Oval|Lab Grown|IGI

1.71ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG577389627

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG577389627

Diamond specifications and retailer prices

From £1,299 GBP
$1,740 USD
As of October 30, 2026
Save £813 GBP (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,106 GBP at Loose Grown Diamond · As of October 26, 2026
View at Loose Grown Diamond

About this 1.71ct lab-grown oval diamond

This 1.71ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577389627 or 577389627. Listed at 14 retailers as of October 30, 2026, with a 63% 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

1.71
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577389627
Dimensions9.53 × 6.75 × 4.23 mm
L/W Ratio1.41
Girdle conditionFaceted
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
9.53 mm6.75 mm1.71 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577389627
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

Caratlytics Score

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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 30
Current: £3,106 GBP|Low: £1,299 GBP|High: £5,473 GBP|Avg: £3,027 GBP|+0.6%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3£1,299 GBP
Retailer 6£1,716 GBP
Retailer 8£1,922 GBP
Retailer 10£2,112 GBP
Retailer 2£2,741 GBP
Retailer 5£3,050 GBP
Loose Grown Diamond£3,106 GBP
Retailer 9£3,776 GBP
Retailer 7£5,315 GBP
Retailer 4£5,429 GBP

40 data points across 10 retailers

14 retailers£1,299 GBP to £2,112 GBP

B
Cheapest Retailer
-
£1,299 GBP
$1,740 USD
B
Retailer 2
-
£1,716 GBP
$2,299 USD
View
B
Retailer 3
-
£1,867 GBP
$2,501 USD
View
B
Retailer 4
-
£1,922 GBP
$2,575 USD
View
Final sale: no returns
B
Retailer 5
-
£1,990 GBP
$2,667 USD
View
Retailer 6
-
£1,990 GBP
$2,667 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
£2,112 GBP
$2,830 USD
View
Retailer 8
-
£2,736 GBP
$3,666 USD
View
Price under review
Retailer 9
-
£2,741 GBP
View
Price under review
Retailer 10
-
£3,050 GBP
$4,087 USD
View
Price under review
Most Expensive
Loose Grown Diamond
577389627 · Oct 26
£3,106 GBP
$4,162 USD
View
Price under review
10 more retailers have this diamond
Prices start from £1,299 GBPSave up to £813 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
1.71ct Oval
£1,299 GBP