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Round|Lab Grown|IGI

1.71ct I VVS2 Round Lab Grown Diamond

ID • I/VVS2 • IGI LG492110251

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492110251

Diamond specifications and retailer prices

From £1,194 GBP
$1,600 USD
As of October 29, 2026
Save £586 GBP (33%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,718 GBP at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1.71ct lab-grown round diamond

This 1.71ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG492110251 or 492110251. Listed at 13 retailers as of October 29, 2026, with a 49% 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
I
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492110251
Dimensions7.67 × 7.61 × 4.67 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
7.67 mm7.61 mm1.71 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492110251
Side View
Table 58.5%Crown 35.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.1%

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 29
Current: £2,718 GBP|Low: £1,142 GBP|High: £4,785 GBP|Avg: £2,254 GBP|-2.4%
Friendly Diamonds
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
Retailer 15
October 30, 2026
Retailer 10£1,194 GBP
Retailer 12£1,427 GBP
Retailer 3£1,552 GBP
Retailer 15£1,599 GBP
Retailer 5£1,655 GBP
Retailer 13£1,655 GBP
Retailer 7£1,748 GBP
Retailer 11£1,780 GBP
Retailer 6£2,122 GBP
Retailer 14£2,593 GBP
Retailer 2£2,716 GBP
Friendly Diamonds£2,718 GBP
Retailer 8£3,043 GBP
Retailer 4£3,102 GBP
Retailer 9£4,752 GBP

37 data points across 15 retailers

13 retailers£1,194 GBP to £1,780 GBP

B
Cheapest Retailer
-
£1,194 GBP
$1,600 USD
B
Retailer 2
-
£1,427 GBP
$1,912 USD
View
B
Retailer 3
-
£1,552 GBP
$2,080 USD
View
B
Retailer 4
-
£1,599 GBP
$2,142 USD
View
Final sale: no returns
B
Retailer 5
-
£1,655 GBP
$2,218 USD
View
Retailer 6
-
£1,655 GBP
$2,218 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
£1,780 GBP
$2,385 USD
View
Retailer 8
-
£2,593 GBP
$3,475 USD
View
Price under review
Retailer 9
-
£2,716 GBP
View
Price under review
Most Expensive
Friendly Diamonds
1586478 · Oct 30
£2,718 GBP
$3,642 USD
View
Price under review
9 more retailers have this diamond
Prices start from £1,194 GBPSave up to £586 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 Round
£1,194 GBP