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Princess|Lab Grown|IGI

2.57ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG836620519

Shape and cutting style on the report: Princess cut

Certificate IGI LG836620519

Diamond specifications and retailer prices

From £1,275 GBP
$1,708 USD
As of October 30, 2026
Save £4,770 GBP (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £6,045 GBP at With Clarity · As of October 31, 2026
View at With Clarity

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 LG836620519 or 836620519. Listed at 20 retailers as of October 30, 2026, with prices from £1,275 to £6,045, a £4,770 spread on the same certified stone. With Clarity lists it at £6,045. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620519
Dimensions7.45 × 7.33 × 5.35 mm
L/W Ratio1.02
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
7.45 mm7.33 mm2.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620519
Side View
Table 65.0%Crown 44.6°Girdle: MediumPavilion 37.9°Culet: NoneDepth 73.0%

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: Oct 30
Current: £4,222 GBP|Low: £1,275 GBP|High: £7,269 GBP|Avg: £3,048 GBP|-8.3%
Retailer 1
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
With Clarity
November 1, 2026
Retailer 16£1,275 GBP
Retailer 14£1,387 GBP
Retailer 7£1,478 GBP
Retailer 10£1,581 GBP
Retailer 17£1,605 GBP
Retailer 11£2,096 GBP
Retailer 18£2,144 GBP
Retailer 15£2,322 GBP
Retailer 6£2,327 GBP
Retailer 13£2,617 GBP
Retailer 5£2,771 GBP
Retailer 2£3,060 GBP
Retailer 9£3,176 GBP
Retailer 12£3,814 GBP
Retailer 4£3,852 GBP
Retailer 1£4,222 GBP
Retailer 8£4,508 GBP
Retailer 3£5,186 GBP
With Clarity£6,045 GBP

29 data points across 19 retailers

20 retailers£1,275 GBP to £6,045 GBP

A
Cheapest Retailer
-
£1,275 GBP
$1,708 USD
A
Retailer 2
-
£1,387 GBP
$1,858 USD
View
A
Retailer 3
-
£1,478 GBP
$1,981 USD
View
Retailer 4
-
£1,505 GBP
$2,016 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
£1,581 GBP
$2,119 USD
View
Final sale: no returns
A
Retailer 6
-
£1,605 GBP
$2,150 USD
View
A
Retailer 7
-
£2,096 GBP
View
A
Retailer 8
-
£2,144 GBP
$2,873 USD
View
A
Retailer 9
-
£2,322 GBP
$3,111 USD
View
A
Retailer 10
-
£2,327 GBP
$3,118 USD
View
A
Retailer 11
-
£2,617 GBP
€3,340 EUR
View
A
Retailer 12
-
£2,771 GBP
$3,713 USD
View
A
Retailer 13
-
£3,060 GBP
View
A
Retailer 14
-
£3,176 GBP
$4,255 USD
View
B+
Retailer 15
-
£3,814 GBP
ZAR 82,561 ZAR
View
B+
Retailer 16
-
£3,852 GBP
$5,161 USD
View
B+
Retailer 17
-
£4,222 GBP
View
B+
Retailer 18
-
£4,508 GBP
$6,040 USD
View
B+
Retailer 19
-
£5,186 GBP
$6,949 USD
View
Most Expensive
B
With Clarity
836620519 · Oct 31
£6,045 GBP
$8,099 USD
View
19 more retailers have this diamond
Prices start from £1,275 GBPSave up to £4,770 GBP

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
£1,275 GBP