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Princess|Lab Grown|IGI

1.78ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG830625275

Shape and cutting style on the report: Princess cut

Certificate IGI LG830625275

Diamond specifications and retailer prices

From €680 EUR
$760 USD
As of October 30, 2026
Save €5,362 EUR (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €6,042 EUR 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830625275 or 830625275. Listed at 16 retailers as of October 30, 2026, with prices from €680 to €6,042, a €5,362 spread on the same certified stone. Do Amore Diamonds lists it at €6,042. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830625275
Dimensions6.83 × 6.60 × 4.60 mm
L/W Ratio1.03
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
6.83 mm6.60 mm1.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830625275
Side View
Table 67.0%Crown 41.3°Girdle: MediumPavilion 37.2°Culet: NoneDepth 69.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €6,042 EUR|Low: €680 EUR|High: €8,736 EUR|Avg: €3,083 EUR|-30.8%
Do Amore Diamonds
Retailer 2
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Retailer 18
October 31, 2026
Retailer 16€680 EUR
Retailer 12€740 EUR
Retailer 13€930 EUR
Retailer 17€1,073 EUR
Retailer 7€1,110 EUR
Retailer 15€1,276 EUR
Retailer 18€1,467 EUR
Retailer 5€1,478 EUR
Retailer 11€1,876 EUR
Retailer 6€2,299 EUR
Retailer 2€2,448 EUR
Retailer 4€3,107 EUR
Retailer 3€3,282 EUR
Retailer 8€3,307 EUR
Retailer 14€4,207 EUR
Retailer 9€4,208 EUR
Do Amore Diamonds€6,042 EUR
Retailer 10€6,751 EUR

33 data points across 18 retailers

16 retailers€680 EUR to €6,042 EUR

A
Cheapest Retailer
-
€680 EUR
$760 USD
A
Retailer 2
-
€740 EUR
$827 USD
View
A
Retailer 3
-
€930 EUR
$1,039 USD
View
A
Retailer 4
-
€1,073 EUR
$1,199 USD
View
A
Retailer 5
-
€1,110 EUR
$1,240 USD
View
A
Retailer 6
-
€1,276 EUR
$1,426 USD
View
A
Retailer 7
-
€1,330 EUR
$1,486 USD
View
A
Retailer 8
-
€1,467 EUR
View
A
Retailer 9
-
€1,876 EUR
$2,096 USD
View
B+
Retailer 10
-
€2,299 EUR
$2,569 USD
View
B+
Retailer 11
-
€2,448 EUR
$2,735 USD
View
B+
Retailer 12
-
€3,107 EUR
$3,471 USD
View
B+
Retailer 13
-
€3,282 EUR
£2,887 GBP
View
Retailer 14
-
€3,307 EUR
$3,695 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
€4,207 EUR
$4,700 USD
View
Most Expensive
B
Do Amore Diamonds
27-A12EBBE9A · Oct 31
€6,042 EUR
$6,750 USD
View
15 more retailers have this diamond
Prices start from €680 EURSave up to €5,362 EUR

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
€680 EUR