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 €2,186 EUR
As of November 5, 2026
Save €2,490 EUR (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €6,773 EUR 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
Colour
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: €6,773 EUR|Low: €2,099 EUR|High: €6,882 EUR|Avg: €3,836 EUR|-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€2,186 EUR
Retailer 9€2,379 EUR
Retailer 7€2,537 EUR
Retailer 4€2,682 EUR
Retailer 11€3,177 EUR
Retailer 10€3,486 EUR
Retailer 5€3,803 EUR
Retailer 8€3,953 EUR
Retailer 2€4,677 EUR
Retailer 3€5,676 EUR
MOH London€6,773 EUR

21 data points across 11 retailers

10 retailers€2,186 EUR to €4,677 EUR

B+
Cheapest Retailer
-
€2,186 EUR
B
Retailer 2
-
€2,379 EUR
View
B
Retailer 3
-
€2,537 EUR
View
Retailer 4
-
€2,537 EUR
View
Price last confirmed 25 days ago
B
Retailer 5
-
€2,682 EUR
View
B
Retailer 6
-
€3,486 EUR
View
B
Retailer 7
-
€3,803 EUR
View
B
Retailer 8
-
€3,953 EUR
View
B
Retailer 9
-
€4,677 EUR
View
Most Expensive
MOH London
LG492122434 · Nov 5
€6,773 EUR
£5,986 GBP
View
Price under review
9 more retailers have this diamond
Prices start from €2,186 EURSave up to €2,490 EUR

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
€2,186 EUR