Marquise|Lab Grown|IGI

1.28ct D VVS1 Marquise Lab Grown Diamond

ID • D/VVS1 • IGI LG849636600

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849636600

Diamond specifications and retailer prices

From £171 GBP
$229 USD
As of November 2, 2026
Save £943 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,114 GBP at Michael Trio · As of November 3, 2026
View at Michael Trio

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG849636600 or 849636600. Listed at 17 retailers as of November 2, 2026, with prices from £171 to £1,114, a £943 spread on the same certified stone. Michael Trio lists it at £1,114. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849636600
Dimensions11.72 × 5.42 × 3.33 mm
L/W Ratio2.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm5.42 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849636600
Side View
Table 61.0%Crown 40.6°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 61.4%

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 2
Current: £1,114 GBP|Low: £171 GBP|High: £1,131 GBP|Avg: £492 GBP|-1.5%
Michael Trio
Retailer 2
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November 3, 2026
Retailer 17£171 GBP
Retailer 9£192 GBP
Retailer 3£198 GBP
Retailer 10£210 GBP
Retailer 16£241 GBP
Retailer 6£287 GBP
Retailer 4£368 GBP
Retailer 11£396 GBP
Retailer 7£450 GBP
Retailer 15£484 GBP
Retailer 12£517 GBP
Retailer 14£683 GBP
Retailer 8£686 GBP
Retailer 2£714 GBP
Retailer 13£732 GBP
Retailer 5£856 GBP
Michael Trio£1,114 GBP

6 data points across 17 retailers

17 retailers£171 GBP to £1,114 GBP

A
Cheapest Retailer
-
£171 GBP
$229 USD
A
Retailer 2
-
£192 GBP
$258 USD
View
Final sale: no returns
A
Retailer 3
-
£198 GBP
$266 USD
View
A
Retailer 4
-
£210 GBP
$282 USD
View
A
Retailer 5
-
£241 GBP
View
A
Retailer 6
-
£287 GBP
$385 USD
View
A
Retailer 7
-
£368 GBP
ZAR 7,986 ZAR
View
A
Retailer 8
-
£396 GBP
View
A
Retailer 9
-
£450 GBP
$604 USD
View
A
Retailer 10
-
£484 GBP
$649 USD
View
B+
Retailer 11
-
£517 GBP
A$1,068 AUD
View
B+
Retailer 12
-
£683 GBP
$916 USD
View
B+
Retailer 13
-
£686 GBP
$920 USD
View
B+
Retailer 14
-
£714 GBP
$958 USD
View
B+
Retailer 15
-
£732 GBP
$982 USD
View
B
Retailer 16
-
£856 GBP
View
Most Expensive
B
Michael Trio
1997002116 · Nov 3
£1,114 GBP
SGD 2,020 SGD
View
16 more retailers have this diamond
Prices start from £171 GBPSave up to £943 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
1.28ct Marquise
£171 GBP