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Round|Lab Grown|IGI

1.27ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG733583859

Shape and cutting style on the report: Round brilliant

Certificate IGI LG733583859

Diamond specifications and retailer prices

From £240 GBP
$321 USD
As of October 30, 2026
Save £999 GBP (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,239 GBP at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

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 LG733583859 or 733583859. Listed at 18 retailers as of October 29, 2026, with prices from £240 to £1,239, a £999 spread on the same certified stone. Taylor and Hart lists it at £1,239. 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 angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733583859
Dimensions7.03 × 6.99 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.03 mm6.99 mm1.27 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733583859
Side View
Table 59.0%Crown 34.8°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 60.8%

Caratlytics Score

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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 30
Current: £445 GBP|Low: £205 GBP|High: £1,077 GBP|Avg: £534 GBP|+0.2%
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
October 30, 2026
Retailer 16£214 GBP
Retailer 7£240 GBP
Retailer 6£249 GBP
Retailer 3£266 GBP
Retailer 15£347 GBP
Retailer 4£436 GBP
Retailer 1£445 GBP
Retailer 12£456 GBP
Retailer 9£468 GBP
Retailer 10£473 GBP
Retailer 11£648 GBP
Retailer 14£816 GBP
Retailer 2£821 GBP
Retailer 8£853 GBP
Retailer 5£985 GBP
Retailer 13£1,069 GBP

39 data points across 16 retailers

18 retailers£240 GBP to £1,239 GBP

Retailer 1
-
£214 GBP
$287 USD
Price last confirmed 20 days ago
A
Retailer 2
-
£240 GBP
$321 USD
View
Final sale: no returns
Retailer 3
-
£249 GBP
$333 USD
View
Price last confirmed 21 days ago
Retailer 4
-
£266 GBP
$356 USD
View
Price last confirmed 28 days ago
B+
Retailer 5
-
£345 GBP
$462 USD
View
B+
Retailer 6
-
£347 GBP
$465 USD
View
B+
Retailer 7
-
£436 GBP
$584 USD
View
B+
Retailer 8
-
£445 GBP
View
B+
Retailer 9
-
£456 GBP
ZAR 9,873 ZAR
View
B+
Retailer 10
-
£468 GBP
View
B+
Retailer 11
-
£473 GBP
€603 EUR
View
B
Retailer 12
-
£648 GBP
A$1,335 AUD
View
B
Retailer 13
-
£816 GBP
$1,093 USD
View
Retailer 14
-
£821 GBP
$1,100 USD
View
Price last confirmed 9 days ago
Retailer 15
-
£853 GBP
$1,143 USD
View
Price last confirmed 30 days ago
B
Retailer 16
-
£985 GBP
SGD 1,784 SGD
View
B
Retailer 17
-
£1,069 GBP
View
Most Expensive
B
Taylor and Hart
2DAAYCA · Oct 29
£1,239 GBP
$1,660 USD
View
17 more retailers have this diamond
Prices start from £240 GBPSave up to £999 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
£240 GBP