CaratHunter
Plans
Emerald|Lab Grown|IGI

1.03ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG717508590

Shape and cutting style on the report: Emerald cut

Certificate IGI LG717508590

Diamond specifications and retailer prices

From £129 GBP
$172 USD
As of October 27, 2026
Save £1,125 GBP (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,254 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.03ct lab-grown emerald diamond

This 1.03ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG717508590 or 717508590. Listed at 20 retailers as of October 27, 2026, with prices from £129 to £1,254, a £1,125 spread on the same certified stone. Brilliant Earth lists it at £1,254. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717508590
Dimensions7.00 × 7.00 × 4.68 mm
L/W Ratio1.00
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm7.00 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717508590
Side View
Table 66.0%Crown 36.8°Girdle: MediumPavilion 40°Culet: LargeDepth 67.7%

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 27
Current: £1,254 GBP|Low: £127 GBP|High: £1,307 GBP|Avg: £443 GBP|-4.0%
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
October 29, 2026
Retailer 6£129 GBP
Retailer 12£150 GBP
Retailer 3£161 GBP
Retailer 9£161 GBP
Retailer 18£164 GBP
Retailer 14£272 GBP
Retailer 16£276 GBP
Retailer 13£286 GBP
Retailer 4£287 GBP
Retailer 19£393 GBP
Retailer 7£398 GBP
Retailer 20£412 GBP
Retailer 8£429 GBP
Retailer 11£516 GBP
Retailer 2£571 GBP
Retailer 17£580 GBP
Retailer 15£754 GBP
Retailer 5£830 GBP
Retailer 10£835 GBP
Brilliant Earth£1,254 GBP

32 data points across 20 retailers

20 retailers£129 GBP to £1,254 GBP

A
Cheapest Retailer
-
£129 GBP
$172 USD
A
Retailer 2
-
£150 GBP
$200 USD
View
A
Retailer 3
-
£161 GBP
$214 USD
View
A
Retailer 4
-
£161 GBP
$214 USD
View
A
Retailer 5
-
£164 GBP
$218 USD
View
Final sale: no returns
A
Retailer 6
-
£272 GBP
€345 EUR
View
A
Retailer 7
-
£276 GBP
ZAR 5,931 ZAR
View
A
Retailer 8
-
£286 GBP
View
A
Retailer 9
-
£287 GBP
$382 USD
View
A
Retailer 10
-
£393 GBP
A$805 AUD
View
A
Retailer 11
-
£398 GBP
$530 USD
View
B+
Retailer 12
-
£412 GBP
$548 USD
View
B+
Retailer 13
-
£429 GBP
$571 USD
View
B+
Retailer 14
-
£516 GBP
$687 USD
View
B+
Retailer 15
-
£571 GBP
$760 USD
View
B+
Retailer 16
-
£580 GBP
A$1,188 AUD
View
B+
Retailer 17
-
£754 GBP
View
B
Retailer 18
-
£830 GBP
$1,106 USD
View
B
Retailer 19
-
£835 GBP
View
Most Expensive
B
Brilliant Earth
16402375A · Oct 29
£1,254 GBP
$1,670 USD
View
19 more retailers have this diamond
Prices start from £129 GBPSave up to £1,125 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
1.03ct Emerald
£129 GBP