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Round|Lab Grown|IGI

1.71ct K VS1 Round Lab Grown Diamond

ID • K/VS1 • IGI LG492122434

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492122434

Diamond specifications and retailer prices

From $2,454 USD
As of November 5, 2026
Save $2,795 USD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,602 USD at MOH London · As of November 5, 2026
View at MOH London

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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492122434 or 492122434. Listed at 10 retailers as of November 3, 2026, with a 114% 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
K
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492122434
Dimensions7.76 × 7.79 × 4.65 mm
L/W Ratio1.00
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
7.76 mm7.79 mm1.71 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492122434
Side View
Table 56.0%Crown 33°GirdlePavilion 40.3°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,602 USD|Low: $2,356 USD|High: $7,724 USD|Avg: $4,305 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$2,454 USD
Retailer 9$2,670 USD
Retailer 7$2,847 USD
Retailer 4$3,010 USD
Retailer 11$3,566 USD
Retailer 10$3,913 USD
Retailer 5$4,268 USD
Retailer 8$4,437 USD
Retailer 2$5,249 USD
Retailer 3$6,371 USD
MOH London$7,602 USD

21 data points across 11 retailers

10 retailers$2,454 USD to $5,249 USD

B+
Cheapest Retailer
-
$2,454 USD
B
Retailer 2
-
$2,670 USD
View
B
Retailer 3
-
$2,847 USD
View
Retailer 4
-
$2,847 USD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$3,010 USD
View
B
Retailer 6
-
$3,913 USD
View
B
Retailer 7
-
$4,268 USD
View
B
Retailer 8
-
$4,437 USD
View
B
Retailer 9
-
$5,249 USD
View
Most Expensive
MOH London
LG492122434 · Nov 5
$7,602 USD
£5,986 GBP
View
Price under review
9 more retailers have this diamond
Prices start from $2,454 USDSave up to $2,795 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
$2,454 USD