CaratHunter
Plans
Emerald|Lab Grown|IGI

1.04ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG578313216

Shape and cutting style on the report: Emerald cut

Certificate IGI LG578313216

Diamond specifications and retailer prices

From £114 GBP
$152 USD
As of October 30, 2026
Save £550 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £664 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.04ct lab-grown emerald diamond

This 1.04ct 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 LG578313216 or 578313216. Listed at 16 retailers as of October 29, 2026, with prices from £114 to £664, a £550 spread on the same certified stone. MOH London lists it at £664. 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

1.04
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578313216
Dimensions6.90 × 4.79 × 3.21 mm
L/W Ratio1.44
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
6.90 mm4.79 mm1.04 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578313216
Side View
Table 63.0%Crown 35.1°Girdle: MediumPavilion 37.7°Culet: LNGDepth 67.0%

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: £664 GBP|Low: £90 GBP|High: £668 GBP|Avg: £308 GBP|+0.4%
MOH London
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
October 30, 2026
Retailer 9£114 GBP
Retailer 4£128 GBP
Retailer 8£132 GBP
Retailer 12£141 GBP
Retailer 14£199 GBP
Retailer 2£245 GBP
Retailer 7£250 GBP
Retailer 6£285 GBP
Retailer 5£325 GBP
Retailer 11£368 GBP
Retailer 10£454 GBP
Retailer 13£479 GBP
Retailer 3£608 GBP
MOH London£664 GBP

44 data points across 14 retailers

16 retailers£114 GBP to £664 GBP

A
Cheapest Retailer
-
£114 GBP
$152 USD
A
Retailer 2
-
£128 GBP
$170 USD
View
Final sale: no returns
A
Retailer 3
-
£132 GBP
$176 USD
View
A
Retailer 4
-
£141 GBP
$188 USD
View
A
Retailer 5
-
£163 GBP
HK$1,700 HKD
View
B+
Retailer 6
-
£199 GBP
$265 USD
View
A
Retailer 7
-
£245 GBP
View
A
Retailer 8
-
£250 GBP
€317 EUR
View
B+
Retailer 9
-
£285 GBP
$380 USD
View
B+
Retailer 10
-
£325 GBP
$433 USD
View
B+
Retailer 11
-
£368 GBP
$490 USD
View
B+
Retailer 12
-
£404 GBP
SGD 727 SGD
View
B
Retailer 13
-
£454 GBP
$604 USD
View
B
Retailer 14
-
£479 GBP
$638 USD
View
Retailer 15
-
£608 GBP
$810 USD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
LG578313216 · Oct 29
£664 GBP
View
15 more retailers have this diamond
Prices start from £114 GBPSave up to £550 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
1.04ct Emerald
£114 GBP