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Princess|Lab Grown|IGI

2.78ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG784642056

Shape and cutting style on the report: Princess cut

Certificate IGI LG784642056

Diamond specifications and retailer prices

From $2,771 NZD
$1,562 USD
As of October 30, 2026
Save $16,302 NZD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $19,074 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784642056 or 784642056. Listed at 15 retailers as of October 30, 2026, with prices from $2,771 to $19,074, a $16,302 spread on the same certified stone. Do Amore Diamonds lists it at $19,074. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642056
Dimensions7.70 × 7.67 × 5.43 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
7.70 mm7.67 mm2.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642056
Side View
Table 66.0%Crown 42.6°Girdle: MediumPavilion 37.3°Culet: NoneDepth 70.8%

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: Oct 30
Current: $19,074 NZD|Low: $2,771 NZD|High: $30,163 NZD|Avg: $8,574 NZD|-36.8%
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
October 31, 2026
Retailer 11$2,771 NZD
Retailer 2$3,015 NZD
Retailer 9$3,401 NZD
Retailer 5$3,504 NZD
Retailer 12$4,484 NZD
Retailer 7$5,167 NZD
Retailer 4$5,188 NZD
Retailer 15$5,543 NZD
Retailer 8$5,685 NZD
Retailer 13$5,930 NZD
Retailer 3$6,650 NZD
Retailer 6$8,880 NZD
Retailer 14$10,187 NZD
Retailer 10$13,715 NZD
Do Amore Diamonds$19,074 NZD

35 data points across 15 retailers

15 retailers$2,771 NZD to $19,074 NZD

A
Cheapest Retailer
-
$2,771 NZD
$1,562 USD
A
Retailer 2
-
$3,015 NZD
$1,699 USD
View
A
Retailer 3
-
$3,401 NZD
$1,917 USD
View
A
Retailer 4
-
$3,504 NZD
$1,975 USD
View
A
Retailer 5
-
$4,484 NZD
$2,527 USD
View
A
Retailer 6
-
$4,989 NZD
$2,812 USD
View
A
Retailer 7
-
$5,167 NZD
$2,912 USD
View
Final sale: no returns
A
Retailer 8
-
$5,188 NZD
$2,924 USD
View
A
Retailer 9
-
$5,685 NZD
$3,204 USD
View
A
Retailer 10
-
$5,930 NZD
€3,183 EUR
View
A
Retailer 11
-
$6,650 NZD
$3,748 USD
View
B+
Retailer 12
-
$8,880 NZD
$5,005 USD
View
B+
Retailer 13
-
$10,187 NZD
£4,521 GBP
View
B+
Retailer 14
-
$13,715 NZD
$7,730 USD
View
Most Expensive
B
Do Amore Diamonds
27-C8A20BDE3 · Oct 31
$19,074 NZD
$10,750 USD
View
14 more retailers have this diamond
Prices start from $2,771 NZDSave up to $16,302 NZD

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
$2,771 NZD