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Emerald|Lab Grown|IGI

1.09ct D SI2 Emerald Lab Grown Diamond

VG • D/SI2 • IGI LG688508387

Shape and cutting style on the report: Emerald cut

Certificate IGI LG688508387

Diamond specifications and retailer prices

From £155 GBP
$207 USD
As of October 30, 2026
Save £1,144 GBP (88%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,299 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown emerald diamond

This 1.09ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG688508387 or 688508387. Listed at 8 retailers as of October 29, 2026, with prices from £155 to £1,299, a £1,144 spread on the same certified stone. Do Amore Diamonds lists it at £1,299. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.09
Carat
D
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688508387
Dimensions6.99 × 4.69 × 3.21 mm
L/W Ratio1.49
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
6.99 mm4.69 mm1.09 ctD / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688508387
Side View
Table 74.0%Crown 36.8°Girdle: THK-VTKPavilion 42.1°Culet: LargeDepth 68.4%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £1,299 GBP|Low: £149 GBP|High: £1,299 GBP|Avg: £490 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 18, 2026
Retailer 5£155 GBP
Retailer 8£180 GBP
Retailer 11£193 GBP
Retailer 6£333 GBP
Retailer 9£372 GBP
Retailer 10£400 GBP
Retailer 3£409 GBP
Retailer 4£623 GBP
Retailer 7£685 GBP
Retailer 2£858 GBP
Do Amore Diamonds£1,299 GBP

11 data points across 11 retailers

8 retailers£155 GBP to £1,299 GBP

A
Cheapest Retailer
-
£155 GBP
$207 USD
B+
Retailer 2
-
£180 GBP
$240 USD
View
B+
Retailer 3
-
£333 GBP
$444 USD
View
B
Retailer 4
-
£372 GBP
$496 USD
View
B
Retailer 5
-
£623 GBP
$829 USD
View
B
Retailer 6
-
£685 GBP
$912 USD
View
Retailer 7
-
£858 GBP
View
Price last confirmed 11 days ago
Most Expensive
C
Do Amore Diamonds
7-1685733 · Oct 29
£1,299 GBP
$1,730 USD
View
7 more retailers have this diamond
Prices start from £155 GBPSave up to £1,144 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
1.09ct Emerald
£155 GBP