Princess|Lab Grown|IGI

1.57ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG816624870

Shape and cutting style on the report: Princess cut

Certificate IGI LG816624870

Diamond specifications and retailer prices

From €661 EUR
$738 USD
As of November 1, 2026
Save €2,383 EUR (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €3,043 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.57ct lab-grown princess diamond

This 1.57ct 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 IGI LG816624870 or 816624870. Listed at 24 retailers as of October 31, 2026, with prices from €661 to €3,043, a €2,383 spread on the same certified stone. Brilliant Earth lists it at €3,043. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624870
Dimensions6.28 × 6.23 × 4.45 mm
L/W Ratio1.01
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
6.28 mm6.23 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624870
Side View
Table 68.0%Crown 43.2°Girdle: MediumPavilion 37.6°Culet: NoneDepth 71.4%

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: Nov 1
Current: €3,043 EUR|Low: €619 EUR|High: €4,091 EUR|Avg: €1,599 EUR|-25.6%
Brilliant Earth
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
November 1, 2026
Retailer 9€644 EUR
Retailer 3€661 EUR
Retailer 10€747 EUR
Retailer 11€747 EUR
Retailer 5€1,029 EUR
Retailer 13€1,029 EUR
Retailer 18€1,078 EUR
Retailer 12€1,095 EUR
Retailer 16€1,114 EUR
Retailer 7€1,361 EUR
Retailer 15€1,577 EUR
Retailer 14€1,705 EUR
Retailer 4€1,735 EUR
Retailer 19€2,212 EUR
Retailer 6€2,362 EUR
Retailer 17€2,381 EUR
Retailer 8€2,493 EUR
Retailer 2€2,885 EUR
Brilliant Earth€3,043 EUR

37 data points across 19 retailers

24 retailers€661 EUR to €3,043 EUR

Retailer 1
-
€644 EUR
$720 USD
Price last confirmed 21 days ago
Retailer 2
-
€644 EUR
$720 USD
View
Price last confirmed 40 days ago
A
Retailer 3
-
€661 EUR
$738 USD
View
Final sale: no returns
Retailer 4
-
€701 EUR
$783 USD
View
Price last confirmed 39 days ago
Retailer 5
-
€737 EUR
$823 USD
View
Price last confirmed 37 days ago
Retailer 6
-
€747 EUR
$835 USD
View
Price last confirmed 29 days ago
Retailer 7
-
€747 EUR
$835 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
€1,029 EUR
$1,150 USD
View
A
Retailer 9
-
€1,029 EUR
$1,150 USD
View
A
Retailer 10
-
€1,078 EUR
$1,204 USD
View
A
Retailer 11
-
€1,095 EUR
£963 GBP
View
A
Retailer 12
-
€1,114 EUR
View
Retailer 13
-
€1,361 EUR
ZAR 24,559 ZAR
View
Price last confirmed 8 days ago
A
Retailer 14
-
€1,577 EUR
$1,762 USD
View
B+
Retailer 15
-
€1,705 EUR
A$2,931 AUD
View
B+
Retailer 16
-
€1,735 EUR
$1,938 USD
View
Retailer 17
-
€2,101 EUR
$2,347 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
€2,212 EUR
$2,471 USD
View
Retailer 19
-
€2,319 EUR
£2,040 GBP
View
Price last confirmed 21 days ago
B+
Retailer 20
-
€2,362 EUR
$2,639 USD
View
B+
Retailer 21
-
€2,381 EUR
$2,660 USD
View
Retailer 22
-
€2,493 EUR
$2,785 USD
View
Price last confirmed 14 days ago
B+
Retailer 23
-
€2,885 EUR
£2,538 GBP
View
Most Expensive
B
Brilliant Earth
21018818A · Oct 31
€3,043 EUR
$3,400 USD
View
23 more retailers have this diamond
Prices start from €661 EURSave up to €2,383 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
1.57ct Princess
€661 EUR