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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 £243 GBP
$323 USD
As of October 30, 2026
Save £2,799 GBP (92%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,041 GBP at Brilliant Earth · As of October 29, 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 29, 2026, with prices from £243 to £3,041, a £2,799 spread on the same certified stone. Brilliant Earth lists it at £3,041. 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

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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 30
Current: £3,041 GBP|Low: £233 GBP|High: £3,252 GBP|Avg: £890 GBP|-6.5%
Brilliant Earth
Retailer 2
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Retailer 22
October 30, 2026
Retailer 4£243 GBP
Retailer 15£271 GBP
Retailer 9£282 GBP
Retailer 5£301 GBP
Retailer 14£301 GBP
Retailer 3£406 GBP
Retailer 19£417 GBP
Retailer 13£483 GBP
Retailer 12£500 GBP
Retailer 18£517 GBP
Retailer 2£537 GBP
Retailer 16£701 GBP
Retailer 22£723 GBP
Retailer 10£943 GBP
Retailer 6£967 GBP
Retailer 11£1,001 GBP
Retailer 8£1,156 GBP
Retailer 21£1,167 GBP
Retailer 7£1,191 GBP
Retailer 20£1,207 GBP
Retailer 17£2,441 GBP
Brilliant Earth£3,041 GBP

36 data points across 22 retailers

23 retailers£243 GBP to £3,041 GBP

A
Cheapest Retailer
-
£243 GBP
$323 USD
A
Retailer 2
-
£271 GBP
$361 USD
View
Final sale: no returns
A
Retailer 3
-
£282 GBP
$375 USD
View
A
Retailer 4
-
£301 GBP
$401 USD
View
A
Retailer 5
-
£301 GBP
$401 USD
View
A
Retailer 6
-
£406 GBP
$540 USD
View
A
Retailer 7
-
£417 GBP
$555 USD
View
A
Retailer 8
-
£483 GBP
€613 EUR
View
A
Retailer 9
-
£500 GBP
$666 USD
View
A
Retailer 10
-
£517 GBP
ZAR 11,123 ZAR
View
A
Retailer 11
-
£537 GBP
View
A
Retailer 12
-
£701 GBP
A$1,437 AUD
View
A
Retailer 13
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£723 GBP
$963 USD
View
B+
Retailer 14
-
£943 GBP
$1,256 USD
View
B+
Retailer 15
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£967 GBP
$1,288 USD
View
B+
Retailer 16
-
£1,001 GBP
$1,333 USD
View
B+
Retailer 17
-
£1,156 GBP
$1,540 USD
View
B+
Retailer 18
-
£1,167 GBP
View
B+
Retailer 19
-
£1,191 GBP
$1,587 USD
View
B+
Retailer 20
-
£1,207 GBP
View
Retailer 21
-
£2,429 GBP
$3,235 USD
View
Price last confirmed 11 days ago
B
Retailer 22
-
£2,441 GBP
$3,250 USD
View
Most Expensive
B
Brilliant Earth
18206701A · Oct 29
£3,041 GBP
$4,050 USD
View
22 more retailers have this diamond
Prices start from £243 GBPSave up to £2,799 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
£243 GBP