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Marquise|Lab Grown|IGI

1.97ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG799606499

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799606499

Diamond specifications and retailer prices

From HK$2,903 HKD
$370 USD
As of November 2, 2026
Save HK$11,848 HKD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$14,751 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.97ct lab-grown marquise diamond

This 1.97ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG799606499 or 799606499. Listed at 14 retailers as of November 2, 2026, with prices from HK$2,903 to HK$14,751, a HK$11,848 spread on the same certified stone. Brilliant Earth lists it at HK$14,751. 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

1.97
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799606499
Dimensions13.45 × 6.57 × 3.93 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.45 mm6.57 mm1.97 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799606499
Side View
Table 63.0%Crown 33.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.8%

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$14,751 HKD|Low: HK$2,785 HKD|High: HK$28,481 HKD|Avg: HK$7,348 HKD|-30.1%
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 11HK$2,903 HKD
Retailer 3HK$3,366 HKD
Retailer 4HK$3,601 HKD
Retailer 12HK$3,601 HKD
Retailer 9HK$4,028 HKD
Retailer 8HK$4,786 HKD
Retailer 6HK$5,728 HKD
Retailer 14HK$5,751 HKD
Retailer 2HK$6,447 HKD
Retailer 5HK$6,575 HKD
Retailer 10HK$10,561 HKD
Retailer 13HK$11,573 HKD
Retailer 7HK$14,070 HKD
Brilliant EarthHK$14,751 HKD

42 data points across 14 retailers

14 retailersHK$2,903 HKD to HK$14,751 HKD

A
Cheapest Retailer
-
HK$2,903 HKD
$370 USD
A
Retailer 2
-
HK$3,366 HKD
$429 USD
View
Retailer 3
-
HK$3,601 HKD
$459 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$3,601 HKD
$459 USD
View
Retailer 5
-
HK$4,028 HKD
£404 GBP
View
Price last confirmed 17 days ago
A
Retailer 6
-
HK$4,786 HKD
$610 USD
View
B+
Retailer 7
-
HK$5,728 HKD
$730 USD
View
B+
Retailer 8
-
HK$5,751 HKD
$733 USD
View
B+
Retailer 9
-
HK$6,447 HKD
£647 GBP
View
B+
Retailer 10
-
HK$6,575 HKD
$838 USD
View
B
Retailer 11
-
HK$10,561 HKD
$1,346 USD
View
B
Retailer 12
-
HK$11,573 HKD
$1,475 USD
View
B
Retailer 13
-
HK$14,070 HKD
£1,412 GBP
View
Most Expensive
B
Brilliant Earth
21067453A · Nov 2
HK$14,751 HKD
$1,880 USD
View
13 more retailers have this diamond
Prices start from HK$2,903 HKDSave up to HK$11,848 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
1.97ct Marquise
HK$2,903 HKD