CaratHunter
Plans
Asscher|Lab Grown|IGI

2.57ct D IF Asscher Lab Grown Diamond

VG • D/IF • IGI LG845656503

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG845656503

Diamond specifications and retailer prices

From £937 GBP
$1,255 USD
As of October 30, 2026
Save £4,019 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,956 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.57ct lab-grown asscher diamond

This 2.57ct lab-grown asscher sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG845656503 or 845656503. Listed at 14 retailers as of October 30, 2026, with prices from £937 to £4,956, a £4,019 spread on the same certified stone. Brilliant Earth lists it at £4,956. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.57
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845656503
Dimensions7.53 × 7.50 × 5.02 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
7.53 mm7.50 mm2.57 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845656503
Side View
Table 64.0%Crown 36.3°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 66.9%

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: £4,956 GBP|Low: £936 GBP|High: £6,590 GBP|Avg: £2,245 GBP|-24.8%
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
October 30, 2026
Retailer 2£937 GBP
Retailer 7£1,071 GBP
Retailer 5£1,101 GBP
Retailer 12£1,118 GBP
Retailer 8£1,403 GBP
Retailer 10£1,522 GBP
Retailer 13£1,542 GBP
Retailer 4£1,970 GBP
Retailer 9£2,503 GBP
Retailer 3£2,673 GBP
Retailer 6£2,713 GBP
Retailer 11£3,134 GBP
Retailer 14£3,242 GBP
Brilliant Earth£4,956 GBP

8 data points across 14 retailers

14 retailers£937 GBP to £4,956 GBP

A
Cheapest Retailer
-
£937 GBP
$1,255 USD
Final sale: no returns
A
Retailer 2
-
£1,071 GBP
View
A
Retailer 3
-
£1,101 GBP
$1,475 USD
View
A
Retailer 4
-
£1,118 GBP
HK$11,700 HKD
View
A
Retailer 5
-
£1,403 GBP
View
A
Retailer 6
-
£1,522 GBP
€1,942 EUR
View
A
Retailer 7
-
£1,542 GBP
$2,066 USD
View
B+
Retailer 8
-
£1,970 GBP
$2,640 USD
View
B+
Retailer 9
-
£2,503 GBP
ZAR 54,174 ZAR
View
B+
Retailer 10
-
£2,673 GBP
View
B+
Retailer 11
-
£2,713 GBP
$3,635 USD
View
B
Retailer 12
-
£3,134 GBP
View
B
Retailer 13
-
£3,242 GBP
SGD 5,871 SGD
View
Most Expensive
B
Brilliant Earth
22235664A · Oct 30
£4,956 GBP
$6,640 USD
View
13 more retailers have this diamond
Prices start from £937 GBPSave up to £4,019 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 Asscher
£937 GBP