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Marquise|Lab Grown|IGI

1.44ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG840647689

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840647689

Diamond specifications and retailer prices

From £149 GBP
$200 USD
As of October 27, 2026
Save £716 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,325 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1.44ct lab-grown marquise diamond

This 1.44ct 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 LG840647689 or 840647689. Listed at 21 retailers as of October 26, 2026, with a 480% 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

1.44
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840647689
Dimensions11.44 × 5.85 × 3.74 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm5.85 mm1.44 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840647689
Side View
Table 62.0%Crown 40.6°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
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: Oct 27
Current: £1,325 GBP|Low: £149 GBP|High: £1,325 GBP|Avg: £513 GBP
Helzberg Diamonds
Retailer 2
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Retailer 22
October 27, 2026
Retailer 4£149 GBP
Retailer 9£167 GBP
Retailer 3£173 GBP
Retailer 18£185 GBP
Retailer 21£185 GBP
Retailer 13£248 GBP
Retailer 12£250 GBP
Retailer 2£317 GBP
Retailer 16£337 GBP
Retailer 20£345 GBP
Retailer 8£431 GBP
Retailer 17£452 GBP
Retailer 6£466 GBP
Retailer 19£594 GBP
Retailer 5£596 GBP
Retailer 14£603 GBP
Retailer 7£627 GBP
Retailer 10£634 GBP
Retailer 15£720 GBP
Retailer 11£746 GBP
Retailer 22£865 GBP
Helzberg Diamonds£1,325 GBP

26 data points across 22 retailers

21 retailers£149 GBP to £865 GBP

A
Cheapest Retailer
-
£149 GBP
$200 USD
Retailer 2
-
£173 GBP
$232 USD
View
Price last confirmed 7 days ago
Retailer 3
-
£185 GBP
$248 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£185 GBP
$248 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£248 GBP
View
Retailer 6
-
£250 GBP
$335 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
£317 GBP
ZAR 6,872 ZAR
View
A
Retailer 8
-
£337 GBP
View
A
Retailer 9
-
£345 GBP
€440 EUR
View
A
Retailer 10
-
£431 GBP
$577 USD
View
A
Retailer 11
-
£452 GBP
A$931 AUD
View
A
Retailer 12
-
£466 GBP
$624 USD
View
Retailer 13
-
£594 GBP
$796 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£596 GBP
$799 USD
View
B+
Retailer 15
-
£603 GBP
SGD 1,092 SGD
View
B+
Retailer 16
-
£627 GBP
$840 USD
View
B+
Retailer 17
-
£634 GBP
$850 USD
View
Retailer 18
-
£720 GBP
A$1,485 AUD
View
Price last confirmed 30 days ago
Retailer 19
-
£746 GBP
$1,000 USD
View
Price last confirmed 11 days ago
B
Retailer 20
-
£865 GBP
View
Most Expensive
Helzberg Diamonds
ZXZOKGMKNMOP · Oct 13
£1,325 GBP
$1,775 USD
View
Price last confirmed 19 days ago
20 more retailers have this diamond
Prices start from £149 GBPSave up to £716 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
1.44ct Marquise
£149 GBP