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Emerald|Lab Grown|IGI

1.73ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG843604944

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843604944

Diamond specifications and retailer prices

From £410 GBP
$550 USD
As of October 29, 2026
Save £2,351 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,761 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.73ct lab-grown emerald diamond

This 1.73ct 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 LG843604944 or 843604944. Listed at 11 retailers as of October 29, 2026, with prices from £410 to £2,761, a £2,351 spread on the same certified stone. Brilliant Earth lists it at £2,761. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843604944
Dimensions8.06 × 5.75 × 3.69 mm
L/W Ratio1.40
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
8.06 mm5.75 mm1.73 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843604944
Side View
Table 65.0%Crown 34.7°Girdle: MediumPavilion 35.4°Culet: LargeDepth 64.2%

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 29
Current: £2,761 GBP|Low: £369 GBP|High: £3,060 GBP|Avg: £1,170 GBP|-9.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6£410 GBP
Retailer 9£437 GBP
Retailer 2£487 GBP
Retailer 11£676 GBP
Retailer 4£684 GBP
Retailer 10£763 GBP
Retailer 8£816 GBP
Retailer 3£1,113 GBP
Retailer 7£1,903 GBP
Retailer 5£2,280 GBP
Brilliant Earth£2,761 GBP

11 data points across 11 retailers

11 retailers£410 GBP to £2,761 GBP

A
Cheapest Retailer
-
£410 GBP
$550 USD
A
Retailer 2
-
£437 GBP
$586 USD
View
A
Retailer 3
-
£487 GBP
€622 EUR
View
A
Retailer 4
-
£676 GBP
$906 USD
View
A
Retailer 5
-
£684 GBP
A$1,410 AUD
View
A
Retailer 6
-
£763 GBP
$1,022 USD
View
B+
Retailer 7
-
£816 GBP
$1,094 USD
View
Retailer 8
-
£1,113 GBP
View
Price last confirmed 11 days ago
B
Retailer 9
-
£1,903 GBP
$2,550 USD
View
B
Retailer 10
-
£2,280 GBP
$3,055 USD
View
Most Expensive
B
Brilliant Earth
22166034Y · Oct 30
£2,761 GBP
$3,700 USD
View
10 more retailers have this diamond
Prices start from £410 GBPSave up to £2,351 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
1.73ct Emerald
£410 GBP