Round|Lab Grown|IGI

2.88ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG840634457

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840634457

Diamond specifications and retailer prices

From £734 GBP
$984 USD
As of October 29, 2026
Save £3,091 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,825 GBP at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 2.88ct lab-grown round diamond

This 2.88ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634457 or 840634457. Listed at 19 retailers as of October 29, 2026, with prices from £734 to £3,825, a £3,091 spread on the same certified stone. Helzberg Diamonds lists it at £3,825. 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

2.88
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634457
Dimensions9.19 × 9.12 × 5.63 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.19 mm9.12 mm2.88 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634457
Side View
Table 54.0%Crown 33.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.6%

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 29
Current: £3,825 GBP|Low: £734 GBP|High: £3,825 GBP|Avg: £1,902 GBP
Helzberg Diamonds
Retailer 2
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Retailer 19
October 30, 2026
Retailer 5£734 GBP
Retailer 7£799 GBP
Retailer 11£859 GBP
Retailer 12£1,017 GBP
Retailer 19£1,046 GBP
Retailer 13£1,310 GBP
Retailer 4£1,361 GBP
Retailer 17£1,362 GBP
Retailer 16£1,450 GBP
Retailer 3£1,597 GBP
Retailer 6£1,814 GBP
Retailer 18£1,837 GBP
Retailer 14£2,199 GBP
Retailer 2£2,608 GBP
Retailer 15£2,905 GBP
Retailer 10£2,969 GBP
Retailer 8£3,047 GBP
Retailer 9£3,282 GBP
Helzberg Diamonds£3,825 GBP

12 data points across 19 retailers

19 retailers£734 GBP to £3,825 GBP

A
Cheapest Retailer
-
£734 GBP
$984 USD
A
Retailer 2
-
£799 GBP
$1,071 USD
View
A
Retailer 3
-
£859 GBP
$1,151 USD
View
Final sale: no returns
A
Retailer 4
-
£1,017 GBP
View
A
Retailer 5
-
£1,046 GBP
$1,401 USD
View
A
Retailer 6
-
£1,310 GBP
View
A
Retailer 7
-
£1,361 GBP
$1,824 USD
View
A
Retailer 8
-
£1,362 GBP
$1,825 USD
View
A
Retailer 9
-
£1,450 GBP
€1,850 EUR
View
A
Retailer 10
-
£1,597 GBP
$2,140 USD
View
B+
Retailer 11
-
£1,814 GBP
$2,431 USD
View
B+
Retailer 12
-
£1,837 GBP
$2,461 USD
View
B+
Retailer 13
-
£2,199 GBP
ZAR 47,590 ZAR
View
B+
Retailer 14
-
£2,608 GBP
$3,495 USD
View
B+
Retailer 15
-
£2,905 GBP
View
B+
Retailer 16
-
£2,969 GBP
$3,978 USD
View
B+
Retailer 17
-
£3,047 GBP
SGD 5,517 SGD
View
B
Retailer 18
-
£3,282 GBP
$4,398 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKKLN · Oct 30
£3,825 GBP
$5,125 USD
View
18 more retailers have this diamond
Prices start from £734 GBPSave up to £3,091 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
2.88ct Round
£734 GBP