Emerald|Lab Grown|IGI

1.60ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG499115806

Shape and cutting style on the report: Emerald cut

Certificate IGI LG499115806

Diamond specifications and retailer prices

From £836 GBP
$1,120 USD
As of October 30, 2026
Save £1,621 GBP (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,671 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.6ct lab-grown emerald diamond

This 1.6ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499115806 or 499115806. Listed at 12 retailers as of October 30, 2026, with a 194% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.60
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle21.8°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499115806
Dimensions8.35 × 5.47 × 3.56 mm
L/W Ratio1.53
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
8.35 mm5.47 mm1.60 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG499115806
Side View
Table 68.0%Crown 21.8°Girdle: MediumPavilion 36.4°Culet: LNGDepth 65.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,671 GBP|Low: £836 GBP|High: £4,124 GBP|Avg: £1,891 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2£836 GBP
Retailer 8£1,228 GBP
Retailer 12£1,337 GBP
Retailer 3£1,375 GBP
Retailer 9£1,425 GBP
Retailer 11£1,425 GBP
Retailer 4£1,552 GBP
Retailer 5£2,019 GBP
Retailer 10£2,240 GBP
Retailer 7£2,457 GBP
NZ Jewellers£2,671 GBP
Retailer 6£4,092 GBP

43 data points across 12 retailers

12 retailers£836 GBP to £2,457 GBP

B+
Cheapest Retailer
-
£836 GBP
$1,120 USD
B
Retailer 2
-
£1,228 GBP
$1,646 USD
View
B
Retailer 3
-
£1,337 GBP
$1,791 USD
View
B
Retailer 4
-
£1,375 GBP
$1,842 USD
View
Final sale: no returns
B
Retailer 5
-
£1,425 GBP
$1,909 USD
View
Retailer 6
-
£1,425 GBP
$1,909 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£1,552 GBP
$2,080 USD
View
B
Retailer 8
-
£2,019 GBP
View
B
Retailer 9
-
£2,240 GBP
$3,002 USD
View
B
Retailer 10
-
£2,457 GBP
$3,292 USD
View
Most Expensive
NZ Jewellers
23fd122a-6f7e-4389-994f-7dfea7c13ab9 · Oct 28
£2,671 GBP
$3,579 USD
View
Price under review
10 more retailers have this diamond
Prices start from £836 GBPSave up to £1,621 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.

B+
1.60ct Emerald
£836 GBP