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Round|Lab Grown|IGI

1.44ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG628420737

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628420737

Diamond specifications and retailer prices

From £141 GBP
$189 USD
As of October 29, 2026
Save £723 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,820 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.44ct lab-grown round diamond

This 1.44ct lab-grown round 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 LG628420737 or 628420737. Listed at 22 retailers as of October 29, 2026, with a 513% 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 angle33.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628420737
Dimensions7.32 × 7.34 × 4.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.32 mm7.34 mm1.44 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628420737
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.9%

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: Oct 29
Current: £317 GBP|Low: £141 GBP|High: £864 GBP|Avg: £391 GBP|-9.3%
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Retailer 21
October 30, 2026
Retailer 4£141 GBP
Retailer 12£157 GBP
Retailer 10£163 GBP
Retailer 6£175 GBP
Retailer 21£175 GBP
Retailer 13£201 GBP
Retailer 2£237 GBP
Retailer 19£298 GBP
Retailer 17£300 GBP
Retailer 1£317 GBP
Retailer 16£323 GBP
Retailer 8£366 GBP
Retailer 5£391 GBP
Retailer 18£426 GBP
Retailer 20£447 GBP
Retailer 9£562 GBP
Retailer 14£573 GBP
Retailer 7£587 GBP
Retailer 11£602 GBP
Retailer 15£822 GBP
Retailer 3£864 GBP

39 data points across 21 retailers

22 retailers£141 GBP to £864 GBP

A
Cheapest Retailer
-
£141 GBP
$189 USD
A
Retailer 2
-
£157 GBP
$211 USD
View
Final sale: no returns
A
Retailer 3
-
£163 GBP
$219 USD
View
A
Retailer 4
-
£175 GBP
$234 USD
View
A
Retailer 5
-
£175 GBP
$234 USD
View
A
Retailer 6
-
£201 GBP
HK$2,100 HKD
View
B+
Retailer 7
-
£237 GBP
$318 USD
View
Retailer 8
-
£298 GBP
View
Price last confirmed 13 days ago
A
Retailer 9
-
£300 GBP
ZAR 6,498 ZAR
View
A
Retailer 10
-
£317 GBP
View
A
Retailer 11
-
£323 GBP
€412 EUR
View
A
Retailer 12
-
£366 GBP
$490 USD
View
B+
Retailer 13
-
£391 GBP
$524 USD
View
B+
Retailer 14
-
£426 GBP
A$879 AUD
View
B+
Retailer 15
-
£447 GBP
$599 USD
View
B+
Retailer 16
-
£562 GBP
$753 USD
View
B+
Retailer 17
-
£573 GBP
SGD 1,037 SGD
View
B+
Retailer 18
-
£587 GBP
$786 USD
View
B
Retailer 19
-
£602 GBP
$807 USD
View
B
Retailer 20
-
£822 GBP
View
B
Retailer 21
-
£864 GBP
$1,158 USD
View
Most Expensive
Queensmith
LG628420737 · Oct 27
£1,820 GBP
View
Price under review
21 more retailers have this diamond
Prices start from £141 GBPSave up to £723 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 Round
£141 GBP