Round|Lab Grown|IGI

3.50ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG720532897

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720532897

Diamond specifications and retailer prices

From £1,229 GBP
A$2,518 AUD
As of October 29, 2026
19 retailers carry this diamond
Most expensive: £6,811 GBP at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round 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 LG720532897 or 720532897. Listed at 19 retailers as of October 29, 2026. 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

3.50
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720532897
Dimensions9.81 × 9.83 × 5.84 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.81 mm9.83 mm3.50 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720532897
Side View
Table 59.0%Crown 32.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.5%

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 29
Current: £6,811 GBP|Low: £471 GBP|High: £6,811 GBP|Avg: £1,480 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
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Retailer 18
October 29, 2026
Retailer 17£490 GBP
Retailer 6£533 GBP
Retailer 7£549 GBP
Retailer 3£568 GBP
Retailer 12£702 GBP
Retailer 10£843 GBP
Retailer 11£882 GBP
Retailer 14£883 GBP
Retailer 2£1,229 GBP
Retailer 13£1,325 GBP
Retailer 9£1,417 GBP
Retailer 16£1,662 GBP
Retailer 8£1,774 GBP
Retailer 5£1,917 GBP
Retailer 15£2,421 GBP
Retailer 18£2,929 GBP
Retailer 4£3,607 GBP
Brilliant Earth£6,811 GBP

33 data points across 18 retailers

19 retailers

A
Retailer 1
-
£490 GBP
$653 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£533 GBP
$710 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£568 GBP
$757 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
£663 GBP
HK$6,900 HKD
View
Price last confirmed 55 days ago
A
Retailer 5
-
£702 GBP
$935 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
£843 GBP
$1,122 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
£883 GBP
View
Price last confirmed 13 days ago
B+
Retailer 8
-
£1,229 GBP
A$2,518 AUD
View
B+
Retailer 9
-
£1,325 GBP
$1,764 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
£1,366 GBP
$1,819 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
£1,417 GBP
$1,887 USD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
£1,662 GBP
$2,213 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
£1,774 GBP
View
Price last confirmed 13 days ago
B
Retailer 14
-
£1,917 GBP
SGD 3,450 SGD
View
Price last confirmed 14 days ago
B
Retailer 15
-
£1,962 GBP
$2,613 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
£1,982 GBP
$2,639 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
£2,421 GBP
View
Price last confirmed 14 days ago
B
Retailer 18
-
£2,929 GBP
$3,900 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
14949282A · Oct 15
£6,811 GBP
$9,070 USD
View
Price under review
18 more retailers have this diamond
Prices start from £1,229 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
3.50ct Round
£1,229 GBP