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Round|Lab Grown|IGI

1.27ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG804637895

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804637895

Diamond specifications and retailer prices

From £136 GBP
$183 USD
As of November 1, 2026
Save £713 GBP (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £849 GBP at Reve Diamonds · As of November 1, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG804637895 or 804637895. Listed at 24 retailers as of November 1, 2026, with prices from £136 to £849, a £713 spread on the same certified stone. Reve Diamonds lists it at £849. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804637895
Dimensions7.00 × 6.92 × 4.33 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.00 mm6.92 mm1.27 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804637895
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.3%

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: Nov 1
Current: £453 GBP|Low: £135 GBP|High: £849 GBP|Avg: £399 GBP|+11.8%
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
Retailer 17
Retailer 18
Reve Diamonds
November 2, 2026
Retailer 8£136 GBP
Retailer 6£152 GBP
Retailer 17£158 GBP
Retailer 4£169 GBP
Retailer 5£169 GBP
Retailer 14£292 GBP
Retailer 18£297 GBP
Retailer 13£305 GBP
Retailer 11£325 GBP
Retailer 3£355 GBP
Retailer 2£391 GBP
Retailer 12£412 GBP
Retailer 1£453 GBP
Retailer 9£543 GBP
Retailer 10£581 GBP
Retailer 7£584 GBP
Retailer 15£633 GBP
Retailer 16£795 GBP
Reve Diamonds£849 GBP

45 data points across 19 retailers

24 retailers£136 GBP to £849 GBP

Retailer 1
-
£135 GBP
$181 USD
Price last confirmed 41 days ago
A
Retailer 2
-
£136 GBP
$183 USD
View
A
Retailer 3
-
£152 GBP
$204 USD
View
Final sale: no returns
Retailer 4
-
£156 GBP
$210 USD
View
Price last confirmed 62 days ago
A
Retailer 5
-
£158 GBP
$212 USD
View
Retailer 6
-
£165 GBP
$222 USD
View
Price last confirmed 41 days ago
A
Retailer 7
-
£169 GBP
$227 USD
View
Retailer 8
-
£169 GBP
$227 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
£292 GBP
ZAR 6,327 ZAR
View
A
Retailer 10
-
£297 GBP
$399 USD
View
A
Retailer 11
-
£305 GBP
View
A
Retailer 12
-
£317 GBP
$426 USD
View
A
Retailer 13
-
£325 GBP
€415 EUR
View
B+
Retailer 14
-
£355 GBP
$476 USD
View
B+
Retailer 15
-
£391 GBP
$525 USD
View
B+
Retailer 16
-
£412 GBP
A$851 AUD
View
B+
Retailer 17
-
£453 GBP
$608 USD
View
Retailer 18
-
£539 GBP
$723 USD
View
Price last confirmed 42 days ago
B
Retailer 19
-
£543 GBP
$729 USD
View
B
Retailer 20
-
£584 GBP
$783 USD
View
B
Retailer 21
-
£592 GBP
$795 USD
View
B
Retailer 22
-
£633 GBP
$850 USD
View
B
Retailer 23
-
£795 GBP
View
Most Expensive
B
Reve Diamonds
8DA3E624E · Nov 1
£849 GBP
$1,139 USD
View
23 more retailers have this diamond
Prices start from £136 GBPSave up to £713 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
£136 GBP