Emerald|Lab Grown|IGI

1.51ct E VS1 Emerald Lab Grown Diamond

ID • E/VS1 • IGI LG630456436

Shape and cutting style on the report: Emerald cut

Certificate IGI LG630456436

Diamond specifications and retailer prices

From £202 GBP
$271 USD
As of October 30, 2026
Save £789 GBP (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,425 GBP at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG630456436 or 630456436. Listed at 25 retailers as of October 30, 2026, with a 390% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630456436
Dimensions5.64 × 5.64 × 7.93 mm
L/W Ratio1.00
Culet sizeLong
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
5.64 mm5.64 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630456436
Side View
Table 67.0%Crown 35.4°Girdle: MediumPavilion 39.8°Culet: LNGDepth 63.8%

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: £1,425 GBP|Low: £174 GBP|High: £1,500 GBP|Avg: £473 GBP|-5.0%
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
October 30, 2026
Retailer 15£181 GBP
Retailer 2£202 GBP
Retailer 4£224 GBP
Retailer 5£224 GBP
Retailer 7£302 GBP
Retailer 9£373 GBP
Retailer 11£385 GBP
Retailer 6£411 GBP
Retailer 8£424 GBP
Retailer 12£522 GBP
Retailer 14£558 GBP
Retailer 10£662 GBP
Retailer 3£813 GBP
Retailer 13£899 GBP
Brilliant Earth£1,425 GBP

42 data points across 15 retailers

25 retailers£202 GBP to £991 GBP

Retailer 1
-
£181 GBP
$242 USD
Price last confirmed 11 days ago
A
Retailer 2
-
£202 GBP
$271 USD
View
Final sale: no returns
Retailer 3
-
£210 GBP
$281 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£224 GBP
$300 USD
View
Price last confirmed 11 days ago
Retailer 5
-
£224 GBP
$300 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£248 GBP
HK$2,600 HKD
View
B+
Retailer 7
-
£302 GBP
$405 USD
View
A
Retailer 8
-
£373 GBP
€476 EUR
View
A
Retailer 9
-
£385 GBP
ZAR 8,336 ZAR
View
A
Retailer 10
-
£387 GBP
$518 USD
View
B+
Retailer 11
-
£411 GBP
$551 USD
View
A
Retailer 12
-
£424 GBP
View
B+
Retailer 13
-
£522 GBP
A$1,077 AUD
View
Retailer 14
-
£527 GBP
A$1,087 AUD
View
Price last confirmed 12 days ago
Retailer 15
-
£558 GBP
$747 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
£563 GBP
$755 USD
View
B+
Retailer 17
-
£662 GBP
A$1,364 AUD
View
Retailer 18
-
£720 GBP
$965 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
£725 GBP
SGD 1,312 SGD
View
B
Retailer 20
-
£759 GBP
$1,017 USD
View
B
Retailer 21
-
£813 GBP
$1,089 USD
View
B
Retailer 22
-
£899 GBP
View
B
Retailer 23
-
£911 GBP
$1,221 USD
View
B
Retailer 24
-
£991 GBP
$1,328 USD
View
Most Expensive
Brilliant Earth
9989321A · Oct 18
£1,425 GBP
$1,910 USD
View
Price last confirmed 12 days ago
24 more retailers have this diamond
Prices start from £202 GBPSave up to £789 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
1.51ct Emerald
£202 GBP