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Cushion|Lab Grown|IGI

3.00ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG830637327

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830637327

Diamond specifications and retailer prices

From £398 GBP
$533 USD
As of October 31, 2026
Save £1,363 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,152 GBP at Rare Carat · As of August 31, 2026
View at Rare Carat

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830637327 or 830637327. Listed at 19 retailers as of October 31, 2026, with a 343% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.00
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830637327
Dimensions9.45 × 7.03 × 4.89 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.45 mm7.03 mm3.00 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830637327
Side View
Table 60.0%Crown 38°Girdle: STK-THKPavilion 30.5°Culet: NoneDepth 69.6%

Caratlytics Score

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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 31
Current: £591 GBP|Low: £398 GBP|High: £1,788 GBP|Avg: £1,002 GBP|-12.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 1, 2026
Retailer 5£398 GBP
Retailer 4£441 GBP
Retailer 18£530 GBP
Retailer 11£552 GBP
Retailer 1£591 GBP
Retailer 6£661 GBP
Retailer 13£661 GBP
Retailer 12£726 GBP
Retailer 16£931 GBP
Retailer 17£957 GBP
Retailer 15£1,008 GBP
Retailer 7£1,023 GBP
Retailer 10£1,397 GBP
Retailer 8£1,439 GBP
Retailer 9£1,549 GBP
Retailer 2£1,628 GBP
Retailer 3£1,649 GBP
Retailer 14£1,761 GBP

31 data points across 18 retailers

19 retailers£398 GBP to £1,761 GBP

A
Cheapest Retailer
-
£398 GBP
$533 USD
Final sale: no returns
Retailer 2
-
£441 GBP
$591 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£530 GBP
$710 USD
View
A
Retailer 4
-
£552 GBP
View
B+
Retailer 5
-
£591 GBP
$792 USD
View
A
Retailer 6
-
£661 GBP
$885 USD
View
A
Retailer 7
-
£661 GBP
€844 EUR
View
A
Retailer 8
-
£726 GBP
View
A
Retailer 9
-
£931 GBP
A$1,919 AUD
View
A
Retailer 10
-
£957 GBP
ZAR 20,712 ZAR
View
A
Retailer 11
-
£1,008 GBP
$1,350 USD
View
A
Retailer 12
-
£1,023 GBP
$1,371 USD
View
B+
Retailer 13
-
£1,397 GBP
SGD 2,530 SGD
View
B+
Retailer 14
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£1,439 GBP
$1,928 USD
View
B+
Retailer 15
-
£1,549 GBP
$2,075 USD
View
B+
Retailer 16
-
£1,628 GBP
View
B+
Retailer 17
-
£1,649 GBP
$2,210 USD
View
B+
Retailer 18
-
£1,761 GBP
A$3,630 AUD
View
Most Expensive
Rare Carat
nt16-97 · Aug 31
£2,152 GBP
$2,884 USD
View
Price last confirmed 61 days ago
18 more retailers have this diamond
Prices start from £398 GBPSave up to £1,363 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
3.00ct Cushion
£398 GBP