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Round|Lab Grown|IGI

1.71ct J VS2 Round Lab Grown Diamond

EX • J/VS2 • IGI LG451056231

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451056231

Diamond specifications and retailer prices

From €913 EUR
$1,020 USD
As of October 31, 2026
Save €3,249 EUR (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,162 EUR at MOH London · As of October 29, 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 J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451056231 or 451056231. Listed at 11 retailers as of October 29, 2026, with prices from €913 to €4,162, a €3,249 spread on the same certified stone. MOH London lists it at €4,162. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
J
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056231
Dimensions7.88 × 7.86 × 4.60 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.88 mm7.86 mm1.71 ctJ / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056231
Side View
Table 59.0%Crown 31.7°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 58.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €4,162 EUR|Low: €913 EUR|High: €4,195 EUR|Avg: €2,214 EUR|+0.5%
MOH London
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
October 30, 2026
Retailer 2€913 EUR
Retailer 7€1,250 EUR
Retailer 10€1,360 EUR
Retailer 12€1,398 EUR
Retailer 8€1,449 EUR
Retailer 13€1,602 EUR
Retailer 5€1,921 EUR
Retailer 3€1,986 EUR
Retailer 9€2,289 EUR
Retailer 14€2,631 EUR
Retailer 11€2,717 EUR
Retailer 6€3,244 EUR
Retailer 4€4,149 EUR
MOH London€4,162 EUR

15 data points across 14 retailers

11 retailers€913 EUR to €4,162 EUR

A
Cheapest Retailer
-
€913 EUR
$1,020 USD
A
Retailer 2
-
€1,250 EUR
$1,396 USD
View
A
Retailer 3
-
€1,360 EUR
$1,519 USD
View
A
Retailer 4
-
€1,398 EUR
$1,562 USD
View
Final sale: no returns
Retailer 5
-
€1,449 EUR
$1,619 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€1,449 EUR
$1,619 USD
View
B+
Retailer 7
-
€1,602 EUR
$1,790 USD
View
B
Retailer 8
-
€2,289 EUR
$2,557 USD
View
B
Retailer 9
-
€2,631 EUR
$2,939 USD
View
B
Retailer 10
-
€2,717 EUR
$3,035 USD
View
Most Expensive
B
MOH London
LG451056231 · Oct 29
€4,162 EUR
£3,661 GBP
View
10 more retailers have this diamond
Prices start from €913 EURSave up to €3,249 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.

A
1.71ct Round
€913 EUR