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Princess|Lab Grown|GCAL

1.78ct D IF Princess Lab Grown Diamond

EX • D/IF • GCAL 362446170

Shape and cutting style on the report: Princess

Certificate GCAL 362446170

Diamond specifications and retailer prices

From $1,424 AUD
$1,000 USD
As of October 30, 2026
Save $11,218 AUD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,642 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.78ct lab-grown princess diamond

This 1.78ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 362446170. Listed at 11 retailers as of October 30, 2026, with prices from $1,424 to $12,642, a $11,218 spread on the same certified stone. Do Amore Diamonds lists it at $12,642. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle37.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 362446170
Dimensions6.53 × 6.52 × 4.71 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.53 mm6.52 mm1.78 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 362446170
Side View
Table 65.0%Crown 43.5°Girdle: THK-THKPavilion 37.4°Culet: NoneDepth 72.2%

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: Oct 30
Current: $12,642 AUD|Low: $1,395 AUD|High: $19,945 AUD|Avg: $5,112 AUD|-36.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3$1,424 AUD
Retailer 8$1,774 AUD
Retailer 2$2,420 AUD
Retailer 4$2,638 AUD
Retailer 7$3,417 AUD
Retailer 5$3,451 AUD
Retailer 9$5,017 AUD
Retailer 6$5,865 AUD
Do Amore Diamonds$12,642 AUD

21 data points across 9 retailers

11 retailers$1,424 AUD to $12,642 AUD

A
Cheapest Retailer
-
$1,424 AUD
$1,000 USD
A
Retailer 2
-
$1,774 AUD
$1,246 USD
View
A
Retailer 3
-
$2,178 AUD
$1,530 USD
View
A
Retailer 4
-
$2,638 AUD
$1,853 USD
View
Retailer 5
-
$3,200 AUD
$2,248 USD
View
Price last confirmed 39 days ago
B+
Retailer 6
-
$3,417 AUD
$2,400 USD
View
B+
Retailer 7
-
$3,451 AUD
$2,424 USD
View
Retailer 8
-
$3,482 AUD
$2,446 USD
View
Price last confirmed 38 days ago
B+
Retailer 9
-
$5,017 AUD
$3,524 USD
View
B+
Retailer 10
-
$5,865 AUD
£3,244 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C90FE4D2D · Oct 31
$12,642 AUD
$8,880 USD
View
10 more retailers have this diamond
Prices start from $1,424 AUDSave up to $11,218 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
1.78ct Princess
$1,424 AUD