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Oval|Lab Grown|IGI

1.21ct G VS1 Oval Lab Grown Diamond

GD • G/VS1 • IGI LG600347630

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG600347630

Diamond specifications and retailer prices

From £202 GBP
$271 USD
As of November 1, 2026
Save £906 GBP (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,108 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.21ct lab-grown oval diamond

This 1.21ct lab-grown oval sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG600347630 or 600347630. Listed at 17 retailers as of October 31, 2026, with prices from £202 to £1,108, a £906 spread on the same certified stone. Taylor and Hart lists it at £1,108. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
G
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600347630
Dimensions8.88 × 5.87 × 3.57 mm
L/W Ratio1.51
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
8.88 mm5.87 mm1.21 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600347630
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
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: Nov 1
Current: £386 GBP|Low: £125 GBP|High: £1,108 GBP|Avg: £523 GBP|+18.9%
Retailer 1
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
Taylor and Hart
November 1, 2026
Retailer 5£193 GBP
Retailer 12£202 GBP
Retailer 2£341 GBP
Retailer 3£376 GBP
Retailer 1£386 GBP
Retailer 8£403 GBP
Retailer 7£424 GBP
Retailer 9£522 GBP
Retailer 14£530 GBP
Retailer 11£546 GBP
Retailer 6£705 GBP
Retailer 13£722 GBP
Retailer 4£872 GBP
Retailer 10£901 GBP
Taylor and Hart£1,108 GBP

42 data points across 15 retailers

17 retailers£202 GBP to £1,108 GBP

Retailer 1
-
£181 GBP
$242 USD
Price last confirmed 22 days ago
A
Retailer 2
-
£202 GBP
$271 USD
View
Final sale: no returns
Retailer 3
-
£209 GBP
$280 USD
View
Price last confirmed 23 days ago
Retailer 4
-
£224 GBP
$300 USD
View
Price last confirmed 23 days ago
B+
Retailer 5
-
£341 GBP
$457 USD
View
B+
Retailer 6
-
£376 GBP
$504 USD
View
B+
Retailer 7
-
£386 GBP
ZAR 8,361 ZAR
View
B+
Retailer 8
-
£403 GBP
€514 EUR
View
B+
Retailer 9
-
£424 GBP
View
B
Retailer 10
-
£522 GBP
$700 USD
View
B
Retailer 11
-
£530 GBP
$710 USD
View
B
Retailer 12
-
£546 GBP
A$1,125 AUD
View
Retailer 13
-
£719 GBP
$964 USD
View
Price last confirmed 23 days ago
B
Retailer 14
-
£722 GBP
$967 USD
View
B
Retailer 15
-
£872 GBP
SGD 1,579 SGD
View
B
Retailer 16
-
£901 GBP
View
Most Expensive
C
Taylor and Hart
DLUICMA · Oct 31
£1,108 GBP
$1,485 USD
View
16 more retailers have this diamond
Prices start from £202 GBPSave up to £906 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
1.21ct Oval
£202 GBP