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Emerald|Lab Grown|IGI

1.70ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG687549651

Shape and cutting style on the report: Emerald cut

Certificate IGI LG687549651

Diamond specifications and retailer prices

From €290 EUR
$323 USD
As of October 27, 2026
Save €3,348 EUR (92%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €3,638 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.7ct lab-grown emerald diamond

This 1.7ct 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 LG687549651 or 687549651. Listed at 23 retailers as of October 27, 2026, with prices from €290 to €3,638, a €3,348 spread on the same certified stone. Brilliant Earth lists it at €3,638. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle45°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687549651
Dimensions7.85 × 5.55 × 3.76 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.85 mm5.55 mm1.70 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687549651
Side View
Table 66.0%Crown 39.2°Girdle: MediumPavilion 45°Culet: LargeDepth 67.7%

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: €3,638 EUR|Low: €278 EUR|High: €3,889 EUR|Avg: €1,061 EUR|-6.5%
Brilliant Earth
Retailer 2
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Retailer 22
October 29, 2026
Retailer 4€290 EUR
Retailer 15€324 EUR
Retailer 9€337 EUR
Retailer 5€360 EUR
Retailer 14€360 EUR
Retailer 3€485 EUR
Retailer 19€499 EUR
Retailer 2€578 EUR
Retailer 12€598 EUR
Retailer 17€618 EUR
Retailer 18€639 EUR
Retailer 13€839 EUR
Retailer 22€865 EUR
Retailer 10€1,128 EUR
Retailer 6€1,157 EUR
Retailer 11€1,197 EUR
Retailer 8€1,383 EUR
Retailer 21€1,396 EUR
Retailer 7€1,425 EUR
Retailer 20€1,444 EUR
Retailer 16€2,919 EUR
Brilliant Earth€3,638 EUR

35 data points across 22 retailers

23 retailers€290 EUR to €3,638 EUR

A
Cheapest Retailer
-
€290 EUR
$323 USD
A
Retailer 2
-
€324 EUR
$361 USD
View
Final sale: no returns
A
Retailer 3
-
€337 EUR
$375 USD
View
A
Retailer 4
-
€360 EUR
$401 USD
View
A
Retailer 5
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€360 EUR
$401 USD
View
A
Retailer 6
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€485 EUR
$540 USD
View
A
Retailer 7
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€499 EUR
$555 USD
View
A
Retailer 8
-
€578 EUR
View
A
Retailer 9
-
€598 EUR
$666 USD
View
A
Retailer 10
-
€618 EUR
ZAR 11,123 ZAR
View
A
Retailer 11
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€639 EUR
£560 GBP
View
A
Retailer 12
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€839 EUR
A$1,437 AUD
View
A
Retailer 13
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€865 EUR
$963 USD
View
B+
Retailer 14
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€1,128 EUR
$1,256 USD
View
B+
Retailer 15
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€1,157 EUR
$1,288 USD
View
B+
Retailer 16
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€1,197 EUR
$1,333 USD
View
B+
Retailer 17
-
€1,383 EUR
$1,540 USD
View
B+
Retailer 18
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€1,396 EUR
£1,224 GBP
View
B+
Retailer 19
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€1,425 EUR
$1,587 USD
View
B+
Retailer 20
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€1,444 EUR
£1,266 GBP
View
B
Retailer 21
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€2,906 EUR
$3,235 USD
View
Price last confirmed 10 days ago
B
Retailer 22
-
€2,919 EUR
$3,250 USD
View
Most Expensive
B
Brilliant Earth
18206701A · Oct 28
€3,638 EUR
$4,050 USD
View
22 more retailers have this diamond
Prices start from €290 EURSave up to €3,348 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
1.70ct Emerald
€290 EUR