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Princess|Lab Grown|IGI

1.38ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG683599715

Shape and cutting style on the report: Princess cut

Certificate IGI LG683599715

Diamond specifications and retailer prices

From $259 AUD
As of November 6, 2026
Save $1,238 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,497 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.38ct lab-grown princess diamond

This 1.38ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG683599715 or 683599715. Listed at 13 retailers as of November 2, 2026, with prices from $259 to $1,497, a $1,238 spread on the same certified stone. MOH London lists it at $1,497. 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

1.38
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683599715
Dimensions6.14 × 6.02 × 4.32 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.14 mm6.02 mm1.38 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683599715
Side View
Table 68.0%Crown 42°Girdle: MediumPavilion 38.5°Culet: NoneDepth 71.8%

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 6
Current: $1,497 AUD|Low: $259 AUD|High: $2,543 AUD|Avg: $840 AUD|-0.5%
MOH London
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 11$259 AUD
Retailer 5$300 AUD
Retailer 12$320 AUD
Retailer 16$366 AUD
Retailer 2$380 AUD
Retailer 6$546 AUD
Retailer 3$567 AUD
Retailer 9$570 AUD
Retailer 13$683 AUD
Retailer 14$790 AUD
Retailer 15$1,029 AUD
Retailer 4$1,036 AUD
Retailer 10$1,087 AUD
Retailer 7$1,287 AUD
MOH London$1,497 AUD
Retailer 8$2,543 AUD

11 data points across 16 retailers

13 retailers$259 AUD to $1,497 AUD

A
Cheapest Retailer
-
$259 AUD
A
Retailer 2
-
$300 AUD
View
A
Retailer 3
-
$320 AUD
View
A
Retailer 4
-
$366 AUD
View
A
Retailer 5
-
$380 AUD
View
B+
Retailer 6
-
$567 AUD
View
A
Retailer 7
-
$570 AUD
View
B+
Retailer 8
-
$683 AUD
View
B+
Retailer 9
-
$790 AUD
View
B
Retailer 10
-
$1,029 AUD
View
Retailer 11
-
$1,036 AUD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$1,087 AUD
View
Most Expensive
B
MOH London
LG683599715 · Nov 2
$1,497 AUD
£825 GBP
View
12 more retailers have this diamond
Prices start from $259 AUDSave up to $1,238 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
1.38ct Princess
$259 AUD