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Princess|Lab Grown|IGI

1.91ct H SI1 Princess Lab Grown Diamond

ID • H/SI1 • IGI LG506100198

Shape and cutting style on the report: Princess cut

Certificate IGI LG506100198

Diamond specifications and retailer prices

From HK$14,240 HKD
$1,815 USD
As of October 30, 2026
Save HK$32,940 HKD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$47,180 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.91ct lab-grown princess diamond

This 1.91ct lab-grown princess sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG506100198 or 506100198. Listed at 12 retailers as of October 30, 2026, with prices from HK$14,240 to HK$47,180, a HK$32,940 spread on the same certified stone. MOH London lists it at HK$47,180. 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

1.91
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506100198
Dimensions6.97 × 6.89 × 4.81 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.97 mm6.89 mm1.91 ctH / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506100198
Side View
Table 71.5%Crown 38.9°Girdle: Slightly ThickPavilion 38.6°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$47,180 HKD|Low: HK$14,240 HKD|High: HK$47,748 HKD|Avg: HK$26,479 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5HK$14,240 HKD
Retailer 6HK$15,848 HKD
Retailer 8HK$15,950 HKD
Retailer 12HK$16,296 HKD
Retailer 4HK$17,763 HKD
Retailer 9HK$17,849 HKD
Retailer 11HK$22,007 HKD
Retailer 7HK$25,907 HKD
Retailer 2HK$27,789 HKD
Retailer 10HK$45,011 HKD
MOH LondonHK$47,180 HKD
Retailer 3HK$47,299 HKD

13 data points across 12 retailers

12 retailersHK$14,240 HKD to HK$47,180 HKD

B+
Cheapest Retailer
-
HK$14,240 HKD
$1,815 USD
B+
Retailer 2
-
HK$15,495 HKD
$1,975 USD
View
B+
Retailer 3
-
HK$15,848 HKD
$2,020 USD
View
B+
Retailer 4
-
HK$15,950 HKD
$2,033 USD
View
Final sale: no returns
Retailer 5
-
HK$16,523 HKD
$2,106 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
HK$16,523 HKD
$2,106 USD
View
B
Retailer 7
-
HK$17,849 HKD
$2,275 USD
View
B
Retailer 8
-
HK$25,907 HKD
$3,302 USD
View
B
Retailer 9
-
HK$27,789 HKD
$3,542 USD
View
B
Retailer 10
-
HK$30,967 HKD
$3,947 USD
View
B
Retailer 11
-
HK$45,011 HKD
$5,737 USD
View
Most Expensive
B
MOH London
LG506100198 · Nov 1
HK$47,180 HKD
£4,735 GBP
View
11 more retailers have this diamond
Prices start from HK$14,240 HKDSave up to HK$32,940 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.

B+
1.91ct Princess
HK$14,240 HKD