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Emerald|Lab Grown|IGI

1.00ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG605327129

Shape and cutting style on the report: Emerald cut

Certificate IGI LG605327129

Diamond specifications and retailer prices

From £110 GBP
$147 USD
As of October 29, 2026
Save £654 GBP (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £764 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605327129 or 605327129. Listed at 17 retailers as of October 29, 2026, with prices from £110 to £764, a £654 spread on the same certified stone. Reve Diamonds lists it at £764. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605327129
Dimensions7.09 × 4.64 × 3.11 mm
L/W Ratio1.53
Culet sizeLong
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
7.09 mm4.64 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605327129
Side View
Table 65.0%Crown 31.7°Girdle: MediumPavilion 41.6°Culet: LNGDepth 67.0%

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 29
Current: £235 GBP|Low: £105 GBP|High: £643 GBP|Avg: £264 GBP|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 10£110 GBP
Retailer 4£122 GBP
Retailer 9£127 GBP
Retailer 12£136 GBP
Retailer 2£193 GBP
Retailer 1£235 GBP
Retailer 6£241 GBP
Retailer 7£258 GBP
Retailer 5£273 GBP
Retailer 3£318 GBP
Retailer 11£437 GBP
Retailer 13£461 GBP
Retailer 8£636 GBP

43 data points across 13 retailers

17 retailers£110 GBP to £764 GBP

A
Cheapest Retailer
-
£110 GBP
$147 USD
A
Retailer 2
-
£122 GBP
$164 USD
View
Final sale: no returns
A
Retailer 3
-
£127 GBP
$170 USD
View
A
Retailer 4
-
£136 GBP
$182 USD
View
A
Retailer 5
-
£162 GBP
HK$1,700 HKD
View
B+
Retailer 6
-
£193 GBP
$258 USD
View
A
Retailer 7
-
£235 GBP
View
A
Retailer 8
-
£241 GBP
€308 EUR
View
A
Retailer 9
-
£258 GBP
View
B+
Retailer 10
-
£273 GBP
$365 USD
View
B+
Retailer 11
-
£318 GBP
$426 USD
View
B+
Retailer 12
-
£390 GBP
SGD 707 SGD
View
B
Retailer 13
-
£437 GBP
$585 USD
View
B
Retailer 14
-
£461 GBP
$618 USD
View
B
Retailer 15
-
£478 GBP
$641 USD
View
B
Retailer 16
-
£636 GBP
View
Most Expensive
B
Reve Diamonds
ACB973AB8 · Oct 30
£764 GBP
$1,024 USD
View
16 more retailers have this diamond
Prices start from £110 GBPSave up to £654 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
1.00ct Emerald
£110 GBP