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Emerald|Lab Grown|IGI

1.71ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG797643174

Shape and cutting style on the report: Emerald cut

Certificate IGI LG797643174

Diamond specifications and retailer prices

From $609 USD
As of October 27, 2026
Save $3,931 USD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,540 USD at Brilliant Earth · As of October 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797643174 or 797643174. Listed at 21 retailers as of October 27, 2026, with prices from $609 to $4,540, a $3,931 spread on the same certified stone. Brilliant Earth lists it at $4,540. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797643174
Dimensions8.76 × 5.47 × 3.60 mm
L/W Ratio1.60
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.76 mm5.47 mm1.71 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797643174
Side View
Table 61.0%Crown 33.9°Girdle: MediumPavilion 40.1°Culet: LargeDepth 65.8%

Caratlytics Score

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

Price History

Last verified: Oct 27
Current: $4,540 USD|Low: $609 USD|High: $4,790 USD|Avg: $1,815 USD|-5.2%
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
Retailer 14
October 28, 2026
Retailer 9$609 USD
Retailer 12$815 USD
Retailer 6$905 USD
Retailer 8$1,026 USD
Retailer 7$1,045 USD
Retailer 2$1,160 USD
Retailer 3$1,518 USD
Retailer 11$1,581 USD
Retailer 4$1,766 USD
Retailer 5$1,966 USD
Retailer 14$2,173 USD
Retailer 10$2,821 USD
Retailer 13$3,355 USD
Brilliant Earth$4,540 USD

39 data points across 14 retailers

21 retailers$609 USD to $4,540 USD

A
Retailer 1
-
$522 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$609 USD
View
Final sale: no returns
A
Retailer 3
-
$610 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$675 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$815 USD
View
A
Retailer 6
-
$905 USD
View
A
Retailer 7
-
$1,026 USD
€977 EUR
View
A
Retailer 8
-
$1,045 USD
£823 GBP
View
A
Retailer 9
-
$1,160 USD
ZAR 18,737 ZAR
View
B+
Retailer 10
-
$1,344 USD
View
B+
Retailer 11
-
$1,518 USD
View
B+
Retailer 12
-
$1,581 USD
A$2,432 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,766 USD
A$2,717 AUD
View
Price last confirmed 24 days ago
B+
Retailer 14
-
$1,775 USD
View
Price last confirmed 21 days ago
B
Retailer 15
-
$1,966 USD
£1,548 GBP
View
Price last confirmed 19 days ago
B+
Retailer 16
-
$2,173 USD
View
B
Retailer 17
-
$2,190 USD
View
B
Retailer 18
-
$2,292 USD
View
B
Retailer 19
-
$2,821 USD
£2,221 GBP
View
B
Retailer 20
-
$3,355 USD
View
Most Expensive
B
Brilliant Earth
21495782A · Oct 28
$4,540 USD
View
20 more retailers have this diamond
Prices start from $609 USDSave up to $3,931 USD

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
$609 USD