CaratHunter
Plans
Oval|Lab Grown|IGI

1.71ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG447001992

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001992

Diamond specifications and retailer prices

From €761 EUR
$850 USD
As of October 29, 2026
Save €3,126 EUR (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,887 EUR at MOH London · As of October 27, 2026
View at MOH London

About this 1.71ct lab-grown oval diamond

This 1.71ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001992 or 447001992. Listed at 10 retailers as of October 27, 2026, with prices from €761 to €3,887, a €3,126 spread on the same certified stone. MOH London lists it at €3,887. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.71
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001992
Dimensions9.23 × 6.82 × 4.21 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.23 mm6.82 mm1.71 ctJ / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001992
Side View
Table 59.5%Crown 35.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.7%

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 29
Current: €3,887 EUR|Low: €761 EUR|High: €3,929 EUR|Avg: €1,828 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 4€761 EUR
Retailer 2€1,042 EUR
Retailer 8€1,133 EUR
Retailer 9€1,165 EUR
Retailer 5€1,208 EUR
Retailer 11€1,725 EUR
Retailer 6€1,919 EUR
Retailer 7€2,265 EUR
Retailer 10€2,381 EUR
Retailer 3€2,704 EUR
MOH London€3,887 EUR

14 data points across 11 retailers

10 retailers€761 EUR to €3,887 EUR

A
Cheapest Retailer
-
€761 EUR
$850 USD
B+
Retailer 2
-
€1,042 EUR
$1,164 USD
View
B+
Retailer 3
-
€1,133 EUR
$1,266 USD
View
B+
Retailer 4
-
€1,165 EUR
$1,302 USD
View
Final sale: no returns
Retailer 5
-
€1,208 EUR
$1,350 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
€1,208 EUR
$1,350 USD
View
B
Retailer 7
-
€1,919 EUR
$2,144 USD
View
B
Retailer 8
-
€2,265 EUR
$2,530 USD
View
B
Retailer 9
-
€2,381 EUR
$2,660 USD
View
Most Expensive
B
MOH London
LG447001992 · Oct 27
€3,887 EUR
£3,419 GBP
View
9 more retailers have this diamond
Prices start from €761 EURSave up to €3,126 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 Oval
€761 EUR