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Round|Lab Grown|IGI

1.04ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG375939533

Shape and cutting style on the report: Round brilliant

Certificate IGI LG375939533

Diamond specifications and retailer prices

From £611 GBP
$820 USD
As of October 31, 2026
Save £708 GBP (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,190 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 1.04ct lab-grown round diamond

This 1.04ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG375939533 or 375939533. Listed at 14 retailers as of October 31, 2026, with a 116% 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

1.04
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG375939533
Dimensions6.50 × 6.52 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
6.50 mm6.52 mm1.04 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG375939533
Side View
Table 58.0%Crown 34.7°GirdlePavilion 40.9°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £2,190 GBP|Low: £611 GBP|High: £3,449 GBP|Avg: £1,730 GBP|+2.7%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8£611 GBP
Retailer 7£1,027 GBP
Retailer 4£1,118 GBP
Retailer 3£1,150 GBP
Retailer 9£1,192 GBP
Retailer 11£1,192 GBP
Retailer 10£1,882 GBP
Retailer 6£2,037 GBP
Cape Diamonds£2,190 GBP
Retailer 12£2,233 GBP
Retailer 5£2,871 GBP
Retailer 2£3,403 GBP

43 data points across 12 retailers

14 retailers£611 GBP to £1,319 GBP

B
Cheapest Retailer
-
£611 GBP
$820 USD
B
Retailer 2
-
£1,027 GBP
$1,378 USD
View
B
Retailer 3
-
£1,118 GBP
$1,500 USD
View
B
Retailer 4
-
£1,150 GBP
$1,543 USD
View
Final sale: no returns
Retailer 5
-
£1,192 GBP
$1,599 USD
View
Price last confirmed 21 days ago
B
Retailer 6
-
£1,192 GBP
$1,599 USD
View
B
Retailer 7
-
£1,319 GBP
$1,770 USD
View
Retailer 8
-
£1,882 GBP
$2,526 USD
View
Price under review
Retailer 9
-
£2,037 GBP
€2,603 EUR
View
Price under review
Retailer 10
-
£2,163 GBP
$2,902 USD
View
Price under review
Most Expensive
Cape Diamonds
cert_375939533 · Oct 29
£2,190 GBP
ZAR 47,485 ZAR
View
Price under review
10 more retailers have this diamond
Prices start from £611 GBPSave up to £708 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
1.04ct Round
£611 GBP