CaratHunter
Plans
Princess|Lab Grown|IGI

1.55ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG497176310

Shape and cutting style on the report: Princess cut

Certificate IGI LG497176310

Diamond specifications and retailer prices

From $379 AUD
$266 USD
As of November 1, 2026
Save $3,294 AUD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,673 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown princess diamond

This 1.55ct lab-grown princess 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 LG497176310 or 497176310. Listed at 17 retailers as of October 31, 2026, with prices from $379 to $3,673, a $3,294 spread on the same certified stone. Do Amore Diamonds lists it at $3,673. 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

1.55
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497176310
Dimensions6.28 × 6.26 × 4.49 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.28 mm6.26 mm1.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497176310
Side View
Table 68.5%Crown 43.7°Girdle: Slightly ThickPavilion 38.2°Culet: NoneDepth 71.7%

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 1
Current: $3,673 AUD|Low: $325 AUD|High: $3,673 AUD|Avg: $1,168 AUD|+13.2%
Do Amore Diamonds
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 1, 2026
Retailer 8$379 AUD
Retailer 15$413 AUD
Retailer 5$480 AUD
Retailer 10$512 AUD
Retailer 13$512 AUD
Retailer 14$599 AUD
Retailer 16$732 AUD
Retailer 3$733 AUD
Retailer 2$1,010 AUD
Retailer 7$1,375 AUD
Retailer 11$1,575 AUD
Retailer 12$1,818 AUD
Retailer 4$2,049 AUD
Retailer 6$2,103 AUD
Retailer 9$2,280 AUD
Do Amore Diamonds$3,673 AUD

44 data points across 16 retailers

17 retailers$379 AUD to $3,673 AUD

A
Cheapest Retailer
-
$379 AUD
$266 USD
Final sale: no returns
A
Retailer 2
-
$413 AUD
$290 USD
View
A
Retailer 3
-
$480 AUD
$337 USD
View
Retailer 4
-
$512 AUD
$360 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$512 AUD
$360 USD
View
A
Retailer 6
-
$599 AUD
$421 USD
View
B+
Retailer 7
-
$732 AUD
$514 USD
View
B+
Retailer 8
-
$733 AUD
$515 USD
View
B
Retailer 9
-
$1,010 AUD
£559 GBP
View
B
Retailer 10
-
$1,375 AUD
$966 USD
View
B
Retailer 11
-
$1,514 AUD
CA$1,477 CAD
View
B
Retailer 12
-
$1,575 AUD
$1,106 USD
View
B
Retailer 13
-
$1,818 AUD
$1,277 USD
View
B
Retailer 14
-
$2,049 AUD
$1,440 USD
View
B
Retailer 15
-
$2,103 AUD
SGD 1,996 SGD
View
B
Retailer 16
-
$2,280 AUD
£1,261 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F3FD1F777 · Oct 31
$3,673 AUD
$2,580 USD
View
16 more retailers have this diamond
Prices start from $379 AUDSave up to $3,294 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
1.55ct Princess
$379 AUD