CaratHunter
Plans
Princess|Lab Grown|IGI

2.78ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG710569958

Shape and cutting style on the report: Princess cut

Certificate IGI LG710569958

Diamond specifications and retailer prices

From $1,798 AUD
$1,263 USD
As of October 30, 2026
Save $10,573 AUD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,723 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 2.78ct lab-grown princess diamond

This 2.78ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG710569958 or 710569958. Listed at 18 retailers as of October 30, 2026, with a 588% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.78
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710569958
Dimensions7.62 × 7.61 × 5.27 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
7.62 mm7.61 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710569958
Side View
Table 69.0%Crown 49.2°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 69.3%

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: $12,723 AUD|Low: $1,798 AUD|High: $14,037 AUD|Avg: $5,825 AUD|+1.6%
Novita 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
Retailer 17
Retailer 18
October 31, 2026
Retailer 16$1,798 AUD
Retailer 11$1,956 AUD
Retailer 13$2,273 AUD
Retailer 2$3,025 AUD
Retailer 4$3,076 AUD
Retailer 17$3,485 AUD
Retailer 7$3,650 AUD
Retailer 10$3,657 AUD
Retailer 18$3,773 AUD
Retailer 12$3,886 AUD
Retailer 6$4,314 AUD
Retailer 5$5,859 AUD
Retailer 8$6,203 AUD
Retailer 3$6,608 AUD
Retailer 9$7,125 AUD
Retailer 14$9,154 AUD
Retailer 15$12,371 AUD
Novita Diamonds$12,723 AUD

35 data points across 18 retailers

18 retailers$1,798 AUD to $12,371 AUD

A
Cheapest Retailer
-
$1,798 AUD
$1,263 USD
A
Retailer 2
-
$1,956 AUD
$1,374 USD
View
A
Retailer 3
-
$2,273 AUD
$1,597 USD
View
A
Retailer 4
-
$2,769 AUD
$1,945 USD
View
A
Retailer 5
-
$3,025 AUD
$2,125 USD
View
A
Retailer 6
-
$3,485 AUD
$2,448 USD
View
A
Retailer 7
-
$3,650 AUD
$2,564 USD
View
A
Retailer 8
-
$3,657 AUD
$2,569 USD
View
Final sale: no returns
A
Retailer 9
-
$3,773 AUD
€2,524 EUR
View
A
Retailer 10
-
$3,886 AUD
$2,730 USD
View
A
Retailer 11
-
$4,314 AUD
$3,030 USD
View
A
Retailer 12
-
$5,859 AUD
$4,116 USD
View
Retailer 13
-
$6,203 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$6,608 AUD
£3,655 GBP
View
B+
Retailer 15
-
$7,125 AUD
$5,005 USD
View
B+
Retailer 16
-
$9,154 AUD
$6,430 USD
View
B
Retailer 17
-
$12,371 AUD
$8,690 USD
View
Most Expensive
Novita Diamonds
cert_710569958 · Oct 8
$12,723 AUD
View
Price last confirmed 22 days ago
17 more retailers have this diamond
Prices start from $1,798 AUDSave up to $10,573 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
2.78ct Princess
$1,798 AUD