CaratHunter
Plans
Oval|Lab Grown|IGI

1.71ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG442066497

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG442066497

Diamond specifications and retailer prices

From €761 EUR
$850 USD
As of October 31, 2026
Save €4,098 EUR (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,859 EUR at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442066497 or 442066497. Listed at 11 retailers as of October 31, 2026, with prices from €761 to €4,859, a €4,098 spread on the same certified stone. MOH London lists it at €4,859. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442066497
Dimensions9.45 × 6.79 × 4.22 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.45 mm6.79 mm1.71 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442066497
Side View
Table 57.0%Crown 34.3°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 62.2%

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: €4,859 EUR|Low: €761 EUR|High: €4,918 EUR|Avg: €2,414 EUR
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
November 1, 2026
Retailer 7€761 EUR
Retailer 6€1,466 EUR
Retailer 11€1,596 EUR
Retailer 12€1,642 EUR
Retailer 5€1,647 EUR
Retailer 8€1,702 EUR
Retailer 13€1,853 EUR
Retailer 3€2,285 EUR
Retailer 9€2,675 EUR
Retailer 2€2,933 EUR
Retailer 10€3,188 EUR
MOH London€4,859 EUR
Retailer 4€4,871 EUR

16 data points across 13 retailers

11 retailers€761 EUR to €4,859 EUR

A
Cheapest Retailer
-
€761 EUR
$850 USD
B+
Retailer 2
-
€1,466 EUR
$1,638 USD
View
B+
Retailer 3
-
€1,596 EUR
$1,783 USD
View
B+
Retailer 4
-
€1,642 EUR
$1,834 USD
View
Final sale: no returns
Retailer 5
-
€1,702 EUR
$1,901 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,702 EUR
$1,901 USD
View
B+
Retailer 7
-
€1,853 EUR
$2,070 USD
View
B
Retailer 8
-
€2,675 EUR
$2,988 USD
View
B
Retailer 9
-
€2,933 EUR
$3,277 USD
View
B
Retailer 10
-
€3,188 EUR
$3,562 USD
View
Most Expensive
B
MOH London
LG442066497 · Nov 1
€4,859 EUR
£4,274 GBP
View
10 more retailers have this diamond
Prices start from €761 EURSave up to €4,098 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