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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 $1,600 USD
As of October 29, 2026
Save $785 USD (33%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,642 USD 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
Color
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: $3,642 USD|Low: $1,530 USD|High: $6,411 USD|Avg: $3,020 USD|-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$1,600 USD
Retailer 12$1,912 USD
Retailer 3$2,080 USD
Retailer 15$2,142 USD
Retailer 5$2,218 USD
Retailer 13$2,218 USD
Retailer 7$2,343 USD
Retailer 11$2,385 USD
Retailer 6$2,843 USD
Retailer 14$3,475 USD
Retailer 2$3,640 USD
Friendly Diamonds$3,642 USD
Retailer 8$4,077 USD
Retailer 4$4,157 USD
Retailer 9$6,368 USD

37 data points across 15 retailers

13 retailers$1,600 USD to $2,385 USD

B
Cheapest Retailer
-
$1,600 USD
B
Retailer 2
-
$1,912 USD
View
B
Retailer 3
-
$2,080 USD
View
B
Retailer 4
-
$2,142 USD
View
Final sale: no returns
B
Retailer 5
-
$2,218 USD
View
Retailer 6
-
$2,218 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$2,385 USD
View
Retailer 8
-
$3,475 USD
View
Price under review
Retailer 9
-
$3,640 USD
£2,866 GBP
View
Price under review
Most Expensive
Friendly Diamonds
1586478 · Oct 30
$3,642 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,600 USDSave up to $785 USD

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
$1,600 USD