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Round|Lab Grown|IGI

3.73ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG636467075

Shape and cutting style on the report: Round brilliant

Certificate IGI LG636467075

Diamond specifications and retailer prices

From £352 GBP
$469 USD
As of October 29, 2026
Save £1,149 GBP (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,743 GBP at Rare Carat · As of August 3, 2026
View at Rare Carat

About this 3.73ct lab-grown round diamond

This 3.73ct 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 LG636467075 or 636467075. Listed at 8 retailers as of October 28, 2026, with a 326% 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

3.73
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636467075
Dimensions10.07 × 10.01 × 6.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.07 mm10.01 mm3.73 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636467075
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.5%

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: £1,602 GBP|Low: £242 GBP|High: £2,696 GBP|Avg: £1,025 GBP
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
October 27, 2026
Retailer 2£352 GBP
Retailer 12£375 GBP
Retailer 7£502 GBP
Retailer 10£602 GBP
Retailer 5£617 GBP
Retailer 13£671 GBP
Retailer 14£860 GBP
Retailer 9£970 GBP
Retailer 4£1,021 GBP
Retailer 6£1,135 GBP
Retailer 11£1,446 GBP
Retailer 3£1,501 GBP
Rare Carat£1,602 GBP
Retailer 8£2,696 GBP

15 data points across 14 retailers

8 retailers£352 GBP to £1,501 GBP

A
Cheapest Retailer
-
£352 GBP
$469 USD
Final sale: no returns
B+
Retailer 2
-
£502 GBP
$668 USD
View
Retailer 3
-
£860 GBP
ZAR 18,509 ZAR
View
Price last confirmed 64 days ago
Retailer 4
-
£970 GBP
$1,292 USD
View
Price last confirmed 43 days ago
B+
Retailer 5
-
£1,135 GBP
CA$2,099 CAD
View
B
Retailer 6
-
£1,501 GBP
$1,999 USD
View
Retailer 7
-
£1,602 GBP
$2,134 USD
View
Price last confirmed 50 days ago
Most Expensive
Rare Carat
636467075 · Aug 3
£1,743 GBP
$2,322 USD
View
Price last confirmed 87 days ago
7 more retailers have this diamond
Prices start from £352 GBPSave up to £1,149 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
3.73ct Round
£352 GBP