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Round|Lab Grown|IGI

1.25ct E VS2 Round Lab Grown Diamond

ID • E/VS2 • IGI LG818636356

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818636356

Diamond specifications and retailer prices

From £128 GBP
$170 USD
As of October 29, 2026
Save £697 GBP (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £825 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818636356 or 818636356. Listed at 21 retailers as of October 28, 2026, with prices from £128 to £825, a £697 spread on the same certified stone. Reve Diamonds lists it at £825. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818636356
Dimensions6.99 × 6.96 × 4.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm6.96 mm1.25 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818636356
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £277 GBP|Low: £123 GBP|High: £825 GBP|Avg: £351 GBP|+0.6%
Retailer 1
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
Reve Diamonds
October 29, 2026
Retailer 18£128 GBP
Retailer 7£142 GBP
Retailer 10£148 GBP
Retailer 4£158 GBP
Retailer 5£158 GBP
Retailer 11£275 GBP
Retailer 1£277 GBP
Retailer 13£280 GBP
Retailer 8£284 GBP
Retailer 2£307 GBP
Retailer 15£376 GBP
Retailer 16£380 GBP
Retailer 6£403 GBP
Retailer 17£411 GBP
Retailer 12£504 GBP
Retailer 9£509 GBP
Retailer 3£550 GBP
Retailer 14£741 GBP
Reve Diamonds£825 GBP

42 data points across 19 retailers

21 retailers£128 GBP to £825 GBP

A
Cheapest Retailer
-
£128 GBP
$170 USD
A
Retailer 2
-
£142 GBP
$189 USD
View
Final sale: no returns
A
Retailer 3
-
£148 GBP
$197 USD
View
A
Retailer 4
-
£158 GBP
$210 USD
View
A
Retailer 5
-
£158 GBP
$210 USD
View
A
Retailer 6
-
£275 GBP
View
A
Retailer 7
-
£277 GBP
€351 EUR
View
A
Retailer 8
-
£280 GBP
View
A
Retailer 9
-
£284 GBP
$377 USD
View
B+
Retailer 10
-
£307 GBP
$408 USD
View
B+
Retailer 11
-
£357 GBP
A$730 AUD
View
Price last confirmed 71 days ago
B+
Retailer 12
-
£376 GBP
A$768 AUD
View
B+
Retailer 13
-
£380 GBP
$505 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
£403 GBP
$536 USD
View
B
Retailer 15
-
£411 GBP
$546 USD
View
B+
Retailer 16
-
£504 GBP
$670 USD
View
B
Retailer 17
-
£509 GBP
$676 USD
View
B
Retailer 18
-
£547 GBP
SGD 982 SGD
View
B
Retailer 19
-
£550 GBP
$731 USD
View
B
Retailer 20
-
£741 GBP
View
Most Expensive
B
Reve Diamonds
85E0CF1C4 · Oct 28
£825 GBP
$1,097 USD
View
20 more retailers have this diamond
Prices start from £128 GBPSave up to £697 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
1.25ct Round
£128 GBP