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Emerald|Lab Grown|IGI

1.02ct D SI1 Emerald Lab Grown Diamond

EX • D/SI1 • IGI LG571388136

Shape and cutting style on the report: Emerald cut

Certificate IGI LG571388136

Diamond specifications and retailer prices

From £113 GBP
$151 USD
As of October 30, 2026
Save £665 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £779 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.02ct lab-grown emerald diamond

This 1.02ct 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 LG571388136 or 571388136. Listed at 15 retailers as of October 30, 2026, with prices from £113 to £779, a £665 spread on the same certified stone. Reve Diamonds lists it at £779. 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571388136
Dimensions6.76 × 4.87 × 3.24 mm
L/W Ratio1.39
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
6.76 mm4.87 mm1.02 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571388136
Side View
Table 64.5%Crown 32.9°Girdle: MediumPavilion 37.9°Culet: LNGDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £127 GBP|Low: £89 GBP|High: £779 GBP|Avg: £342 GBP|+43.2%
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
Reve Diamonds
October 30, 2026
Retailer 3£113 GBP
Retailer 1£127 GBP
Retailer 10£131 GBP
Retailer 5£140 GBP
Retailer 14£140 GBP
Retailer 7£244 GBP
Retailer 8£256 GBP
Retailer 12£258 GBP
Retailer 11£324 GBP
Retailer 13£378 GBP
Retailer 2£452 GBP
Retailer 4£493 GBP
Retailer 6£586 GBP
Retailer 9£658 GBP
Reve Diamonds£779 GBP

46 data points across 15 retailers

15 retailers£113 GBP to £779 GBP

A
Cheapest Retailer
-
£113 GBP
$151 USD
A
Retailer 2
-
£127 GBP
$169 USD
View
Final sale: no returns
A
Retailer 3
-
£131 GBP
$175 USD
View
A
Retailer 4
-
£140 GBP
$187 USD
View
A
Retailer 5
-
£140 GBP
$187 USD
View
A
Retailer 6
-
£244 GBP
View
A
Retailer 7
-
£256 GBP
€325 EUR
View
B+
Retailer 8
-
£258 GBP
$344 USD
View
B+
Retailer 9
-
£324 GBP
$431 USD
View
B
Retailer 10
-
£378 GBP
$504 USD
View
B
Retailer 11
-
£452 GBP
$602 USD
View
B
Retailer 12
-
£493 GBP
$657 USD
View
B
Retailer 13
-
£586 GBP
$780 USD
View
B
Retailer 14
-
£658 GBP
View
Most Expensive
B
Reve Diamonds
2BA004528 · Oct 30
£779 GBP
$1,037 USD
View
14 more retailers have this diamond
Prices start from £113 GBPSave up to £665 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
1.02ct Emerald
£113 GBP