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Marquise|Lab Grown|IGI

1.30ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG817624269

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817624269

Diamond specifications and retailer prices

From £195 GBP
As of November 3, 2026
Save £771 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,674 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.3ct lab-grown marquise diamond

This 1.3ct 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 LG817624269 or 817624269. Listed at 18 retailers as of November 3, 2026, with a 396% 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

1.30
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817624269
Dimensions10.97 × 5.84 × 3.49 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.97 mm5.84 mm1.30 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817624269
Side View
Table 62.0%Crown 33.7°Girdle: THN-MEDPavilion 39.8°Culet: NoneDepth 59.8%

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: £1,674 GBP|Low: £195 GBP|High: £16,896 GBP|Avg: £799 GBP
Do Amore Diamonds
Retailer 2
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Retailer 20
November 4, 2026
Retailer 3£195 GBP
Retailer 8£201 GBP
Retailer 14£202 GBP
Retailer 17£216 GBP
Retailer 7£289 GBP
Retailer 2£318 GBP
Retailer 12£321 GBP
Retailer 20£322 GBP
Retailer 11£350 GBP
Retailer 19£411 GBP
Retailer 15£451 GBP
Retailer 16£584 GBP
Retailer 9£651 GBP
Retailer 10£656 GBP
Retailer 18£697 GBP
Retailer 13£767 GBP
Retailer 6£891 GBP
Retailer 4£956 GBP
Retailer 5£966 GBP
Do Amore Diamonds£1,674 GBP

36 data points across 20 retailers

18 retailers£195 GBP to £966 GBP

A
Cheapest Retailer
-
£195 GBP
Final sale: no returns
Retailer 2
-
£201 GBP
View
Price last confirmed 19 days ago
A
Retailer 3
-
£202 GBP
View
A
Retailer 4
-
£216 GBP
View
A
Retailer 5
-
£289 GBP
View
A
Retailer 6
-
£318 GBP
View
A
Retailer 7
-
£322 GBP
View
B+
Retailer 8
-
£411 GBP
View
B+
Retailer 9
-
£451 GBP
View
B+
Retailer 10
-
£584 GBP
View
Retailer 11
-
£651 GBP
View
Price last confirmed 30 days ago
Retailer 12
-
£656 GBP
View
Price last confirmed 56 days ago
B
Retailer 13
-
£697 GBP
View
B
Retailer 14
-
£767 GBP
View
B
Retailer 15
-
£891 GBP
View
B
Retailer 16
-
£956 GBP
View
B
Retailer 17
-
£966 GBP
View
Most Expensive
Do Amore Diamonds
27-BB2144194 · Nov 4
£1,674 GBP
$2,260 USD
View
Price under review
17 more retailers have this diamond
Prices start from £195 GBPSave up to £771 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
1.30ct Marquise
£195 GBP