CaratHunter
Plans
Marquise|Lab Grown|IGI

1.27ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG814623889

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG814623889

Diamond specifications and retailer prices

From £316 GBP
As of November 3, 2026
Save £1,164 GBP (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,748 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.27ct lab-grown marquise diamond

This 1.27ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG814623889 or 814623889. Listed at 15 retailers as of November 3, 2026, with a 368% 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
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814623889
Dimensions11.51 × 5.62 × 3.49 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.51 mm5.62 mm1.27 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814623889
Side View
Table 59.0%Crown 34°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 62.1%

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: £700 GBP|Low: £316 GBP|High: £1,748 GBP|Avg: £777 GBP|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 3£316 GBP
Retailer 2£348 GBP
Retailer 9£496 GBP
Retailer 8£499 GBP
Retailer 4£549 GBP
Retailer 1£700 GBP
Retailer 10£730 GBP
Retailer 5£736 GBP
Retailer 12£1,001 GBP
Retailer 7£1,040 GBP
Retailer 11£1,372 GBP
Retailer 6£1,568 GBP

43 data points across 12 retailers

15 retailers£316 GBP to £1,481 GBP

A
Cheapest Retailer
-
£316 GBP
A
Retailer 2
-
£348 GBP
View
Final sale: no returns
B+
Retailer 3
-
£496 GBP
View
B+
Retailer 4
-
£499 GBP
View
B+
Retailer 5
-
£549 GBP
View
B+
Retailer 6
-
£700 GBP
View
Retailer 7
-
£730 GBP
View
Price last confirmed 30 days ago
B
Retailer 8
-
£736 GBP
View
B
Retailer 9
-
£1,001 GBP
View
B
Retailer 10
-
£1,040 GBP
View
B
Retailer 11
-
£1,372 GBP
View
B
Retailer 12
-
£1,399 GBP
View
B
Retailer 13
-
£1,481 GBP
View
Retailer 14
-
£1,568 GBP
View
Price under review
Most Expensive
Do Amore Diamonds
31-LG7680129 · Nov 4
£1,748 GBP
$2,360 USD
View
Price under review
14 more retailers have this diamond
Prices start from £316 GBPSave up to £1,164 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 Marquise
£316 GBP