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Emerald|Lab Grown|IGI

1.00ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG530295367

Shape and cutting style on the report: Emerald cut

Certificate IGI LG530295367

Diamond specifications and retailer prices

From £172 GBP
As of November 6, 2026
Save £790 GBP (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £962 GBP at Reve Diamonds · As of November 4, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530295367 or 530295367. Listed at 14 retailers as of November 4, 2026, with prices from £172 to £962, a £790 spread on the same certified stone. Reve Diamonds lists it at £962. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle16.7°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530295367
Dimensions7.15 × 4.81 × 3.05 mm
L/W Ratio1.49
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.15 mm4.81 mm1.00 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530295367
Side View
Table 59.5%Crown 16.7°Girdle: MediumPavilion 37.4°Culet: LNGDepth 63.4%

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: Nov 6
Current: £854 GBP|Low: £166 GBP|High: £1,186 GBP|Avg: £494 GBP|-1.3%
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
Retailer 14
Retailer 15
Reve Diamonds
November 5, 2026
Retailer 9£172 GBP
Retailer 5£179 GBP
Retailer 4£192 GBP
Retailer 15£200 GBP
Retailer 11£213 GBP
Retailer 14£213 GBP
Retailer 12£361 GBP
Retailer 10£379 GBP
Retailer 2£386 GBP
Retailer 7£557 GBP
Retailer 13£687 GBP
Retailer 8£689 GBP
Retailer 3£725 GBP
Retailer 1£854 GBP
Reve Diamonds£962 GBP
Retailer 6£1,186 GBP

17 data points across 16 retailers

14 retailers£172 GBP to £962 GBP

A
Cheapest Retailer
-
£172 GBP
A
Retailer 2
-
£192 GBP
View
Final sale: no returns
A
Retailer 3
-
£200 GBP
View
A
Retailer 4
-
£213 GBP
View
Retailer 5
-
£213 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£361 GBP
View
A
Retailer 7
-
£361 GBP
View
A
Retailer 8
-
£379 GBP
View
A
Retailer 9
-
£386 GBP
View
B+
Retailer 10
-
£687 GBP
View
B+
Retailer 11
-
£689 GBP
View
B+
Retailer 12
-
£725 GBP
View
B+
Retailer 13
-
£854 GBP
View
Most Expensive
B
Reve Diamonds
9FE617B23 · Nov 4
£962 GBP
$1,295 USD
View
13 more retailers have this diamond
Prices start from £172 GBPSave up to £790 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
£172 GBP