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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 $2,842 AUD
$1,996 USD
As of October 30, 2026
Save $11,067 AUD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $13,909 AUD at Brilliant Earth · As of October 29, 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 23 retailers as of October 29, 2026, with prices from $2,842 to $13,909, a $11,067 spread on the same certified stone. Brilliant Earth lists it at $13,909. 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: Oct 30
Current: $13,909 AUD|Low: $2,842 AUD|High: $17,123 AUD|Avg: $8,098 AUD|+1.6%
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
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 19$2,842 AUD
Retailer 22$3,180 AUD
Retailer 5$3,297 AUD
Retailer 16$3,458 AUD
Retailer 10$3,808 AUD
Retailer 3$3,958 AUD
Retailer 20$4,225 AUD
Retailer 2$4,535 AUD
Retailer 15$4,659 AUD
Retailer 13$4,699 AUD
Retailer 6$6,248 AUD
Retailer 14$6,405 AUD
Retailer 12$6,719 AUD
Retailer 4$7,417 AUD
Retailer 8$8,505 AUD
Retailer 21$8,505 AUD
Retailer 7$9,465 AUD
Retailer 17$9,859 AUD
Retailer 9$11,012 AUD
Retailer 11$11,536 AUD
Retailer 18$12,064 AUD
Brilliant Earth$13,909 AUD

34 data points across 22 retailers

23 retailers$2,842 AUD to $13,909 AUD

A
Cheapest Retailer
-
$2,842 AUD
$1,996 USD
Retailer 2
-
$3,175 AUD
$2,230 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$3,180 AUD
$2,234 USD
View
Final sale: no returns
A
Retailer 4
-
$3,297 AUD
$2,316 USD
View
A
Retailer 5
-
$3,458 AUD
$2,429 USD
View
A
Retailer 6
-
$3,808 AUD
HK$20,900 HKD
View
A
Retailer 7
-
$3,958 AUD
$2,780 USD
View
A
Retailer 8
-
$4,225 AUD
$2,968 USD
View
A
Retailer 9
-
$4,535 AUD
£2,508 GBP
View
Retailer 10
-
$4,659 AUD
$3,273 USD
View
Price last confirmed 18 days ago
A
Retailer 11
-
$4,699 AUD
$3,301 USD
View
B+
Retailer 12
-
$6,248 AUD
£3,456 GBP
View
B+
Retailer 13
-
$6,405 AUD
$4,499 USD
View
B+
Retailer 14
-
$6,719 AUD
$4,720 USD
View
B+
Retailer 15
-
$7,417 AUD
€4,962 EUR
View
B+
Retailer 16
-
$8,505 AUD
$5,974 USD
View
B+
Retailer 17
-
$8,505 AUD
ZAR 96,516 ZAR
View
B+
Retailer 18
-
$9,465 AUD
£5,235 GBP
View
B
Retailer 19
-
$9,859 AUD
$6,925 USD
View
B
Retailer 20
-
$11,012 AUD
SGD 10,453 SGD
View
B
Retailer 21
-
$11,536 AUD
$8,103 USD
View
B
Retailer 22
-
$12,064 AUD
$8,474 USD
View
Most Expensive
B
Brilliant Earth
21583841A · Oct 29
$13,909 AUD
$9,770 USD
View
22 more retailers have this diamond
Prices start from $2,842 AUDSave up to $11,067 AUD

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
$2,842 AUD