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Emerald|Lab Grown|IGI

1.70ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG496117892

Shape and cutting style on the report: Emerald cut

Certificate IGI LG496117892

Diamond specifications and retailer prices

From £146 GBP
$195 USD
As of October 27, 2026
Save £1,258 GBP (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,404 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496117892 or 496117892. Listed at 8 retailers as of October 27, 2026, with prices from £146 to £1,404, a £1,258 spread on the same certified stone. Do Amore Diamonds lists it at £1,404. 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

1.70
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle21.5°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496117892
Dimensions8.03 × 5.68 × 3.80 mm
L/W Ratio1.41
Culet sizeLarge
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
8.03 mm5.68 mm1.70 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496117892
Side View
Table 59.5%Crown 21.5°Girdle: MED-STKPavilion 41.9°Culet: LargeDepth 66.9%

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: £1,404 GBP|Low: £113 GBP|High: £1,427 GBP|Avg: £593 GBP|-1.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 25, 2026
Retailer 11£146 GBP
Retailer 13£166 GBP
Retailer 10£170 GBP
Retailer 9£317 GBP
Retailer 4£327 GBP
Retailer 3£410 GBP
Retailer 7£512 GBP
Retailer 8£586 GBP
Retailer 15£590 GBP
Retailer 12£644 GBP
Retailer 14£721 GBP
Retailer 2£805 GBP
Retailer 6£944 GBP
Retailer 5£1,179 GBP
Do Amore Diamonds£1,404 GBP

15 data points across 15 retailers

8 retailers£146 GBP to £1,404 GBP

A
Cheapest Retailer
-
£146 GBP
$195 USD
A
Retailer 2
-
£166 GBP
$221 USD
View
Final sale: no returns
A
Retailer 3
-
£170 GBP
$226 USD
View
B+
Retailer 4
-
£317 GBP
$422 USD
View
B+
Retailer 5
-
£586 GBP
$780 USD
View
B+
Retailer 6
-
£644 GBP
$858 USD
View
B
Retailer 7
-
£805 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5389791C0 · Oct 27
£1,404 GBP
$1,870 USD
View
7 more retailers have this diamond
Prices start from £146 GBPSave up to £1,258 GBP

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
£146 GBP