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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 $3,220 NZD
$1,815 USD
As of October 30, 2026
Save $7,449 NZD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,670 NZD 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 $3,220 to $10,670, a $7,449 spread on the same certified stone. MOH London lists it at $10,670. 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: $10,670 NZD|Low: $3,220 NZD|High: $10,798 NZD|Avg: $5,988 NZD
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 5$3,220 NZD
Retailer 6$3,584 NZD
Retailer 8$3,607 NZD
Retailer 12$3,685 NZD
Retailer 4$4,017 NZD
Retailer 9$4,037 NZD
Retailer 11$4,977 NZD
Retailer 7$5,859 NZD
Retailer 2$6,285 NZD
Retailer 10$10,179 NZD
MOH London$10,670 NZD
Retailer 3$10,697 NZD

13 data points across 12 retailers

12 retailers$3,220 NZD to $10,670 NZD

B+
Cheapest Retailer
-
$3,220 NZD
$1,815 USD
B+
Retailer 2
-
$3,504 NZD
$1,975 USD
View
B+
Retailer 3
-
$3,584 NZD
$2,020 USD
View
B+
Retailer 4
-
$3,607 NZD
$2,033 USD
View
Final sale: no returns
Retailer 5
-
$3,737 NZD
$2,106 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$3,737 NZD
$2,106 USD
View
B
Retailer 7
-
$4,037 NZD
$2,275 USD
View
B
Retailer 8
-
$5,859 NZD
$3,302 USD
View
B
Retailer 9
-
$6,285 NZD
$3,542 USD
View
B
Retailer 10
-
$7,003 NZD
$3,947 USD
View
B
Retailer 11
-
$10,179 NZD
$5,737 USD
View
Most Expensive
B
MOH London
LG506100198 · Nov 1
$10,670 NZD
£4,735 GBP
View
11 more retailers have this diamond
Prices start from $3,220 NZDSave up to $7,449 NZD

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
$3,220 NZD