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Round|Lab Grown|IGI

3.53ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG619433140

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619433140

Diamond specifications and retailer prices

From £1,052 GBP
CA$1,957 CAD
As of October 30, 2026
Save £339 GBP (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,429 GBP at Rare Carat · As of August 23, 2026
View at Rare Carat

About this 3.53ct lab-grown round diamond

This 3.53ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG619433140 or 619433140. Listed at 4 retailers as of October 30, 2026, with a 32% 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

3.53
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619433140
Dimensions9.85 × 9.79 × 5.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.85 mm9.79 mm3.53 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619433140
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,429 GBP|Low: £205 GBP|High: £2,523 GBP|Avg: £1,009 GBP|-15.3%
Rare Carat
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
August 26, 2026
Retailer 12£442 GBP
Retailer 9£500 GBP
Retailer 5£534 GBP
Retailer 2£574 GBP
Retailer 4£645 GBP
Retailer 6£730 GBP
Retailer 7£812 GBP
Retailer 8£909 GBP
Retailer 13£983 GBP
Retailer 3£1,052 GBP
Retailer 11£1,363 GBP
Retailer 14£1,391 GBP
Rare Carat£1,429 GBP
Retailer 10£2,523 GBP

56 data points across 14 retailers

4 retailers£1,052 GBP to £1,391 GBP

Retailer 1
-
£812 GBP
ZAR 17,580 ZAR
Price last confirmed 66 days ago
B+
Retailer 2
-
£1,052 GBP
CA$1,957 CAD
View
B
Retailer 3
-
£1,391 GBP
$1,864 USD
View
Most Expensive
Rare Carat
100753292412_l_619433140 · Aug 23
£1,429 GBP
$1,915 USD
View
Price last confirmed 68 days ago
3 more retailers have this diamond
Prices start from £1,052 GBPSave up to £339 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.

B+
3.53ct Round
£1,052 GBP