CaratHunter
Plans
Round|Lab Grown|IGI

1.27ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG841698319

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841698319

Diamond specifications and retailer prices

From £170 GBP
As of November 3, 2026
Save £756 GBP (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,459 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841698319 or 841698319. Listed at 16 retailers as of November 3, 2026, with a 446% 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

1.27
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841698319
Dimensions6.92 × 6.95 × 4.26 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
6.92 mm6.95 mm1.27 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841698319
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.5%

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: Nov 3
Current: £1,459 GBP|Low: £122 GBP|High: £1,459 GBP|Avg: £465 GBP
Do Amore Diamonds
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
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 8£158 GBP
Retailer 11£158 GBP
Retailer 3£170 GBP
Retailer 5£180 GBP
Retailer 16£196 GBP
Retailer 9£270 GBP
Retailer 18£270 GBP
Retailer 10£271 GBP
Retailer 21£357 GBP
Retailer 13£367 GBP
Retailer 20£390 GBP
Retailer 19£401 GBP
Retailer 12£524 GBP
Retailer 14£531 GBP
Retailer 6£554 GBP
Retailer 15£567 GBP
Retailer 17£677 GBP
Retailer 4£745 GBP
Retailer 2£926 GBP
Retailer 7£968 GBP
Do Amore Diamonds£1,459 GBP

19 data points across 21 retailers

16 retailers£170 GBP to £926 GBP

Retailer 1
-
£158 GBP
Price last confirmed 32 days ago
A
Retailer 2
-
£170 GBP
View
Retailer 3
-
£180 GBP
View
Price last confirmed 31 days ago
A
Retailer 4
-
£196 GBP
View
A
Retailer 5
-
£270 GBP
View
Retailer 6
-
£271 GBP
View
Price last confirmed 31 days ago
B+
Retailer 7
-
£357 GBP
View
B+
Retailer 8
-
£367 GBP
View
B+
Retailer 9
-
£390 GBP
View
Retailer 10
-
£524 GBP
View
Price last confirmed 32 days ago
B+
Retailer 11
-
£567 GBP
View
B
Retailer 12
-
£677 GBP
View
B
Retailer 13
-
£745 GBP
View
B
Retailer 14
-
£926 GBP
View
Retailer 15
-
£968 GBP
View
Price last confirmed 31 days ago
Most Expensive
Do Amore Diamonds
7-1799491 · Nov 4
£1,459 GBP
$1,970 USD
View
Price under review
15 more retailers have this diamond
Prices start from £170 GBPSave up to £756 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
£170 GBP