Retailer 16
-
HK$5,217 HKD
View
B
Retailer 17
-
HK$6,959 HKD
View
Most Expensive
Brilliant Earth
21109744A · Oct 28
HK$8,002 HKD
$1,020 USD
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from HK$1,342 HKDSave up to HK$5,617 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
1.01ct Marquise
HK$1,342 HKD