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Princess|Lab Grown|IGI

1.98ct K SI1 Princess Lab Grown Diamond

ID • K/SI1 • IGI LG451058490

Shape and cutting style on the report: Princess cut

Certificate IGI LG451058490

Diamond specifications and retailer prices

From $1,704 AUD
As of November 6, 2026
Save $4,649 AUD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,353 AUD at MOH London · As of November 3, 2026
View at MOH London

About this 1.98ct lab-grown princess diamond

This 1.98ct lab-grown princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451058490 or 451058490. Listed at 10 retailers as of November 3, 2026, with prices from $1,704 to $6,353, a $4,649 spread on the same certified stone. MOH London lists it at $6,353. 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

1.98
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451058490
Dimensions6.90 × 6.85 × 4.83 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
6.90 mm6.85 mm1.98 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451058490
Side View
Table 73.5%Crown 43.1°Girdle: MediumPavilion 38.5°Culet: NoneDepth 70.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,353 AUD|Low: $1,637 AUD|High: $6,439 AUD|Avg: $3,170 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$1,704 AUD
Retailer 5$1,977 AUD
Retailer 7$1,977 AUD
Retailer 3$2,228 AUD
Retailer 2$2,750 AUD
Retailer 9$2,827 AUD
Retailer 6$3,138 AUD
Retailer 8$3,788 AUD
MOH London$6,353 AUD

41 data points across 9 retailers

10 retailers$1,704 AUD to $6,353 AUD

A
Cheapest Retailer
-
$1,704 AUD
A
Retailer 2
-
$1,856 AUD
View
A
Retailer 3
-
$1,977 AUD
View
Retailer 4
-
$1,977 AUD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$2,228 AUD
View
A
Retailer 6
-
$2,750 AUD
View
B+
Retailer 7
-
$3,138 AUD
View
B
Retailer 8
-
$3,707 AUD
View
B
Retailer 9
-
$3,788 AUD
View
Most Expensive
B
MOH London
LG451058490 · Nov 3
$6,353 AUD
£3,502 GBP
View
9 more retailers have this diamond
Prices start from $1,704 AUDSave up to $4,649 AUD

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
1.98ct Princess
$1,704 AUD