Princess|Lab Grown|IGI

1.78ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG804605082

Shape and cutting style on the report: Princess cut

Certificate IGI LG804605082

Diamond specifications and retailer prices

From $1,313 USD
As of October 30, 2026
Save $7,867 USD (86%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $9,180 USD at Do Amore Diamonds · As of October 29, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804605082 or 804605082. Listed at 26 retailers as of October 29, 2026, with prices from $1,313 to $9,180, a $7,867 spread on the same certified stone. Do Amore Diamonds lists it at $9,180. 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
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804605082
Dimensions6.64 × 6.54 × 4.63 mm
L/W Ratio1.02
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
6.64 mm6.54 mm1.78 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804605082
Side View
Table 68.0%Crown 42.2°Girdle: MED-STKPavilion 37.2°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: $9,180 USD|Low: $1,313 USD|High: $9,180 USD|Avg: $3,819 USD
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
October 30, 2026
Retailer 11$1,313 USD
Retailer 4$1,487 USD
Retailer 12$1,634 USD
Retailer 8$1,725 USD
Retailer 15$1,725 USD
Retailer 23$1,725 USD
Retailer 3$1,895 USD
Retailer 25$2,248 USD
Retailer 13$2,693 USD
Retailer 6$2,720 USD
Retailer 20$2,867 USD
Retailer 22$2,977 USD
Retailer 9$3,230 USD
Retailer 19$3,501 USD
Retailer 10$3,569 USD
Retailer 24$4,450 USD
Retailer 14$4,699 USD
Retailer 18$4,801 USD
Retailer 5$5,080 USD
Retailer 17$5,242 USD
Retailer 21$5,467 USD
Retailer 7$5,660 USD
Retailer 2$6,698 USD
Retailer 16$8,213 USD
Do Amore Diamonds$9,180 USD

33 data points across 25 retailers

26 retailers$1,313 USD to $9,180 USD

A
Cheapest Retailer
-
$1,313 USD
A
Retailer 2
-
$1,487 USD
View
A
Retailer 3
-
$1,634 USD
View
A
Retailer 4
-
$1,725 USD
View
A
Retailer 5
-
$1,725 USD
View
Final sale: no returns
Retailer 6
-
$1,725 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$1,895 USD
View
B+
Retailer 8
-
$2,248 USD
View
B+
Retailer 9
-
$2,679 USD
View
B+
Retailer 10
-
$2,693 USD
£2,120 GBP
View
B+
Retailer 11
-
$2,720 USD
View
B+
Retailer 12
-
$2,867 USD
€2,730 EUR
View
B+
Retailer 13
-
$3,230 USD
CA$4,486 CAD
View
B+
Retailer 14
-
$3,501 USD
ZAR 56,556 ZAR
View
B
Retailer 15
-
$3,569 USD
View
B
Retailer 16
-
$3,947 USD
£3,108 GBP
View
B
Retailer 17
-
$4,450 USD
View
B
Retailer 18
-
$4,699 USD
View
B
Retailer 19
-
$4,801 USD
View
B
Retailer 20
-
$5,080 USD
View
B
Retailer 21
-
$5,242 USD
View
B
Retailer 22
-
$5,467 USD
£4,305 GBP
View
B
Retailer 23
-
$5,660 USD
View
B
Retailer 24
-
$6,698 USD
View
B
Retailer 25
-
$8,213 USD
View
Most Expensive
B
Do Amore Diamonds
20-E84077 · Oct 29
$9,180 USD
View
25 more retailers have this diamond
Prices start from $1,313 USDSave up to $7,867 USD

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
$1,313 USD