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Round|Lab Grown|IGI

1.27ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG628496301

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628496301

Diamond specifications and retailer prices

From £146 GBP
$195 USD
As of October 29, 2026
Save £733 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £878 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG628496301 or 628496301. Listed at 17 retailers as of October 29, 2026, with prices from £146 to £878, a £733 spread on the same certified stone. Reve Diamonds lists it at £878. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628496301
Dimensions6.99 × 6.95 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.99 mm6.95 mm1.27 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628496301
Side View
Table 59.0%Crown 34.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

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: £302 GBP|Low: £146 GBP|High: £878 GBP|Avg: £372 GBP|-8.9%
Retailer 1
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
Reve Diamonds
October 30, 2026
Retailer 5£146 GBP
Retailer 16£162 GBP
Retailer 2£169 GBP
Retailer 15£180 GBP
Retailer 8£197 GBP
Retailer 1£302 GBP
Retailer 12£309 GBP
Retailer 11£315 GBP
Retailer 13£321 GBP
Retailer 9£328 GBP
Retailer 10£421 GBP
Retailer 3£440 GBP
Retailer 14£579 GBP
Retailer 4£619 GBP
Retailer 7£637 GBP
Retailer 6£791 GBP
Reve Diamonds£878 GBP

44 data points across 17 retailers

17 retailers£146 GBP to £878 GBP

A
Cheapest Retailer
-
£146 GBP
$195 USD
A
Retailer 2
-
£162 GBP
$217 USD
View
Final sale: no returns
A
Retailer 3
-
£169 GBP
$226 USD
View
A
Retailer 4
-
£180 GBP
$241 USD
View
A
Retailer 5
-
£197 GBP
$264 USD
View
A
Retailer 6
-
£302 GBP
View
A
Retailer 7
-
£309 GBP
ZAR 6,698 ZAR
View
A
Retailer 8
-
£315 GBP
$422 USD
View
A
Retailer 9
-
£321 GBP
$430 USD
View
A
Retailer 10
-
£328 GBP
View
B+
Retailer 11
-
£421 GBP
$564 USD
View
B+
Retailer 12
-
£440 GBP
A$906 AUD
View
B
Retailer 13
-
£579 GBP
$776 USD
View
B
Retailer 14
-
£619 GBP
$830 USD
View
B
Retailer 15
-
£637 GBP
$853 USD
View
B
Retailer 16
-
£791 GBP
View
Most Expensive
B
Reve Diamonds
6130E7C27 · Oct 30
£878 GBP
$1,177 USD
View
16 more retailers have this diamond
Prices start from £146 GBPSave up to £733 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
1.27ct Round
£146 GBP