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Princess|Lab Grown|IGI

1.71ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG499123056

Shape and cutting style on the report: Princess cut

Certificate IGI LG499123056

Diamond specifications and retailer prices

From €337 EUR
$376 USD
As of October 30, 2026
Save €2,331 EUR (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €2,667 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown princess diamond

This 1.71ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499123056 or 499123056. Listed at 9 retailers as of October 30, 2026, with prices from €337 to €2,667, a €2,331 spread on the same certified stone. Do Amore Diamonds lists it at €2,667. 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

1.71
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499123056
Dimensions6.62 × 6.58 × 4.57 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
6.62 mm6.58 mm1.71 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499123056
Side View
Table 67.0%Crown 40.3°Girdle: MediumPavilion 38.3°Culet: NoneDepth 69.5%

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: €2,667 EUR|Low: €241 EUR|High: €2,667 EUR|Avg: €965 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 4€337 EUR
Retailer 9€371 EUR
Retailer 5€464 EUR
Retailer 3€602 EUR
Retailer 7€725 EUR
Retailer 8€763 EUR
Retailer 6€1,011 EUR
Retailer 10€1,112 EUR
Retailer 2€1,610 EUR
Do Amore Diamonds€2,667 EUR

10 data points across 10 retailers

9 retailers€337 EUR to €2,667 EUR

Retailer 1
-
€301 EUR
$336 USD
Price last confirmed 21 days ago
A
Retailer 2
-
€337 EUR
$376 USD
View
Final sale: no returns
Retailer 3
-
€349 EUR
$390 USD
View
Price last confirmed 19 days ago
Retailer 4
-
€372 EUR
$416 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€464 EUR
$518 USD
View
B+
Retailer 6
-
€602 EUR
$673 USD
View
Retailer 7
-
€1,323 EUR
$1,478 USD
View
Price last confirmed 32 days ago
B
Retailer 8
-
€1,610 EUR
£1,416 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2F80CE9C6 · Oct 31
€2,667 EUR
$2,980 USD
View
8 more retailers have this diamond
Prices start from €337 EURSave up to €2,331 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
1.71ct Princess
€337 EUR