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Princess|Lab Grown|IGI

1.73ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG619437868

Shape and cutting style on the report: Princess cut

Certificate IGI LG619437868

Diamond specifications and retailer prices

From €235 EUR
$262 USD
As of October 30, 2026
Save €1,260 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,495 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.73ct lab-grown princess diamond

This 1.73ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG619437868 or 619437868. Listed at 17 retailers as of October 30, 2026, with prices from €235 to €1,495, a €1,260 spread on the same certified stone. Brilliant Earth lists it at €1,495. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.73
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619437868
Dimensions6.49 × 6.43 × 4.67 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.49 mm6.43 mm1.73 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619437868
Side View
Table 69.0%Crown 44.1°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 72.6%

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: €1,495 EUR|Low: €199 EUR|High: €2,112 EUR|Avg: €658 EUR|-29.2%
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
November 1, 2026
Retailer 4€235 EUR
Retailer 13€272 EUR
Retailer 5€291 EUR
Retailer 17€291 EUR
Retailer 16€326 EUR
Retailer 11€398 EUR
Retailer 10€440 EUR
Retailer 8€485 EUR
Retailer 2€557 EUR
Retailer 7€575 EUR
Retailer 6€602 EUR
Retailer 14€894 EUR
Retailer 3€935 EUR
Retailer 15€1,141 EUR
Retailer 12€1,169 EUR
Retailer 9€1,199 EUR
Brilliant Earth€1,495 EUR

38 data points across 17 retailers

17 retailers€235 EUR to €1,495 EUR

A
Cheapest Retailer
-
€235 EUR
$262 USD
A
Retailer 2
-
€272 EUR
$304 USD
View
A
Retailer 3
-
€291 EUR
$325 USD
View
A
Retailer 4
-
€291 EUR
$325 USD
View
Retailer 5
-
€326 EUR
£287 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
€398 EUR
$445 USD
View
A
Retailer 7
-
€440 EUR
View
B+
Retailer 8
-
€485 EUR
$542 USD
View
B+
Retailer 9
-
€557 EUR
£490 GBP
View
B+
Retailer 10
-
€575 EUR
$642 USD
View
B+
Retailer 11
-
€602 EUR
$672 USD
View
B
Retailer 12
-
€894 EUR
$999 USD
View
B
Retailer 13
-
€935 EUR
$1,045 USD
View
Retailer 14
-
€1,141 EUR
$1,275 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
€1,169 EUR
£1,028 GBP
View
B
Retailer 16
-
€1,199 EUR
$1,340 USD
View
Most Expensive
B
Brilliant Earth
9118972A · Oct 31
€1,495 EUR
$1,670 USD
View
16 more retailers have this diamond
Prices start from €235 EURSave up to €1,260 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
1.73ct Princess
€235 EUR