CaratHunter
Plans
Emerald|Lab Grown|IGI

1.71ct D SI2 Emerald Lab Grown Diamond

ID • D/SI2 • IGI LG517213703

Shape and cutting style on the report: Emerald cut

Certificate IGI LG517213703

Diamond specifications and retailer prices

From €179 EUR
As of November 6, 2026
Save €1,015 EUR (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,194 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.71ct lab-grown emerald diamond

This 1.71ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517213703 or 517213703. Listed at 14 retailers as of November 4, 2026, with prices from €179 to €1,194, a €1,015 spread on the same certified stone. Brilliant Earth lists it at €1,194. 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
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517213703
Dimensions7.87 × 5.57 × 3.98 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.87 mm5.57 mm1.71 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517213703
Side View
Table 61.5%Crown 29°Girdle: MediumPavilion 42.4°Culet: LNGDepth 71.5%

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: Nov 6
Current: €1,194 EUR|Low: €179 EUR|High: €1,702 EUR|Avg: €524 EUR|-29.8%
Brilliant Earth
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 6, 2026
Retailer 4€179 EUR
Retailer 3€200 EUR
Retailer 13€208 EUR
Retailer 9€222 EUR
Retailer 5€265 EUR
Retailer 12€301 EUR
Retailer 2€403 EUR
Retailer 10€458 EUR
Retailer 8€478 EUR
Retailer 7€577 EUR
Retailer 11€714 EUR
Retailer 6€1,035 EUR
Brilliant Earth€1,194 EUR

46 data points across 13 retailers

14 retailers€179 EUR to €1,194 EUR

A
Cheapest Retailer
-
€179 EUR
A
Retailer 2
-
€200 EUR
View
Final sale: no returns
A
Retailer 3
-
€208 EUR
View
A
Retailer 4
-
€222 EUR
View
Retailer 5
-
€265 EUR
View
Price last confirmed 12 days ago
B+
Retailer 6
-
€301 EUR
View
A
Retailer 7
-
€403 EUR
View
B+
Retailer 8
-
€458 EUR
View
Retailer 9
-
€478 EUR
View
Price last confirmed 8 days ago
B+
Retailer 10
-
€577 EUR
View
B+
Retailer 11
-
€714 EUR
View
Retailer 12
-
€956 EUR
View
Price last confirmed 81 days ago
B
Retailer 13
-
€1,035 EUR
View
Most Expensive
B
Brilliant Earth
11260547A · Nov 4
€1,194 EUR
$1,340 USD
View
13 more retailers have this diamond
Prices start from €179 EURSave up to €1,015 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 Emerald
€179 EUR