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Princess|Lab Grown|IGI

2.57ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG831603936

Shape and cutting style on the report: Princess cut

Certificate IGI LG831603936

Diamond specifications and retailer prices

From €1,780 EUR
$1,996 USD
As of November 2, 2026
Save €6,931 EUR (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €8,711 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 2.57ct lab-grown princess diamond

This 2.57ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831603936 or 831603936. Listed at 24 retailers as of November 2, 2026, with prices from €1,780 to €8,711, a €6,931 spread on the same certified stone. Brilliant Earth lists it at €8,711. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.57
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831603936
Dimensions7.49 × 7.49 × 5.32 mm
L/W Ratio1.00
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
7.49 mm7.49 mm2.57 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831603936
Side View
Table 68.0%Crown 41.8°Girdle: MediumPavilion 38.6°Culet: NoneDepth 71.0%

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: Nov 2
Current: €8,711 EUR|Low: €1,780 EUR|High: €10,724 EUR|Avg: €5,203 EUR|+1.6%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
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Retailer 11
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Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
Retailer 21
November 3, 2026
Retailer 21€1,780 EUR
Retailer 5€1,992 EUR
Retailer 8€2,065 EUR
Retailer 18€2,166 EUR
Retailer 12€2,385 EUR
Retailer 6€2,479 EUR
Retailer 3€2,646 EUR
Retailer 16€2,838 EUR
Retailer 2€2,840 EUR
Retailer 17€2,943 EUR
Retailer 15€2,989 EUR
Retailer 9€3,913 EUR
Retailer 7€4,645 EUR
Retailer 10€5,326 EUR
Retailer 4€5,327 EUR
Retailer 13€5,896 EUR
Retailer 19€6,174 EUR
Retailer 11€6,897 EUR
Retailer 14€7,225 EUR
Retailer 20€7,555 EUR
Brilliant Earth€8,711 EUR

36 data points across 21 retailers

24 retailers€1,780 EUR to €8,711 EUR

A
Cheapest Retailer
-
€1,780 EUR
$1,996 USD
Retailer 2
-
€1,988 EUR
$2,230 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
€1,992 EUR
$2,234 USD
View
Final sale: no returns
A
Retailer 4
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€2,065 EUR
$2,316 USD
View
A
Retailer 5
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€2,166 EUR
$2,429 USD
View
A
Retailer 6
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€2,385 EUR
HK$20,900 HKD
View
A
Retailer 7
-
€2,479 EUR
$2,780 USD
View
A
Retailer 8
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€2,646 EUR
$2,968 USD
View
A
Retailer 9
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€2,838 EUR
$3,183 USD
View
A
Retailer 10
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€2,840 EUR
£2,508 GBP
View
Retailer 11
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€2,918 EUR
$3,273 USD
View
Price last confirmed 21 days ago
A
Retailer 12
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€2,943 EUR
$3,301 USD
View
A
Retailer 13
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€2,989 EUR
$3,352 USD
View
B+
Retailer 14
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€3,727 EUR
$4,180 USD
View
B+
Retailer 15
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€3,913 EUR
£3,456 GBP
View
B+
Retailer 16
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€4,645 EUR
View
B+
Retailer 17
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€5,326 EUR
$5,974 USD
View
B+
Retailer 18
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€5,327 EUR
ZAR 96,516 ZAR
View
B+
Retailer 19
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€5,896 EUR
£5,207 GBP
View
B
Retailer 20
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€6,174 EUR
$6,925 USD
View
B
Retailer 21
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€6,897 EUR
SGD 10,453 SGD
View
B
Retailer 22
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€7,225 EUR
$8,103 USD
View
B
Retailer 23
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€7,555 EUR
$8,474 USD
View
Most Expensive
B
Brilliant Earth
21583841A · Nov 2
€8,711 EUR
$9,770 USD
View
23 more retailers have this diamond
Prices start from €1,780 EURSave up to €6,931 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
2.57ct Princess
€1,780 EUR